HDTenEightyP/NetNews huggingface dataset:
From: hotrod@dixie.com (The Hotrod List)
Subject: Re: tri-y headers
Date: Sun, 13 Dec 92 06:10:57 GMT
Organization: Dixie Communications Public Access.  The Mouth of the South.
To: hotrod@dixie.com
Reply-To: hotrod@dixie.com
Posted-Date: Sunday, Dec 13 01:10:54
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-> One of the reasons that the Doug Thorley headers cost more is that
-> they are built out of heavier materials which will last much longer
-> and require a lot less maintenance than most brands.  I gave up on
-> Hooker et al when I found out that the Doug Thorleys have a 3/8 inch
-> flange as opposed to the 1/4 or 5/16 flange that most of them use.

 That doesn't justify double price, though.  The material price
difference between a 1/4-inch, 20 ga header and a 3/8-inch, 16 ga header
are probably in the order or two or three dollars.  The thicker tubing
would be substantially *easier* to weld, which ought to offset that
nicely.
                                                               

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Posted by: emory!chaos.lrk.ar.us!dave.williams (Dave Williams)
Newsgroups: alt.hotrod,wiz.hotrod
From: hotrod@dixie.com (The Hotrod List)
Subject: Re:  crossover pipe
Date: Wed, 16 Dec 92 19:02:27 GMT
Organization: Dixie Communications Public Access.  The Mouth of the South.
To: hotrod@dixie.com
Reply-To: hotrod@dixie.com
Posted-Date: Wednesday, Dec 16 14:02:20
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 I think the reason crossovers are used is that on a V-8 the usual firing
order does not go L-R-L-R-L-R-L-R (bank) and the exhaust pulses are not evenly
spaced for either side. If you listen to one side of a dual-exhaust V-8
it says "lump-lump, lump-lump". The crossover helps equalize pressure by
letting a pressure peak on one side bleed over into the "valley" on the other
side.

 On some V-6s (like the early ("odd-fire") Buick), the banks do have an even
firing order within the bank (although as a whole the sequence is uneven).
The odd-fire Buick will run smoothly (though not powerfully) with one bank
of plug wires off. If each bank has an even exhaust pulse train, adding a
crossover will disrupt the flow instead of helping things.

 I expect that to find the pressure minimum, you would look for the second
pressure maximum and then use the midpoint. All of this dependson your RPM 
of interest; the points should "pack up" as you move up the range, so I
figure you should maybe pull short a little bit; you might pick up a flat
spot if your chosen "minimum" tap turns into a maximum.

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Posted by: emory!mlb.semi.harris.com!jws (James W. Swonger)
From: hotrod@dixie.com (The Hotrod List)
Newsgroups: alt.hotrod,wiz.hotrod
Subject: Re:Early Nova V-8's
Date: 11 Dec 92 17:30:04 GMT
Reply-To: hotrod@dixie.com
Organization: Dixie Communications Public Access.  The Mouth of the South.
To: hotrod@dixie.com
Posted-Date: Friday, Dec 11 12:30:00
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>
>Are there any other Nova (Chevy II) nuts out there? 
>The question I have is about the oil pump/pan combo unique to Chevy II's.
>(V-8's). For V-8's, the sump is in the front, pump has a long pickup tube.
>I saw an aftermarket set from Moroso in the Summit catalog that appears to be
>a standard rear sump design. Is this true? Summit guy didn't know.
>

There are two oil pans available from moroso for the chevyII-- both are rear
sump pans.

	Moroso Part No. 20210		20211
	Depth:		10 3/4" rear	9" rear
			stock front	stock front
	Oil capacity:	7 Qts.		6 Qts.
	Baffle:		23000		23000
	pickup:(street) 24100		24120

* note: pickup is for a stock chevy pump (not a chevyII pump). You were correct
in using the 327 pump...

>The reason for my concern is that I had to ground a big channel in the stock
>(made for a 327) pump to get the #8 rod of the 400 to clear. I'm not sure how
>much more material is left under the channel. I also don't like all of the oil
>being at the front of the pan when I hit the loud pedal (afraid the intake of
>the pump will become dry). 
>
>Thanks to anyone who can tell me about the Moroso pan/pump for early Novas.
>(Oh forgot....it's a '67 with a '73 or '74 400 SB)
>
I like the choice of motors! long live the s.b. '400!! 
>
>My Nova used to be a six-banger, Powerglide. Now it's a 400, Muncie M-21, and a
>10 bolt 3:73 posi from a Monte Carlo SS. Used to be Nantucket Blue, white top,
>and blue, bench seat interior. Now 1990 Lumina Torch Red, with black bucket
>seat interior. 2 door hardtop (Sport Coupe) with 72,000 miles. Lotsa fun.....
>

>Anybody have a decent tunnel ram/carbs/linkage for SB Chevy they want to get 
>rid of? Also looking for a set of Cragar Street Star wheels.
>
>Speaking of wheels, does anybody know how to figure out the largest wheel/tire
>I can use?
>
I can't remember what fits, exactly. I know you can squeeze a 60 series low
profile tire in the back. It can't be too wide or tall though. I'll consult
by freind with the same set-up to find out what fits...

-dan a.
dhoward@stratus.com

----------
Posted by: Dan Howard <emory!cam2.sw.stratus.com!dhoward>
Newsgroups: alt.hotrod,wiz.hotrod
From: hotrod@dixie.com (The Hotrod List)
Subject: Re: Oxygenated fuel.
Date: Fri, 18 Dec 92 06:47:33 GMT
Organization: Dixie Communications Public Access.  The Mouth of the South.
To: hotrod@dixie.com
Reply-To: hotrod@dixie.com
Posted-Date: Friday, Dec 18 01:47:15
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John writes:
[All oxygenated fuels do is lean the mixture a bit carrying some of
the needed oxygen from combustion in the fuel molecule.  Typical
ingredients are alcohol - remember that alcohols have an OH in the
molecule - and methyl tetrabutyl ether (MTBE).  Mileage is lowered 
because you are in effect, paying for part of the engine's air when
you buy a gallon of oxygenated fuel.  Poor running is the result of 
leanness.  Closed loop systems should handle it.  Open loop FI
and carbs need tweaking.  JGD]

The second time that I bought gas after the oxygenated fuels
became mandatory I found that my idle went to pot.  This isn't
too surprising because I keep my idle mixture just a tad on the
rich side of stoich and any increased leanness would put it too
lean.  I just got out the oxy sensor and readjusted the idle;
no problems since.

I haven't noticed any performance problems but this is on an
old engine with no electronic controls and a Holley carb.
My HC reading was 19 PPM the last time it was checked; I wonder
what it is with the new fuel.

I have heard third-hand stories (rumor alert!) that some people
have found that their gas is turning black due to the alcohol
dissolving some parts of the fuel system.  Has anyone here
heard of this?

Bob Hale                                      ...!ucsd!btree!hale
...!btree!hale@ucsd.edu                       ...!ucsd!btree!hale@uunet.uu.net


----------
Posted by: emory!ucsd.edu!btree!hale (Bob Hale)
Newsgroups: alt.hotrod,wiz.hotrod
From: hotrod@dixie.com (The Hotrod List)
Subject: Drag racer built on a truck frame?
Date: Thu, 17 Dec 92 03:31:23 GMT
Organization: Dixie Communications Public Access.  The Mouth of the South.
To: hotrod@dixie.com
Reply-To: hotrod@dixie.com
Posted-Date: Wednesday, Dec 16 22:31:06
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-> What are the possibilities of using an older truck frame (74' Ford
-> F100) as a foundation for a drag strip vehicle or general street rod
-> vehicle. Say something with a fiberglass body found on "kit" cars.

 It could be done, but it would be a lot of work.  The chassis would
have to be shortened - that's easy.  Then it'd have to be lowered -
easy enough to Z the chassis in back while you shorten it, but the front
might require either Z'ing or new spindles, or both.  Then it'd likely
have to be narrowed, which involves cutting and rewelding all the
crossmembers, the tierod, and the rear end housing and axles.

 I think you'd be better off finding a chassis the 429 will fit into.
For the amount of work you're talking about, you could probably subframe
and firewall practically anything and still break even.

 How about a Fox body car?  That'd be a Fairmont, Mustang III, later
Lincoln or Thunderbird, Capri III, etc.  It requires a rear-sump oil pan
and either headers or mix'n'match truck and car exhaust manifolds, but
it'd terrorize the goobers who think a "5.0" is a monster motor.

 I've also heard of at least one 460 in a '71 Chevelle.  There's plenty
of room in the Chevy engine compartment.  You'd need the rear sump pan,
and possibly a dimple in the front crossmember depending on clearance.
The 429/460 weighs 640 pounds, the 396 Chevy 685, a 350 Chevy 575.
                                                                    

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Posted by: emory!chaos.lrk.ar.us!dave.williams (Dave Williams)
Newsgroups: alt.hotrod,wiz.hotrod
From: hotrod@dixie.com (The Hotrod List)
Subject: Re:  Crossover pipe install
Date: Wed, 16 Dec 92 08:19:50 GMT
Organization: Dixie Communications Public Access.  The Mouth of the South.
To: hotrod@dixie.com
Reply-To: hotrod@dixie.com
Posted-Date: Wednesday, Dec 16 03:19:20
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> Date: Mon, 14 Dec 92 21:52 EST
> Subject: Re:  Crossover pipe install
> From: emory!mlb.semi.harris.com!jws (James W. Swonger)
> To: hotrod@dixie.com
> 
>  I have seen pictures of X-pipe crossovers which (at least intuitively)
> look like a better arrangement flow-wise. The leading ends of the X go
> at the first pressure maximum and the tails ideally ought to go to the
> next minimum on the opposite side. The exhaust doesn't have to make a 
> right angle turn - more like 45.

You can locate the first pressure maximum by finding the "hot spot,"
where paint is discolored, but how do you locate a pressure minimum?  I
suppose you could run a small sensor up the tailpipe, but is there an
easier way?  Can you treat the high-pressure points as nodes of a
standing wave?  Or is this just the sort of thing you experiment with
and figure out empirically?
____________________________________________________________________________
Daniel A. Harling                        (harling@pictel.com)
PictureTel Corp.             Opinions expressed are not necessarily those of
Peabody, MA  01960                   PictureTel Corp. (so there!)

----------
Posted by: emory!roadrunner.pictel.com!harling (Dan Harling)
Newsgroups: alt.hotrod,wiz.hotrod
From: hotrod@dixie.com (The Hotrod List)
Subject: re>Scan Tool Chips
Date: Wed, 16 Dec 92 23:50:43 GMT
Organization: Dixie Communications Public Access.  The Mouth of the South.
To: hotrod@dixie.com
Reply-To: hotrod@dixie.com
Posted-Date: Wednesday, Dec 16 18:50:37
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                       Subject:                               Time:1:08
PM
  OFFICE MEMO          re>Scan Tool Chips                    
Date:12/16/92

Ken Mosher wrote:

>mount aspect.  There are two other tiny little ICs on the boards
(74HCT573 and
>HCT00 both about twenty cents in the Jameco catalog).  I assume they
are simple
>little OR gates or something?

74HCT00 is a Quad 2 input NAND gate
74HCT573 is a Octal Transparent latch, 3 state

These are CMOS parts and are *very* static sensitive.  I would 
recommend getting a ground strap from Radio Shack or somewhere
similar and attaching it to ground where you are working.  The 
little spark you get from walking on the carpet can destroy these 
parts easily.

Jim Chott                                 RZAA80@email.sps.mot.com
85 Toy XtraCab 4x4
72 LeMans Sport Convertible


----------
Posted by: "Jim Chott" <emory!tempeqm2.sps.mot.com!Jim_Chott>
Newsgroups: alt.hotrod,wiz.hotrod
From: hotrod@dixie.com (The Hotrod List)
Subject: Re: tri-y headers
Date: Sat, 12 Dec 92 06:37:31 GMT
Organization: Dixie Communications Public Access.  The Mouth of the South.
To: hotrod@dixie.com
Reply-To: hotrod@dixie.com
Posted-Date: Saturday, Dec 12 01:37:14
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Dave Williams says:
 The tri-Ys generally give a wider torque curve at the expense of peak.
 In most cases it's a good tradeoff.  The only place I know of making a
 serious effort at tri-Ys is Doug Thorley, and they're quite expensive.

One of the reasons that the Doug Thorley headers cost more is that
they are built out of heavier materials which will last much longer
and require a lot less maintenance than most brands.  I gave up on
Hooker et al when I found out that the Doug Thorleys have a 3/8
inch flange as opposed to the 1/4 or 5/16 flange that most of them
use.

On a street engine the tri-Y works a lot better than 4-1 types.

Bob Hale                                      ...!ucsd!btree!hale
...!btree!hale@ucsd.edu                       ...!ucsd!btree!hale@uunet.uu.net

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Posted by: emory!ucsd.edu!btree!hale (Bob Hale)
Newsgroups: alt.hotrod,wiz.hotrod
From: hotrod@dixie.com (The Hotrod List)
Subject: Re:  Crossover pipe install
Date: Tue, 15 Dec 92 02:45:51 GMT
Organization: Dixie Communications Public Access.  The Mouth of the South.
To: hotrod@dixie.com
Reply-To: hotrod@dixie.com
Posted-Date: Monday, Dec 14 21:45:36
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 I have seen pictures of X-pipe crossovers which (at least intuitively)
look like a better arrangement flow-wise. The leading ends of the X go
at the first pressure maximum and the tails ideally ought to go to the
next minimum on the opposite side. The exhaust doesn't have to make a 
right angle turn - more like 45.

----------
Posted by: emory!mlb.semi.harris.com!jws (James W. Swonger)
Newsgroups: alt.hotrod,wiz.hotrod
From: hotrod@dixie.com (The Hotrod List)
Subject: Re: DIY engine computers
Date: Fri, 18 Dec 92 06:35:58 GMT
Organization: Dixie Communications Public Access.  The Mouth of the South.
To: hotrod@dixie.com
Reply-To: hotrod@dixie.com
Posted-Date: Friday, Dec 18 01:35:26
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> -> where the solenoids are used in stages for the bulk of the fuel flow
> -> and the injectors are used to fill in the gaps.  Too my knowledge
> 
>  Is this a closed loop system?
> 
> ----------
> Posted by: emory!chaos.lrk.ar.us!dave.williams (Dave Williams)
>  
Speed density based, with an O2 sensor for closed loop feedback.  All
of the solenoids are plumbed into a single fuel rail which has a line
to run to spray bars or discs which are normally mounted in the
aircleaner. 


-- 
Jon Lusky
lusky@gnu.ai.mit.edu

 79 Rx-7 12A/Holley 4bbl
 67 Camaro/350/4spd (under construction)
 89 Jeep Wrangler/258 (currently self destructing)

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Posted by: emory!gnu.ai.mit.edu!lusky
Newsgroups: alt.hotrod,wiz.hotrod
From: hotrod@dixie.com (The Hotrod List)
Subject: power steering bracket
Date: Mon, 14 Dec 92 09:37:31 GMT
Organization: Dixie Communications Public Access.  The Mouth of the South.
To: hotrod@dixie.com
Reply-To: hotrod@dixie.com
Posted-Date: Monday, Dec 14 04:37:26
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I asked about the tri-y headers and I'm greatly pleased with all of the         responces. Thanks for all of the great info and opinions.  
Now what is it about this power steering drop bracket or whatever yall called   
it?   I mainly want to know the basic; How hard is it to install?, What does it
do?, and how much does it cost?.  Also maybe: Where can I find one?.  Thanks 
again for the info.

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Posted by: emory!prism.gatech.edu!gt7038d (MCCLENDON,WILLIAM THOMAS)
Newsgroups: alt.hotrod,wiz.hotrod
From: hotrod@dixie.com (The Hotrod List)
Subject: Re: 366 and wheels
Date: Thu, 17 Dec 92 03:51:49 GMT
Organization: Dixie Communications Public Access.  The Mouth of the South.
To: hotrod@dixie.com
Reply-To: hotrod@dixie.com
Posted-Date: Wednesday, Dec 16 22:51:40
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-> >         Chrysler except Imperial
>
> So, what about the Imperial?  They don't show up in this list at all.

 They didn't show up on the list I started with, and I've never dealt
with an Imperial.  Someone was supposed to post their list - if they do,
I'll merge them.
                                           

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Posted by: emory!chaos.lrk.ar.us!dave.williams (Dave Williams)
Newsgroups: alt.hotrod,wiz.hotrod
From: hotrod@dixie.com (The Hotrod List)
Subject: Re: Drag racer built on a truck frame?
Date: Sat, 19 Dec 92 07:06:24 GMT
Organization: Dixie Communications Public Access.  The Mouth of the South.
To: hotrod@dixie.com
Reply-To: hotrod@dixie.com
Posted-Date: Saturday, Dec 19 02:06:18
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> -> now as far as power. what would be the cost of beefing up that block,
> -> why not go to a bone yard and get a 460. you want all of the inches
> 
>  Since he already has a 429, converting it to a 460 would be simple:
> the crank and pistons are the only differences.

  I would recommend trying to find a set of 429CJ (or equiv) rods too, since
  they are they same length, same diameter holes, and literally twice as
  beefy.

  Neal Howard

----------
Posted by: Neal Howard <emory!gatech!cmptrc.lonestar.org!neal>
Newsgroups: alt.hotrod,wiz.hotrod
From: hotrod@dixie.com (The Hotrod List)
Subject: Miller Motorsports Show '93
Date: Sat, 19 Dec 92 08:07:23 GMT
Organization: Dixie Communications Public Access.  The Mouth of the South.
To: hotrod@dixie.com
Reply-To: hotrod@dixie.com
Posted-Date: Saturday, Dec 19 03:07:18
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I will be at this year's Miller Motorsports '93 show in King of Prussia, PA
again this year.  Motorsport Video - booth 222, main floor.

The show will be January 22, 23, 24, 1993 in the Valley Forge Convention
Center,  about 20 miles west of Philly.

I've done this show for the last 5 years, and always had a blast as a vendor.
Lots of race cars and other neat stuff.  Two hotels at the convention center,
motels nearby.   Call Joe Pratt, Area Auto Racing News (organizers) at
609-888-3618 for more info.

Hope to see you there!

----------
Posted by: Dave Tartaglia <emory!immacc.prepnet.com!indy>
Newsgroups: alt.hotrod,wiz.hotrod
From: hotrod@dixie.com (The Hotrod List)
Subject: Re: DIY engine computers 
Date: Fri, 18 Dec 92 17:32:46 GMT
Organization: Dixie Communications Public Access.  The Mouth of the South.
To: hotrod@dixie.com
Reply-To: hotrod@dixie.com
Posted-Date: Friday, Dec 18 12:32:41
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> Date:  Fri, 18 Dec 92 01:32 EST
> From:  hotrod@dixie.com (The Hotrod List)
> 

>What about the 68HC16? I've been meaning to take a little closer look
>at it for this type of application. I believe it is instruction set
>compatible with the HC11 and it runs at about 8x the clock speed.
>It also has DSP oriented instructions which ought to come in handy
>for fuel injection and ignition management.

I have looked at it also, but I decided that if I was to make a change,
I would go to the 32-bit 68332 family.  Partly for development tools (I
already have them :-), my familiarity with Motorola 32-bit processors,
and the TPU.  In the interim, I am considering adding a second processor
to help out the 68HC11.  Basically let the HC11 do the A/D, critical timing
of output signals, and let the other processor perform the "backgound"
computes and manage the user interface.  These are difficult trade offs,
since every processor has some advantage and disadvantage over the others.

>Greg
>gag@arlvax.psu.edu

>[Gawd I love this list!!  Where else in the world would a bunch of 
>motorheads be sitting around electronically chatting about microprocessor
>architectures :-)  JGD]

I love this too!  I dropped by my favorite machine shop last night and watched
some of the guys trying to tune the carb and ignition timing on a racing
engine on the dyno.  All I could think about was how glad I was that I
don't do that anymore!


	-- Dan


----------
Posted by: Dan Malek <emory!widener!westford.ccur.com!dan>
Newsgroups: alt.hotrod,wiz.hotrod
From: hotrod@dixie.com (The Hotrod List)
Subject: RE: Oxygenated fuel.
Date: Thu, 17 Dec 92 18:42:35 GMT
Organization: Dixie Communications Public Access.  The Mouth of the South.
To: hotrod@dixie.com
Reply-To: hotrod@dixie.com
Posted-Date: Thursday, Dec 17 13:42:29
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Concerning oxygenated fuels and power loss: Isn't to be expected since the
BTU's from alcohol are less than that of gasoline? 

Here in Minnesota, they've just started using the oxugenated fuels this winter.
My Chevy truck has lost a consistent 2-3 mpg. (I've kept careful records over
the past 2 years.)

Ron

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Posted by: "Mellum Ron" <emory!mn15-gw.mavd.honeywell.com!mellum_ron>
Newsgroups: alt.hotrod,wiz.hotrod
From: hotrod@dixie.com (The Hotrod List)
Subject: Re:  Crossover pipe install
Date: Thu, 17 Dec 92 04:03:17 GMT
Organization: Dixie Communications Public Access.  The Mouth of the South.
To: hotrod@dixie.com
Reply-To: hotrod@dixie.com
Posted-Date: Wednesday, Dec 16 23:02:53
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-> You can locate the first pressure maximum by finding the "hot spot,"
-> where paint is discolored, but how do you locate a pressure minimum?
-> I suppose you could run a small sensor up the tailpipe, but is there
-> an easier way?  Can you treat the high-pressure points as nodes of a
-> standing wave?  Or is this just the sort of thing you experiment with
-> and figure out empirically?

 SISTER_MARY_ELEPHANT_MODE=ON;

        Remember the node and antinode will move as RPM changes.

 THANK_YOU=ON;
                                                         

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Posted by: emory!chaos.lrk.ar.us!dave.williams (Dave Williams)
Newsgroups: alt.hotrod,wiz.hotrod
From: hotrod@dixie.com (The Hotrod List)
Subject: Re: Re- Oxygenated fuel. 
Date: Sat, 19 Dec 92 07:26:32 GMT
Organization: Dixie Communications Public Access.  The Mouth of the South.
To: hotrod@dixie.com
Reply-To: hotrod@dixie.com
Posted-Date: Saturday, Dec 19 02:26:17
X-Sequence: 3070
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        Reply to:   RE>Re: Oxygenated fuel. 

Bob Colbath writes:

>BTW: Now I'm living in the Phoenix area where they obviously use the  
>oxy fuels. Currently, the city is under a pollution alert due to high 

>levels of carbon monoxide in the air. Is the fuel really helping???

I live in Phoenix area also.  At least here we can get gas with MTBE
in it, (some type of ether).  Try to find a station that uses MTBE 
instead of alcohol as the oxygenating agent.  You can tell it by
the noxious smell when pumping it.  Maybe MTBE won't attack things
the way alcohol can.

As a side note, my truck lost about 2mpg due to the fuel change.  No
real change in performance was noted.  (85 Toy with FI 4 cyl).

Jim Chott


----------
Posted by: "Jim Chott" <emory!tempeqm2.sps.mot.com!Jim_Chott>
Newsgroups: alt.hotrod,wiz.hotrod