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Re: Buick Straight 8 Repower
Frank50 #1344445 Fri Jan 31 2020 03:19 PM
Joined: Jul 2007
Posts: 322
Shop Shark
Over on the Buick Club forums are a couple threads regarding
263s and the bigger 320s being run on today’s aftermarket fuel injection systems with great success.

Either a fabbed sheetmetal intake manifold or a rare 4 barrel (52 big series only) with adapter
Would work for FI.
Finding solid crack free exhaust manifolds is an issue. I believe somebody is making
Header flanges for Buick’s so you can have headers made.

These are great, torquey engines........ a Buick straight 8 was an NHRA record holder in
The D/Altered class in 1966.

DO IT......!

Re: Buick Straight 8 Repower
Frank50 #1344450 Fri Jan 31 2020 04:12 PM
Joined: Nov 2000
Posts: 1,973
Frank50 Offline OP
Shop Shark
thumbs_up Thanks.

Professional Novice
Re: Buick Straight 8 Repower
Frank50 #1344783 Mon Feb 03 2020 04:57 AM
Joined: Jan 2019
Posts: 56
Wrench Fetcher
Hi Frank50

Well you have me "hooked" . My Dad was an ' International P/U guy ' (and, I have his last IH p/u after he passed back in the mid 70's - - - going on 43 years, now) (it sets in my yard today, but - I have it sitting on a mid 60's Chevy chassis with a
Chevy 250ci - 6, using the old power-glide ) .

So, before my Dad passed (I was still in High School, 1967) . . .At that time he was driving a 50 or 51 IH 1/2ton & we also had an old "burned-out Packard car" (like a 51 - 52 ) , with a good running 'flathead - 8' .

Well, he would not leave things alone, so - we did install that Flathead Packard straight eight into that old IH L-110 truck . And, it did set almost back to the truck bench seat. I can remember that he just made a "home-made fire wall cover" that you might
see installed in a Chev type Van of that time. It worked OK . . . but, you never had too use the truck 'heater' after that. Plus, I have been kinda looking for an OHV Buick straight-eight, myself , for some time now. I did have a friend give me a '53 V8
"nailhead" complete motor (really complete: with 'oil-bath & carb, exh manifolds, including the Buick 3-speed trans).

So, I say go ahead & go for-it . . . . you'll be the only one at "cruise-night" with anything even close . And, thanks for th' Memories - - - - jim

Last edited by Twinshadows; Mon Feb 03 2020 05:01 AM.
Re: Buick Straight 8 Repower
Frank50 #1344910 Tue Feb 04 2020 03:15 AM
Joined: Jun 2011
Posts: 3,633
Shop Shark
I found a 2 carb manifold for a Buick? a while back.


'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
Re: Buick Straight 8 Repower
Frank50 #1344953 Tue Feb 04 2020 01:33 PM
Joined: Nov 2002
Posts: 2,067
Carburetion specialist
Ed - Buick offered a factory 2 x 2 set-up in 1941 and 1942. They actually used progressive linkage! Many (most?) were removed during WWII due to gas rationing.

For decades, we have been helping Buick owners replace the the primary/secondary carbs with two "normal" carbs for those that drive their cars. Smoother performance, and somewhat better fuel economy.

There are generally a couple of threads running at any time on the Buick section of the AACA forums. The Buick folks are pretty active.

As far as I am aware, this set-up is the only factory multiple carb set-up on an inline engine with progressive linkage.


Good carburetion is fuelish hot air
The most expensive carburetor is the wrong one you attempt to modify
If you truly believe "one size fits all" try walking a mile in your spouse's shoes!
Re: Buick Straight 8 Repower
Frank50 #1345008 Tue Feb 04 2020 08:30 PM
Joined: Feb 2004
Posts: 21,064
Didn't Hudson run a "Twin-H" carb setup that was progressive, back in the early 1950's?

Nope- - - -just looked up a picture- - - -the Hudson has two carbs that are synchronized to open together! Some Nash OHV 6 engines ran a very similar setup in about the same time frame.

The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: Buick Straight 8 Repower
Frank50 #1345134 Wed Feb 05 2020 06:08 PM
Joined: Jul 2018
Posts: 163
Shop Shark
Go for it! It would make the savvy people stop and look grin

A 28 year old with a soft spot for old stuff!
My Pictures []

1949 Chevy 3100 (In the family since new)
1955.5 Chevy 3100 (Dad's truck)
1958 Chevy 3800 w/ 9 foot bed (Current project)
1959 Chevy Spartan 100 (10400)
Re: Buick Straight 8 Repower
Possum #1345160 Wed Feb 05 2020 09:36 PM
Joined: Mar 2007
Posts: 801
Shop Shark
Originally Posted by Possum
Go for it! It would make the savvy people stop and look grin

And the LS boys shake their heads... I love it. grin grin


Come,Bleed or Blister somethings got to give!!!
Q:"What yah runnin"
A:"3/8 drive Black and Decker aquarium pump motor" (the movie HOTROD)

59' Apache 31, long term project (30 years and counting)
Re: Buick Straight 8 Repower
Frank50 #1345167 Wed Feb 05 2020 10:53 PM
Joined: Jul 2000
Posts: 608
Year's ago I went down the same road thinking about a repowered straight 8 project. At one point I bought a Buick for the rebuilt motor and have had it stashed since. After riding around in a buddies roadster I decided someday I needed a roadster and since part of the reason I love the 8's is their looks my thought is to use it in that project. My plan is to build an AD truck roadster. I wanted to get the proportions right so I built a model. The straight 8 model motor was built by cutting two sixes in half so it's height isn't quite right but you get the idea. Last year while delivering parts to a body shop customer of mine I dug a very roached cab out of their scrap pile. After salvaging the only good couple pieces out of it that someone might need for patch panels I started cutting it down to the roadster body..
Someday I'll get back on this project.

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Mongo's Garage
Vintage GM Truck's & Parts
Re: Buick Straight 8 Repower
Frank50 #1345263 Thu Feb 06 2020 04:04 PM
Joined: Feb 2001
Posts: 6,862
Master Gabster
I understand your obsession because I want a Mopar flat 6. I could have had just about any Mopar sold but I am looking for the right one if there is such a thing. ohwell

Ron, The Computer Greek
I love therefore I am.

1960 MGA Roadster Sold 7/18/2017
1954 3100 Chevy truck in the Gallery
2017 Buick Encore
Pix on Photobucket
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