Beaumont Power Train Tech Forum

4SPEED427 · 4SPEED427

Does anyone have experience with replacing an accelerator pump on a 2 barrel 283? I'm reading it is very important that it's ethanol resistant. I'm guessing that is the why the one on this 283 is dead. It dies right out when you try to rev it up any little bit. I found a guy on ebay selling pumps that he says a...

zak404 · zak404

Doing my compression test this winter,pulled all the plugs and number 5 is fouled really bad. Ido a compression test and compression is actually 20 pds higher than the last time I tested. None of the other cylinders changed. Could this be a stuck valve?

66sdguy · 66sdguy

I am very happy to be on this site. This is my first post. In 1977 I had a 66 sd 327 2 spd car. Since then I have had many gm collector cars and have restored or modified them all to some degree. I have just bought another 66 sd 283 2spd car that is nearly finished. It did not come with a 283 but did come with a munci...

Shrike · Shrike

Who made this?! can I get one?!

beaumontguru · beaumontguru

this is the correct bolt and spacer. the bolt is a 1/4 inch but has a smaller head size to accept a 3/8 socket. (correct smaller head one shown on the right). the holddowns are same on all 50's 60s SBC's -- Edited by beaumontguru on Friday 28th of October 2022 08:30:02 PM

66 Grande guy · 66 Grande guy

Howdy guys, one of my projects this summer besides taking another long walk through Europe, was to change my 66 Beaumont 283 2 barrel to a slightly peppier 283 4 barrel setup as was optional in the early years of Beaumont. (Not 66 though.) That is to say, the 4GC carb on the small intake that would have bee...

crazytrain · crazytrain

on a down flow rad which side is the tranny return line

Beau_SD_65 · Beau_SD_65

My dear CP folks, here comes interesting issue I ran across my 65 Beaumont w/V8 engine install last year and now I'll have to clarify what I'm gonna do in the end to get the issue sorted out and get the car running. As the car originally came with a L6 190 ci engine, I had to install the V8 option frame mount...

Lt1 Burb · Lt1 Burb

Just throwing more money at it, lol. Never had an MSD before but car was missing badly. Turned out the bronze gear for my roller cam was worn out. I built a couple brackets to mount the coil and box, just have to make a coil wire.

Gimpper · Gimpper

I think my Parking pawl is busted, any tips on a easy fix, what does it entail, I have the 250 inline 6 -- Edited by Gimpper on Thursday 14th of October 2021 08:46:31 PM

Brelan · Brelan

68 Beaumont Changing out my two speed powerglide on the steering column to a 200 4r transmission centre console. Looking for any feedback on different kits available; I'm looking for a kit that will look great as well as the installation has all the necessary parts. Any recommendation is appreciate...

Coop · Coop

Right now I have 3.55 to 1 gears in the rear end and I'm thinking of adding a Gear Vendors overdrive or swaping the TH400 out for a 700R. If I went with the overdrive I'm also thinking of changing the rear end to 4.11. What do you guys think? Has anyone here done either?

chevy4ever · chevy4ever

What linkage brackets do l need for a t400 to a 3 speed 67 Beaumont console there are two on the transmission need part numbers to order the right ones

see2xu · see2xu

Put a Vintage a/c kit on the '66 Beau over the winter. I worked with their tech representative, and they assembled a hybrid kit with the Pontiac Tempest/GTO "head" end (controls in dash), with the Chevelle BBC spec for everything else. It went in pretty smoothly, the only fabrication was getting th...

BPnoOlds · BPnoOlds

Anybody out there have any varified info for these. I realize they are quite rare in the Beaumonts which I am looking for info on. I have only found MDH as 3.31 posi for L79 and 4-speed 300 hp.

Lt1 Burb · Lt1 Burb

I have to say I was impressed, happy, and relieved at how easy it was to put in and that I didnt have to cut my floor pan or massage it. I did have to open it up but I should have anyways when I installed the M21. Just need to get a driveshaft made and I can try it out. Should be a different car, changed from the thum...

Beaumont4008 · Beaumont4008

Its been a long time since I changed a clutch and was wondering if the pressure plate bolts use a lock washer or not. I got the bolts but no washers and am just not sure if they are needed. Ian

68vert · 68vert

Engine in the car I purchased was built by a local reputable shop and they were kind enough to send me the internal details and even the dyno sheet. Pretty happy with the 414 HP / 419 TQ combo from the alum headed 350 vortec block. Was even happier to see it has a roller cam, but here comes the cringe worthy...

citywide · citywide

does anybody know how to tell the difference between the 396 325 hp or 350 hp my vin starts with 738378 i dont know if that helps it is a 1968 beaumont s d -- Edited by citywide on Sunday 8th of November 2020 05:27:24 PM -- Edited by citywide on Sunday 8th of November 2020 05:32:12 PM

4SPEED427 · 4SPEED427

I am hoping someone has a speedometer cable out of a 64 Beaumont with a Powerglide and is able to measure the length of it. Our site member "Winnipeg" has asked me to see if I can order him a new one and I never trust the jobber catalogues. My experience with their applications has been that they might make s...

Topic		Started By	Replies	Views	Last Post
	283 2 barrel ( 2GC ) accelerator pump question (Preview) Does anyone have experience with replacing an accelerator pump on a 2 barrel 283? I'm reading it is very important that it's ethanol resistant. I'm guessing that is the why the one on this 283 is dead. It dies right out when you try to rev it up any little bit. I found a guy on ebay selling pumps that he says a...	4SPEED427	22	1664	Feb 4, 2023 by DonSSDD
	Spark plug fouling (Preview) Doing my compression test this winter,pulled all the plugs and number 5 is fouled really bad. Ido a compression test and compression is actually 20 pds higher than the last time I tested. None of the other cylinders changed. Could this be a stuck valve?	zak404	11	1788	Nov 19, 2022 by zak404
	66 sd console auto to 4spd standard swap ( 1 2 ) (Preview) I am very happy to be on this site. This is my first post. In 1977 I had a 66 sd 327 2 spd car. Since then I have had many gm collector cars and have restored or modified them all to some degree. I have just bought another 66 sd 283 2spd car that is nearly finished. It did not come with a 283 but did come with a munci...	66sdguy	28	2388	Nov 13, 2022 by 66sdguy
	Beaumont 427 air cleaner decal (Preview) Who made this?! can I get one?!	Shrike	5	1562	Nov 2, 2022 by 4SPEED427
	pics of correct 64 valve cover bolts for TburgGM (Preview) this is the correct bolt and spacer. the bolt is a 1/4 inch but has a smaller head size to accept a 3/8 socket. (correct smaller head one shown on the right). the holddowns are same on all 50's 60s SBC's -- Edited by beaumontguru on Friday 28th of October 2022 08:30:02 PM	beaumontguru	4	1613	Oct 29, 2022 by beaumontguru
	A Mystery I'm Not that Proud of Solving-Oh Well! (Preview) Howdy guys, one of my projects this summer besides taking another long walk through Europe, was to change my 66 Beaumont 283 2 barrel to a slightly peppier 283 4 barrel setup as was optional in the early years of Beaumont. (Not 66 though.) That is to say, the 4GC carb on the small intake that would have bee...	66 Grande guy	13	2052	Oct 11, 2022 by 4SPEED427
	down flow rad (Preview) on a down flow rad which side is the tranny return line	crazytrain	2	1261	Jun 16, 2022 by crazytrain
Nov 18 to Dec 2 Black Friday UP TO 50% OFF Plus Huge Coupons
	65 beaumont exhaust header issue (Preview) My dear CP folks, here comes interesting issue I ran across my 65 Beaumont w/V8 engine install last year and now I'll have to clarify what I'm gonna do in the end to get the issue sorted out and get the car running. As the car originally came with a L6 190 ci engine, I had to install the V8 option frame mount...	Beau_SD_65	7	3103	Mar 17, 2022 by Mike Ward MB
	Lil ignition upgrade (Preview) Just throwing more money at it, lol. Never had an MSD before but car was missing badly. Turned out the bronze gear for my roller cam was worn out. I built a couple brackets to mount the coil and box, just have to make a coil wire.	Lt1 Burb	5	1698	Oct 31, 2021 by Lt1 Burb
	How do I find out what transmission is in my 69, 2 speed or 3 (Preview) I think my Parking pawl is busted, any tips on a easy fix, what does it entail, I have the 250 inline 6 -- Edited by Gimpper on Thursday 14th of October 2021 08:46:31 PM	Gimpper	5	1438	Oct 15, 2021 by oshawacliff
	Centre Console Kit (Preview) 68 Beaumont Changing out my two speed powerglide on the steering column to a 200 4r transmission centre console. Looking for any feedback on different kits available; I'm looking for a kit that will look great as well as the installation has all the necessary parts. Any recommendation is appreciate...	Brelan	5	1477	Oct 11, 2021 by 65Camino
	Over Drive Versus 700R (Preview) Right now I have 3.55 to 1 gears in the rear end and I'm thinking of adding a Gear Vendors overdrive or swaping the TH400 out for a 700R. If I went with the overdrive I'm also thinking of changing the rear end to 4.11. What do you guys think? Has anyone here done either?	Coop	10	3173	Sep 13, 2021 by 65Camino
	Transmission linkage (Preview) What linkage brackets do l need for a t400 to a 3 speed 67 Beaumont console there are two on the transmission need part numbers to order the right ones	chevy4ever	0	1095	Sep 8, 2021 by chevy4ever
	Help Wanted! (Preview) Put a Vintage a/c kit on the '66 Beau over the winter. I worked with their tech representative, and they assembled a hybrid kit with the Pontiac Tempest/GTO "head" end (controls in dash), with the Chevelle BBC spec for everything else. It went in pretty smoothly, the only fabrication was getting th...	see2xu	8	1336	Sep 1, 2021 by cdnpont
Nov 18 to Dec 2 Black Friday UP TO 50% OFF Plus Huge Coupons
	1965 Canadian 12-bolt stamp codes (Preview) Anybody out there have any varified info for these. I realize they are quite rare in the Beaumonts which I am looking for info on. I have only found MDH as 3.31 posi for L79 and 4-speed 300 hp.	BPnoOlds	2	1531	May 31, 2021 by sman
	Installed the TKX 5 spd today (Preview) I have to say I was impressed, happy, and relieved at how easy it was to put in and that I didnt have to cut my floor pan or massage it. I did have to open it up but I should have anyways when I installed the M21. Just need to get a driveshaft made and I can try it out. Should be a different car, changed from the thum...	Lt1 Burb	2	1385	May 23, 2021 by 65Camino
	Pressure plate bolts, lock washers ? (Preview) Its been a long time since I changed a clutch and was wondering if the pressure plate bolts use a lock washer or not. I got the bolts but no washers and am just not sure if they are needed. Ian	Beaumont4008	4	1220	Apr 24, 2021 by 4SPEED427
	Some good info and Roller cam advice (Preview) Engine in the car I purchased was built by a local reputable shop and they were kind enough to send me the internal details and even the dyno sheet. Pretty happy with the 414 HP / 419 TQ combo from the alum headed 350 vortec block. Was even happier to see it has a roller cam, but here comes the cringe worthy...	68vert	8	1959	Feb 22, 2021 by 68vert
	need advice (Preview) does anybody know how to tell the difference between the 396 325 hp or 350 hp my vin starts with 738378 i dont know if that helps it is a 1968 beaumont s d -- Edited by citywide on Sunday 8th of November 2020 05:27:24 PM -- Edited by citywide on Sunday 8th of November 2020 05:32:12 PM	citywide	5	1470	Nov 8, 2020 by oshawacliff
	64 Beaumont help needed---speedometer cable length? (Preview) I am hoping someone has a speedometer cable out of a 64 Beaumont with a Powerglide and is able to measure the length of it. Our site member "Winnipeg" has asked me to see if I can order him a new one and I never trust the jobber catalogues. My experience with their applications has been that they might make s...	4SPEED427	10	1857	Apr 26, 2020 by Brian
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