Beaumont Power Train Tech Forum

zak404 · zak404

Hello, I have just installed a radiator overflow and was wondering if I have to change the radiator cap now and if so would you know the number?

Captain Beaumont · Captain Beaumont

Our good friend JC2+2 is rebuilding my diff, putting in a Richmond posi with 3:55 gears. Is there supposed to be a spacer for the ring gear to line everything up?

ROSIES CAR · ROSIES CAR

I just finished rebuilding an M21 transmission and got to thinking maybe I should swap out the M20 for the M21. But first maybe I should determine which trans will be a better all around trans for my car. The car has a 3.08 gear Posi the tires are 25.6 inch diameter. The M20 currently in my convertible is an...

1966SD · 1966SD

Hoping someone could help determine what carb would have come originally on a 66 beaumont. It has a 327 with a power glide. Thanks Stan

4SPEED427 · 4SPEED427

There is another thread about 327's that has slightly derailed so rather than take it further off course, I'll post separately. The discussion came up that there has been rumours for years (I first heard them in the 70's when I was a teenager) that GM made some 4 bolt main 327's. The Massey Ferguson comb...

jmont64 · jmont64

I have a recent problem that started a couple weeks ago. It was really brief the first couple times and was just a second or two. Engine doesnt diesel it runs just like the key is still on. Yesterday it was probably 5-6 seconds. Havent had any issues with the ignition switch doing everything else it is sup...

beaumontguru · beaumontguru

Does a 1965 L79 chevelle or beaumont have a full 3/8 fuel line from the tank along the frame?

65 SD L79 · 65 SD L79

from the factory no gaskets but things mating surfaces are not as good as new

Birgs · Birgs

Has anyone converted a 67 Beaumont from an automatic to a standard and if so, what pedals did you use? Pedals from a 67 GTO/Tempest or 67 Chevelle because apparently they are different?

jlysholm · jlysholm

Hi fellas, I'm running an Edelbrock 800cfm carb on the 396/402. I'm also running an Edelbrock Victor Jr high volume fuel pump. It supplies the carb with consistent 9psi. I'm just learning now (because I failed to read the Edelbrock manual) ...that Edelbrock carbs require no more than 6.5psi. Has...

zak404 · zak404

My turbo 350 transmission doesn't shift into 1st until you have sat at a light for about 20 seconds? The fluid level is up, I don't think the linkage position would affect it? In automatic mode it wouldn't stay in low past 3000 RPM under full throttle, in spite of adjusting the linkage which doesn't seem...

JJ · JJ

I was thinking of taking out my Rochester carb and going with a Holly or Edelbrock. Any body have an opinion would be appreciated.

norontcan · norontcan

Just finishing up installing the powerglide back into my 64 Beaumont SD. Have a question on how to tie in the transmission cooling lines to the radiator. Attached scan shows the locations of the cooling lines on the transmission case but question is how do the lines attach to the cooler in the radiator...

Winnipeg · Winnipeg

I've read all of the "real men and women use points" but at the risk of the ribbing, I want to convert my 230ci to HEI. As i'd like to have it done professionally, i am asking the Winnipeg experts on here who have been so helpful in the past if they can recommend anyone in the Peg who could do this correctly? Th...

CdnGMfan · CdnGMfan

Someone was asking me about the engine numbers for their '66 Chevelle 300 convertible with a 283. I can't figure out the Canadian engine numbers prior to the '67 models. The engine i.d. is 776547430. Can anyone decode this engine for me?

65 SD L79 · 65 SD L79

what name brand of motor mounts can we buy that look factory and they are strong?

ROSIES CAR · ROSIES CAR

I have tried to look it up but found too many conflicting answers, so I am going to ask the more knowledgeable for there answers. I know what the previous owner said it was from but I have my doubts. It is a 39146789 327 block cast 4/68 suffix code I believe is VO410HH

midlife · midlife

Slowly rebuilding car I currently have a 454 4 bolt that's outtake a 76 tow truck that was running on propane....a friend wants this motor and has a complete running 427dilemma?

SD 396 · 427

Does anyone have a picture of a correct factory air cleaner assembly for a 1968 Beaumont SD with the 396 350 hp engine. Was there more than one style of air cleaner available from the factory like a open element and closed type. Thanks.

sixtyeightSD · sixtyeightSD

Hello Were the mufflers 2.5 inlet and 2.25 outlet on the 396 cars? Ours has a walker exhaust factory tail pipes look 2.25. its straight pipe with cherry bombs, with the bombs installed behind the diff so tailpipes are junk i fear.would like to put a factory style walker muffler and tail pipes on. Anyon...

Topic		Started By	Replies	Views	Last Post
	Rad cap with overflow (Preview) Hello, I have just installed a radiator overflow and was wondering if I have to change the radiator cap now and if so would you know the number?	zak404	6	1587	Apr 18, 2020 by zak404
	69 BOP 8.2 posi swap (Preview) Our good friend JC2+2 is rebuilding my diff, putting in a Richmond posi with 3:55 gears. Is there supposed to be a spacer for the ring gear to line everything up?	Captain Beaumont	17	1908	Apr 2, 2020 by Captain Beaumont
	M20 or M21 ? (Preview) I just finished rebuilding an M21 transmission and got to thinking maybe I should swap out the M20 for the M21. But first maybe I should determine which trans will be a better all around trans for my car. The car has a 3.08 gear Posi the tires are 25.6 inch diameter. The M20 currently in my convertible is an...	ROSIES CAR	12	2412	Jan 16, 2020 by 65 SD L79
	66 beaumont carburetor (Preview) Hoping someone could help determine what carb would have come originally on a 66 beaumont. It has a 327 with a power glide. Thanks Stan	1966SD	13	2045	Jan 4, 2020 by 68 customized
	4 Bolt Main 327 Blocks (Preview) There is another thread about 327's that has slightly derailed so rather than take it further off course, I'll post separately. The discussion came up that there has been rumours for years (I first heard them in the 70's when I was a teenager) that GM made some 4 bolt main 327's. The Massey Ferguson comb...	4SPEED427	22	3183	Dec 13, 2019 by HK1837
	Engine keeps running after ignition is switched off. (Preview) I have a recent problem that started a couple weeks ago. It was really brief the first couple times and was just a second or two. Engine doesnt diesel it runs just like the key is still on. Yesterday it was probably 5-6 seconds. Havent had any issues with the ignition switch doing everything else it is sup...	jmont64	8	2118	Oct 18, 2019 by jmont64
	L79 327 in a chevelle beaumont does it have a 3/8 fuel line (Preview) Does a 1965 L79 chevelle or beaumont have a full 3/8 fuel line from the tank along the frame?	beaumontguru	6	1776	Oct 5, 2019 by 4SPEED427
Nov 18 to Dec 2 Black Friday UP TO 50% OFF Plus Huge Coupons
	Exhaust manifold gaskets yes or no? (Preview) from the factory no gaskets but things mating surfaces are not as good as new	65 SD L79	22	2228	Sep 16, 2019 by 65 SD L79
	67 Beaumont auto to standard conversion (Preview) Has anyone converted a 67 Beaumont from an automatic to a standard and if so, what pedals did you use? Pedals from a 67 GTO/Tempest or 67 Chevelle because apparently they are different?	Birgs	11	2462	Sep 4, 2019 by mellow yellow 67
	Installing a fuel pressure regulator... (Preview) Hi fellas, I'm running an Edelbrock 800cfm carb on the 396/402. I'm also running an Edelbrock Victor Jr high volume fuel pump. It supplies the carb with consistent 9psi. I'm just learning now (because I failed to read the Edelbrock manual) ...that Edelbrock carbs require no more than 6.5psi. Has...	jlysholm	1	1646	Aug 21, 2019 by dualquadpete
	Transmission Issue (Preview) My turbo 350 transmission doesn't shift into 1st until you have sat at a light for about 20 seconds? The fluid level is up, I don't think the linkage position would affect it? In automatic mode it wouldn't stay in low past 3000 RPM under full throttle, in spite of adjusting the linkage which doesn't seem...	zak404	5	1977	Jun 14, 2019 by zak404
	Carb (Preview) I was thinking of taking out my Rochester carb and going with a Holly or Edelbrock. Any body have an opinion would be appreciated.	JJ	4	2313	May 14, 2019 by JJ
	64 Beaumont powerglide cooling lines? (Preview) Just finishing up installing the powerglide back into my 64 Beaumont SD. Have a question on how to tie in the transmission cooling lines to the radiator. Attached scan shows the locations of the cooling lines on the transmission case but question is how do the lines attach to the cooler in the radiator...	norontcan	2	1847	Apr 5, 2019 by HK1837
	Converting to HEI (Preview) I've read all of the "real men and women use points" but at the risk of the ribbing, I want to convert my 230ci to HEI. As i'd like to have it done professionally, i am asking the Winnipeg experts on here who have been so helpful in the past if they can recommend anyone in the Peg who could do this correctly? Th...	Winnipeg	15	2668	Jan 20, 2019 by 65 SD L79
Nov 18 to Dec 2 Black Friday UP TO 50% OFF Plus Huge Coupons
	Engine ID Canadian 283 (Preview) Someone was asking me about the engine numbers for their '66 Chevelle 300 convertible with a 283. I can't figure out the Canadian engine numbers prior to the '67 models. The engine i.d. is 776547430. Can anyone decode this engine for me?	CdnGMfan	2	2576	Jan 16, 2019 by Lt1 Burb
	66 327 motor mounts ( 1 2 ) (Preview) what name brand of motor mounts can we buy that look factory and they are strong?	65 SD L79	38	3103	Jan 2, 2019 by 65 SD L79
	Where did this 327 originate (Preview) I have tried to look it up but found too many conflicting answers, so I am going to ask the more knowledgeable for there answers. I know what the previous owner said it was from but I have my doubts. It is a 39146789 327 block cast 4/68 suffix code I believe is VO410HH	ROSIES CAR	10	3130	Nov 25, 2018 by Magician40
	427 or 454 (Preview) Slowly rebuilding car I currently have a 454 4 bolt that's outtake a 76 tow truck that was running on propane....a friend wants this motor and has a complete running 427dilemma?	midlife	13	1892	Nov 3, 2018 by 4SPEED427
	What is the proper factory air cleaner for a 1968 SD 396 350hp ? (Preview) Does anyone have a picture of a correct factory air cleaner assembly for a 1968 Beaumont SD with the 396 350 hp engine. Was there more than one style of air cleaner available from the factory like a open element and closed type. Thanks.	427	2	1984	Sep 7, 2018 by SD 396
	1968 sd mufflers (Preview) Hello Were the mufflers 2.5 inlet and 2.25 outlet on the 396 cars? Ours has a walker exhaust factory tail pipes look 2.25. its straight pipe with cherry bombs, with the bombs installed behind the diff so tailpipes are junk i fear.would like to put a factory style walker muffler and tail pipes on. Anyon...	sixtyeightSD	2	2037	Jul 11, 2018 by sixtyeightSD
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