Beaumont Power Train Tech Forum

65 SD L79 · 65 SD L79

ok, I have used up my good units and now what i have left will need parts to rebuild them. Should I just buy a new unit or is the GM one better?

65 SD L79 · 65 SD L79

what size of brake booster should i be getting 11" or 9" ?

Sxty8SD · Sxty8SD

Pulled the back cover off the 12 bolt in my 68 2door post (L30 M20) to confirm the ratio. It is 3.07 as it came from the factory. Also say hand written code X207 written by hand on both the ring and pinion. Any idea what this is?

see2xu · see2xu

'66 Beaumont with a mild 454 (early '70s passenger car or light truck engine, built before I bought it), mounting Holley Terminator EFI, running a Cold Case aluminum BBC rad, and a high flow aluminum water pump. Dual electric fans, on at 165F, off at 160F. Fresh Prestone coolant, with wetting compo...

Nova_aficionado · Nova_aficionado

Hi All, I am just replacing some awful and incorrect battery cables on my survivor 68 Beaumont. The negative was so tight I had to move the battery to get it off the terminal. I have the service manual, but cannot see the appropriate (factory) routing for either the positive or negative cables. Do...

4SPEED427 · 4SPEED427

I am looking for a picture of the motor mount recall pieces either spread out on a bench or installed on the car for the following cars only. 1964 to 1967 Beaumont or Chevelle, 283 or 327 only. It must be all the stock stuff, stock manifolds, hardware etc. I know other models had the recall as well but it'...

66sdguy · 66sdguy

Looking for recommendations on a staggered bolt sbc starter. Muncie 4 spd, 168 tooth flywheel and new crate engine. Anyone?

66sdguy · 66sdguy

Just installed an electric fuel pump on my 66 SD. Looking for recommendations on location for relay install. Anyone? Photos much appreciated. Thanks

66sdguy · 66sdguy

Sbc crate engine header recommendations. 66sd 4 spd. Anyone? Thanks

66sdguy · 66sdguy

My 66 sd project came with new, installed 3 inch pipe with cross over. Very nice job. I have new patriot ceramic coated headers to go on the sbc. The patriots have a 2 inch pipe where the collectors meet the 3 inch collectors on the new exhaust system. I have looked online for a set of connectors that go up f...

66sdguy · 66sdguy

Can anyone give me a heads up on the hole size for a 4 spd muncie going in my 66 SD? Please and thank you.

66sdguy · 66sdguy

I dropped the fresh crate 350 and muncie in my 66 sd today and things went pretty slick except......the Oil pan, which i believe is a 6 liter pan which has a much wider and square front than most oil pans I am familiar with, as the center link of my steering Knocks up against either side of the Oil pan when you...

66sdguy · 66sdguy

My 66 beaumont project car came with a new aftermarket brake booster. There are 2 brackets that mount to the firewall which accept the 4 bolts on the back of the booster. Everything seems to lineup well EXCEPT for the round black cylinder hat comes out the back of the booster. This black cylinder is fixe...

66sdguy · 66sdguy

I am installing g new ceramic coated patriots headers on my 66 SD 350 4 speed. A couple of the plugs are tight to the header to the point t that I can barely get the 0lud wire cap on the plug. Also I cannot get a plug wrench on a couple as well. Should I go shortys? Can any one recommend a shorty plug for a carbura...

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...

65 SD L79 · 65 SD L79

so I bought an aftermarket voltage regulator for the 65 and it popped. other then getting an nos one who makes the best one?

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

Topic		Started By	Replies	Views	Last Post
	12 bolt posi (Preview) ok, I have used up my good units and now what i have left will need parts to rebuild them. Should I just buy a new unit or is the GM one better?	65 SD L79	20	584	March 24th by CdnGMfan
	so the 66 Beaumont is getting a 396 and power front disc brakes (Preview) what size of brake booster should i be getting 11" or 9" ?	65 SD L79	4	539	December 13th by 65 SD L79
	Written Code on Ring and Pinion? (Preview) Pulled the back cover off the 12 bolt in my 68 2door post (L30 M20) to confirm the ratio. It is 3.07 as it came from the factory. Also say hand written code X207 written by hand on both the ring and pinion. Any idea what this is?	Sxty8SD	1	472	Sep 20, 2023 by Sxty8SD
	Out of ideas... (Preview) '66 Beaumont with a mild 454 (early '70s passenger car or light truck engine, built before I bought it), mounting Holley Terminator EFI, running a Cold Case aluminum BBC rad, and a high flow aluminum water pump. Dual electric fans, on at 165F, off at 160F. Fresh Prestone coolant, with wetting compo...	see2xu	15	927	Jul 25, 2023 by see2xu
	‘68 Beaumont battery cable routing (Preview) Hi All, I am just replacing some awful and incorrect battery cables on my survivor 68 Beaumont. The negative was so tight I had to move the battery to get it off the terminal. I have the service manual, but cannot see the appropriate (factory) routing for either the positive or negative cables. Do...	Nova_aficionado	4	806	Jun 30, 2023 by CdnGMfan
	Beaumont or Chevelle 283/327 motor mount recall 1964 to 1967 (Preview) I am looking for a picture of the motor mount recall pieces either spread out on a bench or installed on the car for the following cars only. 1964 to 1967 Beaumont or Chevelle, 283 or 327 only. It must be all the stock stuff, stock manifolds, hardware etc. I know other models had the recall as well but it'...	4SPEED427	10	855	May 17, 2023 by 4SPEED427
	Staggered bolt starter (Preview) Looking for recommendations on a staggered bolt sbc starter. Muncie 4 spd, 168 tooth flywheel and new crate engine. Anyone?	66sdguy	3	868	Apr 27, 2023 by Mike Ward MB

	Relay install (Preview) Just installed an electric fuel pump on my 66 SD. Looking for recommendations on location for relay install. Anyone? Photos much appreciated. Thanks	66sdguy	3	1169	Mar 28, 2023 by 66sdguy
	Headers (Preview) Sbc crate engine header recommendations. 66sd 4 spd. Anyone? Thanks	66sdguy	16	1672	Mar 8, 2023 by 69 beamont custom coup
	Collector issue (Preview) My 66 sd project came with new, installed 3 inch pipe with cross over. Very nice job. I have new patriot ceramic coated headers to go on the sbc. The patriots have a 2 inch pipe where the collectors meet the 3 inch collectors on the new exhaust system. I have looked online for a set of connectors that go up f...	66sdguy	5	918	Mar 4, 2023 by 66sdguy
	4 spd standard hole size. (Preview) Can anyone give me a heads up on the hole size for a 4 spd muncie going in my 66 SD? Please and thank you.	66sdguy	7	1025	Mar 4, 2023 by 66sdguy
	Oil pan issue? (Preview) I dropped the fresh crate 350 and muncie in my 66 sd today and things went pretty slick except......the Oil pan, which i believe is a 6 liter pan which has a much wider and square front than most oil pans I am familiar with, as the center link of my steering Knocks up against either side of the Oil pan when you...	66sdguy	15	1241	Mar 4, 2023 by 66sdguy
	New brake booster install. (Preview) My 66 beaumont project car came with a new aftermarket brake booster. There are 2 brackets that mount to the firewall which accept the 4 bolts on the back of the booster. Everything seems to lineup well EXCEPT for the round black cylinder hat comes out the back of the booster. This black cylinder is fixe...	66sdguy	13	963	Feb 24, 2023 by 66sdguy
	Headers tight to plugs. (Preview) I am installing g new ceramic coated patriots headers on my 66 SD 350 4 speed. A couple of the plugs are tight to the header to the point t that I can barely get the 0lud wire cap on the plug. Also I cannot get a plug wrench on a couple as well. Should I go shortys? Can any one recommend a shorty plug for a carbura...	66sdguy	2	806	Feb 20, 2023 by 66sdguy

	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	1231	Feb 4, 2023 by DonSSDD
	65 66 Beaumont voltage regulator (Preview) so I bought an aftermarket voltage regulator for the 65 and it popped. other then getting an nos one who makes the best one?	65 SD L79	7	1026	Jan 18, 2023 by 65 SD L79
	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	1273	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	1745	Nov 13, 2022 by 66sdguy
	Beaumont 427 air cleaner decal (Preview) Who made this?! can I get one?!	Shrike	5	1197	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	1220	Oct 29, 2022 by beaumontguru
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