65-70 Full Size Power Train Tech Forum

cdnpont · cdnpont

I figure I might try to document the conversion of the 65 Laurentian, from power glide to a 4 speed Muncie M20. I'll ad that Carl Stevenson has been a invaluable resource on this conversion, and has helped me out immensely. thanks Carl! And be sure to check out Dave's conversion post sticky as well. I'll...

2drpost · 2drpost

i've had past inquires about parts and info, thought i'd post some info and pictures for those who have thoughts about yanking gears. keep in mind, this is chevrolet, cdn pontiac. starting with the pedals, '65-'70 pedals are basically the same. '65-'68 pedals have the clutch pedal stop angled towa...

cdnpont · cdnpont

It can be smooth when the bolts turn like new. Even the lines came undone. No rust. Drivers side needed the Vice Grip, but only just (because I wasn't willing to wait for the PB Blaster to work). But I'm sort of worried about the flex line to main chassis line. Cracked it open and pulled the axles. They hav...

4SPEED427 · 4SPEED427

I've decided to make an attempt at "tightening up" an original shifter for my 66. This is the same shifter body that was used in Canadian Pontiacs, Beaumonts, Acadians, numerous Chevrolets and I think maybe some Buicks prior to 1967. I have it all disassembled and need to order some parts for it. Fo...

cdnpont · cdnpont

I've thought it might of of interest to document my TH400 build, hopefully sparking some discussion around of what is best. Like my rear end build, the transmission was originally one of those things "Black art" and best thought as being left to the pro's. I have had very good success with my 12 bolt bui...

mrford · mrford

Hello everyone Ethanol has been added to all our fuel sources in Canada with out our consent it is HIGHLY DESTRUCTIVE to older vehicles fuel systems please sign this petition to give us TENS OF THOUSANDS car collectors a option for safe fuel please read this petition and make your own minds up It can be s...

4SPEED427 · 4SPEED427

So those of you who know me know my passion and know my dislike for that big wide brake pedal that takes up the whole space where there's actually room for two smaller pedals. I'm not done putting the rear window back in my car but I'm on hold until I get some pinchweld primer for that job. Rather than sit on t...

cdnpont · cdnpont

Looks like ethanol has struck and my Rochester 2GV carb on the 69 is suddenly flooding internally. I'm taking a good early guess and thinking the needle neoprene has been ate. Wondering if there is anywhere that has just the needle and seat? Or.. Someone that has just a spare needle? I know there are c...

4SPEED427 · 4SPEED427

While we were away on vacation I visited a guy I had previously met when we went to Las Vegas. Those of you who are into Acadians and Novas may know the name John Piccola. He did a lot of reproduction parts over the years for 62-67 Acadian and Nova. One of the many things he had reproduced is the rivets for ori...

oshawacliff · oshawacliff

Today I took the Impala for a dyno run in preparation for a video ad on the Bring A Trailer web site. I also had a video of the detailing process of my car wash prior to the video. I have a gentleman who is providing his services to create a history video of the 45 years of ownership. I have 3 business who have...

ABC123 · ABC123

The way this sounded it may have been a lot worse gone wrong. That bolt screeched and clanged until it made its way out, probably, by the gap between the starter and the cover. This would be the second one that has fallen out. Who knows when the first one went. Unfortunately, now the converter has now shif...

ABC123 · ABC123

My rochester inlet fitting was only catching a thread or two and backing out. I had used a self tapper 40 years ago but it's hard to remember the details It took me a long time to find this for sale anywhere. (looks like New, very old, stock) The only other option to save this carb was a Helicoil. I researche...

a421cat · a421cat

Started putting the wiring harness back in my Ventura and having troubles with the TI harness. Does anyone have good wiring diagrams for a US Pontiac. The diagram in the manual does not match all my wire colours and the TI diagram is really hard to make out. Hoping to fire the 421 when I get back from Flori...

SGS Welding · SGS Welding

Does anyone know? My best guess for more power to the back tires is to use the pulleys from a 67 Camaro 302? Anyone here played the pulley game? Is there a site that gives specs for all the different pulleys used over the years?

ABC123 · ABC123

Looks like when my repaired arm let the AC pump fall, it damaged the power steering pump reservoir. I have the other 427 pump and my spare 350 pump. To buy a replacement they list small block and big blocks separate. Other than the brackets, I can't tell the difference. What is the difference? Thanks in a...

4SPEED427 · 4SPEED427

My apologies to Kevin for totally derailing his disc brake thread and turning it into a discussion on big block exhaust manifolds. I'll move that part of the discussion in that thread to this thread.

ABC123 · ABC123

I'm going to replace these plugs but I am not going to throw these plugs away. I showed the old plugs to an engine builder today he was amazed by the quality of the construction of the old plug. They weigh a lot more than the NKGs They are gapped a tight .35 What do you think ?

ABC123 · ABC123

First of all, why did I buy a big block ? 350s are so easy to work on with all that space under the hood. I am trying to eliminate the exhaust manifold leak on the front right of this 427. My engine/tranny/carb guy gave me a really nice set of exhaust gaskets to install. 1, Is it true that the bolts go into the oi...

Neilvermilion · Neilvermilion

Hey there, my car was born with a floor shifter which was gutted out and column shifter was installed. Now I'm collecting all parts to convert it back to floor shift and I thought I got all the parts (console with shifter, hump, linkage and kick down rod), however that thingy in between linkage rod and ki...

Shrike · Shrike

Can anyone explain this? The torque rating difference of the LS1 between Pontiac and Chevrolet? -- Edited by Shrike on Saturday 21st of October 2023 01:50:34 AM

Topic		Started By	Replies	Views	Last Post
	STICKY: 65 B Body 4 speed conversion post. ( 1 2 3 4 5 … 6 ) (Preview) I figure I might try to document the conversion of the 65 Laurentian, from power glide to a 4 speed Muncie M20. I'll ad that Carl Stevenson has been a invaluable resource on this conversion, and has helped me out immensely. thanks Carl! And be sure to check out Dave's conversion post sticky as well. I'll...	cdnpont	131	13058	December 13th by cdnpont
	STICKY: '65-'70 AUTOMATIC TO MANUAL TRANS CONVERSION ( 1 2 ) (Preview) i've had past inquires about parts and info, thought i'd post some info and pictures for those who have thoughts about yanking gears. keep in mind, this is chevrolet, cdn pontiac. starting with the pedals, '65-'70 pedals are basically the same. '65-'68 pedals have the clutch pedal stop angled towa...	2drpost	32	12954	Nov 22, 2022 by seventy2plus2
	STICKY: Removal and rebuild of the 8.875" 12 bolt. ( 1 2 3 ) (Preview) It can be smooth when the bolts turn like new. Even the lines came undone. No rust. Drivers side needed the Vice Grip, but only just (because I wasn't willing to wait for the PB Blaster to work). But I'm sort of worried about the flex line to main chassis line. Cracked it open and pulled the axles. They hav...	cdnpont	60	11765	Feb 16, 2022 by seventy2plus2
	STICKY: 67 and older 4 speed shifter restoration (Preview) I've decided to make an attempt at "tightening up" an original shifter for my 66. This is the same shifter body that was used in Canadian Pontiacs, Beaumonts, Acadians, numerous Chevrolets and I think maybe some Buicks prior to 1967. I have it all disassembled and need to order some parts for it. Fo...	4SPEED427	10	2922	Apr 2, 2021 by bjburnout
	STICKY: TH400. Build post, ( 1 2 ) (Preview) I've thought it might of of interest to document my TH400 build, hopefully sparking some discussion around of what is best. Like my rear end build, the transmission was originally one of those things "Black art" and best thought as being left to the pro's. I have had very good success with my 12 bolt bui...	cdnpont	44	13550	Feb 20, 2019 by Bill shuba
	PLEASE SIGN PETITION PARLEMENT CANADA E4735 TO REMOVE HIGHLY DESTRUCTIVE ETHANOL FROM OUR FUEL ! (Preview) Hello everyone Ethanol has been added to all our fuel sources in Canada with out our consent it is HIGHLY DESTRUCTIVE to older vehicles fuel systems please sign this petition to give us TENS OF THOUSANDS car collectors a option for safe fuel please read this petition and make your own minds up It can be s...	mrford	10	361	2 days ago by mrford
	4 speed conversion.........yes another one.... ( 1 2 3 4 ) (Preview) So those of you who know me know my passion and know my dislike for that big wide brake pedal that takes up the whole space where there's actually room for two smaller pedals. I'm not done putting the rear window back in my car but I'm on hold until I get some pinchweld primer for that job. Rather than sit on t...	4SPEED427	76	2016	4 days ago by cdnpont

	Is it possible to buy just a carb needle and seat? At least local. (Preview) Looks like ethanol has struck and my Rochester 2GV carb on the 69 is suddenly flooding internally. I'm taking a good early guess and thinking the needle neoprene has been ate. Wondering if there is anywhere that has just the needle and seat? Or.. Someone that has just a spare needle? I know there are c...	cdnpont	16	195	7 days ago by OURWAGON
	Muffler hanger rivets (Preview) While we were away on vacation I visited a guy I had previously met when we went to Las Vegas. Those of you who are into Acadians and Novas may know the name John Piccola. He did a lot of reproduction parts over the years for 62-67 Acadian and Nova. One of the many things he had reproduced is the rivets for ori...	4SPEED427	0	107	April 4th by 4SPEED427
	67 Impala Dyno Run (Preview) Today I took the Impala for a dyno run in preparation for a video ad on the Bring A Trailer web site. I also had a video of the detailing process of my car wash prior to the video. I have a gentleman who is providing his services to create a history video of the 45 years of ownership. I have 3 business who have...	oshawacliff	2	210	March 29th by oshawacliff
	Turbo 400 Torque Converter Bolts Fell Out Sorry Meatloaf 2 out of 3 is bad. (Preview) The way this sounded it may have been a lot worse gone wrong. That bolt screeched and clanged until it made its way out, probably, by the gap between the starter and the cover. This would be the second one that has fallen out. Who knows when the first one went. Unfortunately, now the converter has now shif...	ABC123	21	379	March 26th by ABC123
	Self-tapping fuel inlet fitting for a Quadrajet (Preview) My rochester inlet fitting was only catching a thread or two and backing out. I had used a self tapper 40 years ago but it's hard to remember the details It took me a long time to find this for sale anywhere. (looks like New, very old, stock) The only other option to save this carb was a Helicoil. I researche...	ABC123	6	243	March 15th by unruhjonny
	Transistor ignition (Preview) Started putting the wiring harness back in my Ventura and having troubles with the TI harness. Does anyone have good wiring diagrams for a US Pontiac. The diagram in the manual does not match all my wire colours and the TI diagram is really hard to make out. Hoping to fire the 421 when I get back from Flori...	a421cat	2	289	February 1st by a421cat
	Sbc pulleys for short water pump (Preview) Does anyone know? My best guess for more power to the back tires is to use the pulleys from a 67 Camaro 302? Anyone here played the pulley game? Is there a site that gives specs for all the different pulleys used over the years?	SGS Welding	7	473	January 29th by SGS Welding

	Hey quick question, Difference between big block and small block power steering pump (Preview) Looks like when my repaired arm let the AC pump fall, it damaged the power steering pump reservoir. I have the other 427 pump and my spare 350 pump. To buy a replacement they list small block and big blocks separate. Other than the brackets, I can't tell the difference. What is the difference? Thanks in a...	ABC123	13	551	December 16th by seventy2plus2
	L72 exhaust manifolds (Preview) My apologies to Kevin for totally derailing his disc brake thread and turning it into a discussion on big block exhaust manifolds. I'll move that part of the discussion in that thread to this thread.	4SPEED427	23	540	December 14th by 65 SD L79
	Could these plugs be original 1969 spark plugs ? (Preview) I'm going to replace these plugs but I am not going to throw these plugs away. I showed the old plugs to an engine builder today he was amazed by the quality of the construction of the old plug. They weigh a lot more than the NKGs They are gapped a tight .35 What do you think ?	ABC123	6	478	December 8th by seventy2plus2
	Oil in exhaust manifold bolt holes 427 (Preview) First of all, why did I buy a big block ? 350s are so easy to work on with all that space under the hood. I am trying to eliminate the exhaust manifold leak on the front right of this 427. My engine/tranny/carb guy gave me a really nice set of exhaust gaskets to install. 1, Is it true that the bolts go into the oi...	ABC123	13	573	November 29th by LT1Caddy
	Powerglide linkage question (Preview) Hey there, my car was born with a floor shifter which was gutted out and column shifter was installed. Now I'm collecting all parts to convert it back to floor shift and I thought I got all the parts (console with shifter, hump, linkage and kick down rod), however that thingy in between linkage rod and ki...	Neilvermilion	1	359	November 15th by Neilvermilion
	LS1 Performance numbers (Preview) Can anyone explain this? The torque rating difference of the LS1 between Pontiac and Chevrolet? -- Edited by Shrike on Saturday 21st of October 2023 01:50:34 AM	Shrike	7	644	Oct 22, 2023 by 4SPEED427
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