65-70 Full Size Power Train Tech Forum

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

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 · cdnpont

I'm trying to pull the 327 Damper, but it will not budge one iota. It's deflecting the arms of the puller. Do I need to heat the damper to crank flange?

cdnpont · cdnpont

Guys, I took a head off my 327 today to see how much of a ring ridge I had. Turns out there is just a hint of it, in some spots I can't feel any. The engine had less than 50 thousand miles on it. So I'm not going with an overbore. My cheap 327 budget plan was to cut the ridge, and just simply replace the piston with n...

Carl Stevenson · Carl Stevenson

I was ordering parts for my engine swap today and this came to mind. If this has been covered here in the past, forgive me. I thought this is important enough to put it out there for anyone converting to a manual trans from an automatic (possibly only Powerglides, not TH350 or TH400) on a Chevy engine in th...

cdnpont · cdnpont

Dumb question. How is the oil cap removed from the valve cover? This one won't come out no how. There must be something simple I'm missing. I had to funnel oil in through the valve cover breather hole. Also, how was the valve cover breather fed? Did it have a tube running over to the air filter housing from...

cdnpont · cdnpont

Another project for our long winter. I bought this core about two years ago, to possibly add an overdrive to the 67. I love the BB, but with the 3.55 gear, she's not a happy highway cruiser. Turns 2700 at 60. I'd like to go further afield at some point, maybe check out some different shows. A overdrive is a m...

68 Grande · 68 Grande

I have a broken bolt head for my flywheel inspection plate. The inspection plate sits up nicely and tight except the one corner (top drivers) but so far has not caused any issues however I know its broke and it bugs me. The bolt is broke off flush with the surface and I have thought about drilling it and g...

cdnpont · cdnpont

I'm interested in doing a heavy duty overdrive. Will a 4L80E fit in the Tunnel of a 65-70 B Body? It's a very big transmission, and the tunnel seems pretty small.

Leo2+2 · Leo2+2

I just changed the thermostat & gasket on my 67 Parisienne and it leaks from the thermostat housing when engine runs. I just tightened it to what I think is the safest I should. Any opinions for solutions?

2qwik2c · 2qwik2c

I'm looking to see if anyone still has these two letter coded tags on there radiators still, primarily looking for 1967 BB auto and 4 speed cars but 66 and 68 would be interesting to see as well. Im trying to research the Codes for which applications they were used for. Pics show what tags I'm talking abou...

JC2+2 · JC2+2

Has anyone here ever plugged off the Carb base heat crossover passage ways on a '68 327 with 4 barrel manifold. The '68 has exhaust running right under the front of the carb. And that gasket can burn out making like a permanent open EGR. If someone has done it, what was used to plug the holes? Pound in plugs...

Kevin66427 · Kevin66427

Before I put the car away in storage last year I started having a weird problem with the headlights on the car. I would turn on the headlight switch and the headlights would not come on. However, if I pull the headlight switch to the "on" position and then push the floor mounted high beam headlight swit...

Winnipeg · Winnipeg

The carburetor on my 65 Acadian Beaumont SD with a 230 6c has a hesitation and the last mechanic to look at it said it was hard to replace or repair. Any suggestions would be appreciated.

SGS Welding · SGS Welding

Need to replace drivers side engine mount. Engine is a small block. Does the power steering bracket go against the block? Or does it go on the engine mount? I would think on the engine mount As it is now power steering bracket touches the block first... and to me it looks wrong

68 Grande · 68 Grande

I am just researching electric fan possibilities on a big block. My 396 runs nice and cool (185) on the highway but slowing down in traffic, the temp gauge will climb up to 200. With an idiot light, out of sight, out of mind and you really don't know what the temp of your engine is until its too late. But w...

SGS Welding · SGS Welding

What pressure rad cap would a stock 327 come with in 1967?? Is 16lbs right?? thanks

68 Grande · 68 Grande

I purchased this Autoline rebuilt 7028210 Q Jet from 68sd396rag and finally got to install it. Apparently the original 7028210 on this 68 Grande was in dire need of a rebuild because what a difference!! Its an engine now!! Went for test drive and couldn't keep my foot out of the peddle, I was having s...

koolconvertible · koolconvertible

anyone know a part number or equvelent of this module?ta

Carl Stevenson · Carl Stevenson

Oh man, what have I done......... Are you happy now Dan?

Topic		Started By	Replies	Views	Last Post
	STICKY: '65-'70 AUTOMATIC TO MANUAL TRANS CONVERSION (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	24	7082	July 10th by seventy2plus2
	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	42	4082	Jun 29, 2017 by jmont64
	Is it tough to pull a old crank damper? (Preview) I'm trying to pull the 327 Damper, but it will not budge one iota. It's deflecting the arms of the puller. Do I need to heat the damper to crank flange?	cdnpont	9	182	9 days ago by Pontiacanada
	Piston ring and choosing the appropriate flex hone question. (Preview) Guys, I took a head off my 327 today to see how much of a ring ridge I had. Turns out there is just a hint of it, in some spots I can't feel any. The engine had less than 50 thousand miles on it. So I'm not going with an overbore. My cheap 327 budget plan was to cut the ridge, and just simply replace the piston with n...	cdnpont	20	214	10 days ago by Carl Stevenson
	Pilot bushing when converting from automatic to manual trans. (Preview) I was ordering parts for my engine swap today and this came to mind. If this has been covered here in the past, forgive me. I thought this is important enough to put it out there for anyone converting to a manual trans from an automatic (possibly only Powerglides, not TH350 or TH400) on a Chevy engine in th...	Carl Stevenson	13	243	13 days ago by Carl Stevenson
	1965 230 six. How does the oil cap come out? (Preview) Dumb question. How is the oil cap removed from the valve cover? This one won't come out no how. There must be something simple I'm missing. I had to funnel oil in through the valve cover breather hole. Also, how was the valve cover breather fed? Did it have a tube running over to the air filter housing from...	cdnpont	13	183	November 13th by cdnpont
	4L80E build post. (Preview) Another project for our long winter. I bought this core about two years ago, to possibly add an overdrive to the 67. I love the BB, but with the 3.55 gear, she's not a happy highway cruiser. Turns 2700 at 60. I'd like to go further afield at some point, maybe check out some different shows. A overdrive is a m...	cdnpont	11	264	November 9th by 68 Grande

	Broken Flywheel inspection cover bolt on 396 / TH400 (Preview) I have a broken bolt head for my flywheel inspection plate. The inspection plate sits up nicely and tight except the one corner (top drivers) but so far has not caused any issues however I know its broke and it bugs me. The bolt is broke off flush with the surface and I have thought about drilling it and g...	68 Grande	4	216	October 12th by Brian
	4L80E question, (Preview) I'm interested in doing a heavy duty overdrive. Will a 4L80E fit in the Tunnel of a 65-70 B Body? It's a very big transmission, and the tunnel seems pretty small.	cdnpont	15	1421	October 12th by cdnpont
	Changed thermostat & gasket, now leaks (Preview) I just changed the thermostat & gasket on my 67 Parisienne and it leaks from the thermostat housing when engine runs. I just tightened it to what I think is the safest I should. Any opinions for solutions?	Leo2+2	20	467	October 11th by 65Camino
	1967 ( 66, 68) radiator tag application codes (Preview) I'm looking to see if anyone still has these two letter coded tags on there radiators still, primarily looking for 1967 BB auto and 4 speed cars but 66 and 68 would be interesting to see as well. Im trying to research the Codes for which applications they were used for. Pics show what tags I'm talking abou...	2qwik2c	4	205	October 9th by 68 Grande
	Carb base heat cross over passage ways (Preview) Has anyone here ever plugged off the Carb base heat crossover passage ways on a '68 327 with 4 barrel manifold. The '68 has exhaust running right under the front of the carb. And that gasket can burn out making like a permanent open EGR. If someone has done it, what was used to plug the holes? Pound in plugs...	JC2+2	17	620	September 13th by norontcan
	Headlight problem (Preview) Before I put the car away in storage last year I started having a weird problem with the headlights on the car. I would turn on the headlight switch and the headlights would not come on. However, if I pull the headlight switch to the "on" position and then push the floor mounted high beam headlight swit...	Kevin66427	18	1762	August 7th by Carl Stevenson
	65 Beaumont Carburetor Replacement or Repair 65 beaumont carburetor (Preview) The carburetor on my 65 Acadian Beaumont SD with a 230 6c has a hesitation and the last mechanic to look at it said it was hard to replace or repair. Any suggestions would be appreciated.	Winnipeg	9	424	July 31st by Winnipeg

	67 Parisienne engine mount (Preview) Need to replace drivers side engine mount. Engine is a small block. Does the power steering bracket go against the block? Or does it go on the engine mount? I would think on the engine mount As it is now power steering bracket touches the block first... and to me it looks wrong	SGS Welding	2	332	June 27th by SGS Welding
	Big Block Electric fan contemplation (Preview) I am just researching electric fan possibilities on a big block. My 396 runs nice and cool (185) on the highway but slowing down in traffic, the temp gauge will climb up to 200. With an idiot light, out of sight, out of mind and you really don't know what the temp of your engine is until its too late. But w...	68 Grande	13	578	Jun 10, 2018 by Carl Stevenson
	Rad cap?? (Preview) What pressure rad cap would a stock 327 come with in 1967?? Is 16lbs right?? thanks	SGS Welding	6	432	May 30, 2018 by cdnpont
	Installed rebuilt 7028210 Q Jet on the 68 Grande (Preview) I purchased this Autoline rebuilt 7028210 Q Jet from 68sd396rag and finally got to install it. Apparently the original 7028210 on this 68 Grande was in dire need of a rebuild because what a difference!! Its an engine now!! Went for test drive and couldn't keep my foot out of the peddle, I was having s...	68 Grande	3	390	May 25, 2018 by North
	Ignition module identification (Preview) anyone know a part number or equvelent of this module?ta	koolconvertible	4	361	May 20, 2018 by luppy
	Pictures for Dano (4 speed conversion) ( 1 2 ) (Preview) Oh man, what have I done......... Are you happy now Dan?	Carl Stevenson	46	1944	May 10, 2018 by Brendan
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