65-70 Full Size Power Train Tech Forum

hdcolo · hdcolo

. . Picked up an aftermarket a/c kit for my '68 Parisienne 327. . Planned on installing it when I did the engine rebuild. . Well the engine is back in and the a/c compressor won't fit. . AAAGH . . It mounts ok between the right valve cover and oil fill tube. . Problem is it sits to high. . The hood won't clos...

hd78glide · hd78glide

After tons of research and reading tons of opinions, I've decided on the Edelbrock, and not because it is better or worse. There are so many opinions, it sounds like they are pretty equal, and it is really only preference. The two reasons I am going Edelbrock are because my car already has the Eddy Perfo...

CATALINA 65 · CATALINA 65

hi i have problem to start my car the engine turn but dont start y change the oil and the spak-plug start one tyme for 5minutes after dont whont to start just turn need help see picture of my engine if someone have response to help y be happy thank for every-one for help sorry for my englis

BIGCARGUY · BIGCARGUY

Okay the heater core question is not for my '69 & '70 Impalas though for my winter beater '86 Caprice sedan. I am not getting any heat at all, coolant level full, engine (rebuilt 1992 9C1 police 350) runs and drives smooth as glass with never any overheating problems. I changed out the thermostat an...

Leo2+2 · Leo2+2

Hello. I'm getting closer to identifying where my engine originally came from. Anyone that can help me decode some of these serial numbers would be great. The engine is in my 67 Parisienne, but it was probably in a Chevy pick-up originally possibly a mid-80's Silverado. Here are some serial #'s and wh...

tramminc · tramminc

during the rebuild I forgot where the windsheild wiper spray bottle and radiator overflow was. complete bay pictures would be nice.

66 Grande guy · 66 Grande guy

I'm just curious if anybody knows why there is a stated 5 horsepower difference in the rating of the 1966 L36 (390 horse 427) and the 1967 one. Is there any differcence at all really?

cdnpont · cdnpont

Fired the HO350 today, started right away...but is trying to drive forward in all gears, park and neutral included. No reverse. TH400 was in for seals, pump, shift shaft, speedo and tailshaft, thats it. I'm using a Kugel shift rod and quadrant. All the detents line up with the dash positions corect...

Stephenzone · Stephenzone

as the subject line states, i need help IDing a 427 stock bore domed piston i've aquired from brad. they are exactly what i'm looking for but i really would like to know who made them. the one on the left is a TRW 3888304 L72 piston and its for reference, the one on the right has a casting symbol under the crow...

Leo2+2 · Leo2+2

Hi guys: Can anyone tell me where this engine originally came from? The serial engraved on it is 18438572 which appears at the front. I don't believe it's the original since I was told it's a 305 but would love to confirm what exactly it is and where it came from. Other serials in the car, whic...

hdcolo · hdcolo

. . I recently replaced the stock GM points and condensor distributor with a newer HEI distributor. . '68 Parisienne 327. . Setting the timing took a while because I did not believe what I was reading. . If I set the timing at 4 deg BTC the car would barely run. . If I moved it up to about 12 deg BTC it would run...

groots67pontiac · groots67pontiac

Hi brand new member and I have couple of questions I need help with first. Gear ratio 1 full rotation of the wheel and 1 and half on the drive shaft does anyone that value. Should I weld up the rear carrier to get posi and put in 373 gears to kept the cost down for now it is a 12 bolt rear end. The 2spd powerglide w...

T37MAN · T37MAN

already have posi carrier but will also buy somthing complete to fit 71LeMANS

T37MAN · T37MAN

looking to buy new or gently used 3;42 / 3;55 / 3;73 for 8.5 28 spline axles,

hdcolo · hdcolo

. . Ok, , I have a '68 Parisienne 2+2. . 327 engine. . When I bought the car the temperature idiot light did not work. . Come to find out the temp sending unit did not have a wire running to it. . A quick check around failed to find it. . I thought when I pulled the engine for rebuild I would find it. . No luck. . Can n...

oshawacliff · oshawacliff

This story starts with a Midnight madness sale at Performance Improvements. I ordered a cross flow aluminum rad and a few extra parts. When I took it to my mechanic they took it out of the box and imediately called me. The rad to be installed would have to be considerably modified for mounting br...

Blackheart4355 · Blackheart4355

Well, Here she is, painted with the cam and crank installed. Funny thing though, when we started to put the rob bearings in, one set was different, just like the pistons. So back to where I bought them to swap them out...LoL!! Attached is a pic..it's kinda blurry, but you'll get the idea...

Micky · Micky

Hi I have a transmission box crysler A883 with a shifter Hurst 33216274 but I don´t have to the y-hundler What can I use en my beaumont 1967 -- Edited by Micky on Monday 18th of June 2012 10:45:23 PM

cdnpont · cdnpont

Well, I pulled a bonehead move. I took it for granted that my stock 67 TH400 Torque Converter would bolt up to the HO350 Flexplate. Was under the car today with the bolts and locktite and nearly cried. Should have checked it when it was apart, not when it was in the car. Amateur mistake to be sure. Anyway...

1965CS · 1965CS

Finally, may have pin pointed the lingering steering issues after doing everything possible, sometimes mulitple times. It appears that after a 4 wheel alignment, the rear wheels are toed out, indicating a bent-damaged rear end housing, with one side more than the other, therefore likely t...

Topic		Started By	Replies	Views	Last Post
	Aftermarket A/C (Preview) . . Picked up an aftermarket a/c kit for my '68 Parisienne 327. . Planned on installing it when I did the engine rebuild. . Well the engine is back in and the a/c compressor won't fit. . AAAGH . . It mounts ok between the right valve cover and oil fill tube. . Problem is it sits to high. . The hood won't clos...	hdcolo	5	1179	Feb 28, 2013 by rarechev
	Edelbrock 1406 vs Holley SA 570cfm decision made. (Preview) After tons of research and reading tons of opinions, I've decided on the Edelbrock, and not because it is better or worse. There are so many opinions, it sounds like they are pretty equal, and it is really only preference. The two reasons I am going Edelbrock are because my car already has the Eddy Perfo...	hd78glide	3	646	Feb 28, 2013 by hd78glide
	Little engine problem with my Catalina. (Preview) hi i have problem to start my car the engine turn but dont start y change the oil and the spak-plug start one tyme for 5minutes after dont whont to start just turn need help see picture of my engine if someone have response to help y be happy thank for every-one for help sorry for my englis	CATALINA 65	9	1491	Feb 20, 2013 by BIGCARGUY
	Heater core question? (Preview) Okay the heater core question is not for my '69 & '70 Impalas though for my winter beater '86 Caprice sedan. I am not getting any heat at all, coolant level full, engine (rebuilt 1992 9C1 police 350) runs and drives smooth as glass with never any overheating problems. I changed out the thermostat an...	BIGCARGUY	5	683	Feb 19, 2013 by 4SPEED427
	MYSTERY ENGINE ( 1 2 ) (Preview) Hello. I'm getting closer to identifying where my engine originally came from. Anyone that can help me decode some of these serial numbers would be great. The engine is in my 67 Parisienne, but it was probably in a Chevy pick-up originally possibly a mid-80's Silverado. Here are some serial #'s and wh...	Leo2+2	25	1924	Feb 5, 2013 by Magician40
	1968 pontaic catalina: need engine bay pictures (Preview) during the rebuild I forgot where the windsheild wiper spray bottle and radiator overflow was. complete bay pictures would be nice.	tramminc	4	622	Jan 25, 2013 by tramminc
	So why the difference? (Preview) I'm just curious if anybody knows why there is a stated 5 horsepower difference in the rating of the 1966 L36 (390 horse 427) and the 1967 one. Is there any differcence at all really?	66 Grande guy	4	703	Jan 4, 2013 by Canadian Poncho

	TH400, all forward, no neutral, help. Problem Solved!!! (Preview) Fired the HO350 today, started right away...but is trying to drive forward in all gears, park and neutral included. No reverse. TH400 was in for seals, pump, shift shaft, speedo and tailshaft, thats it. I'm using a Kugel shift rod and quadrant. All the detents line up with the dash positions corect...	cdnpont	13	3446	Nov 3, 2012 by Checker
	need help IDing a 427 stock bore domed piston (Preview) as the subject line states, i need help IDing a 427 stock bore domed piston i've aquired from brad. they are exactly what i'm looking for but i really would like to know who made them. the one on the left is a TRW 3888304 L72 piston and its for reference, the one on the right has a casting symbol under the crow...	Stephenzone	8	949	Sep 13, 2012 by Stephenzone
	Need help with engine (Preview) Hi guys: Can anyone tell me where this engine originally came from? The serial engraved on it is 18438572 which appears at the front. I don't believe it's the original since I was told it's a 305 but would love to confirm what exactly it is and where it came from. Other serials in the car, whic...	Leo2+2	11	1454	Sep 9, 2012 by Leo2+2
	HEI Distributor Conversion (Preview) . . I recently replaced the stock GM points and condensor distributor with a newer HEI distributor. . '68 Parisienne 327. . Setting the timing took a while because I did not believe what I was reading. . If I set the timing at 4 deg BTC the car would barely run. . If I moved it up to about 12 deg BTC it would run...	hdcolo	12	1697	Aug 27, 2012 by JC2+2
	GEAR RATIO (Preview) Hi brand new member and I have couple of questions I need help with first. Gear ratio 1 full rotation of the wheel and 1 and half on the drive shaft does anyone that value. Should I weld up the rear carrier to get posi and put in 373 gears to kept the cost down for now it is a 12 bolt rear end. The 2spd powerglide w...	groots67pontiac	13	1872	Aug 6, 2012 by groots67pontiac
	need gears for 8.5 / 3;42 to 3;73 ring/pinion (Preview) already have posi carrier but will also buy somthing complete to fit 71LeMANS	T37MAN	0	525	Jul 31, 2012 by T37MAN
	looking for 8.5 ring/pinion 3.42 ,3.55 ,or 3.73 (Preview) looking to buy new or gently used 3;42 / 3;55 / 3;73 for 8.5 28 spline axles,	T37MAN	0	547	Jul 31, 2012 by T37MAN

	What do you know about engine wiring ? ? (Preview) . . Ok, , I have a '68 Parisienne 2+2. . 327 engine. . When I bought the car the temperature idiot light did not work. . Come to find out the temp sending unit did not have a wire running to it. . A quick check around failed to find it. . I thought when I pulled the engine for rebuild I would find it. . No luck. . Can n...	hdcolo	10	1299	Jul 30, 2012 by deleted
	Cooling Solution (Preview) This story starts with a Midnight madness sale at Performance Improvements. I ordered a cross flow aluminum rad and a few extra parts. When I took it to my mechanic they took it out of the box and imediately called me. The rad to be installed would have to be considerably modified for mounting br...	oshawacliff	2	1034	Jul 25, 2012 by Pontiacanada
	Engine Build Update ( 1 2 3 4 ) (Preview) Well, Here she is, painted with the cam and crank installed. Funny thing though, when we started to put the rob bearings in, one set was different, just like the pistons. So back to where I bought them to swap them out...LoL!! Attached is a pic..it's kinda blurry, but you'll get the idea...	Blackheart4355	96	6861	Jul 4, 2012 by Ahnuld
	Hurst part need (Preview) Hi I have a transmission box crysler A883 with a shifter Hurst 33216274 but I don´t have to the y-hundler What can I use en my beaumont 1967 -- Edited by Micky on Monday 18th of June 2012 10:45:23 PM	Micky	2	1510	Jun 19, 2012 by Micky
	Need some Torque converter/flexplate advice. Help! (Preview) Well, I pulled a bonehead move. I took it for granted that my stock 67 TH400 Torque Converter would bolt up to the HO350 Flexplate. Was under the car today with the bolts and locktite and nearly cried. Should have checked it when it was apart, not when it was in the car. Amateur mistake to be sure. Anyway...	cdnpont	5	1281	Jun 17, 2012 by cdnpont
	Bent diff-axel housing scenario (Preview) Finally, may have pin pointed the lingering steering issues after doing everything possible, sometimes mulitple times. It appears that after a 4 wheel alignment, the rear wheels are toed out, indicating a bent-damaged rear end housing, with one side more than the other, therefore likely t...	1965CS	7	856	Jun 13, 2012 by seventy2plus2
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