65-70 Full Size Power Train Tech Forum

1965CS · 1965CS

I need to replace a set of carrier bearings and wondering if these a 'standard' item for a 12 bolt - 3 series carrier? Or are there multiple possibilities? Existing race is #LM603012, (bearing # unknown) and research finds bearing #LM603049 should be correct, but apparently there may be others th...

LandShark68_2+2 · LandShark68_2+2

Hi guys, I had highjacked another topic, but realized it was in a Beaumont category. So, here is the topic again, in the proper forum. I finally got around to finding the code on the axle tube of my T400 rearend. Can one of you guys translate for me ? I expect pretty docile highway gears in there. EA 091 9K ...

steya · steya

Hi, Just looking at a pair of mufflers to suit a 2 1/4" dual system for a mildly worked 350 Chevy small block. (In my Australian delivered Pontiac Parisienne). I've narrowed it down to the Dynomax Performance VT muffler, the Dynomax Ultra Flow and the Borla ProXS muffler. Anyone using any of these muf...

crazytrain · crazytrain

was wondering if anybody knows if a rear diff from a 69 grand prix fit in a 69 gto

steya · steya

Hi, Just in the process of upgrading my alternator. Looking to purchase something around the 140 amp mark. Have you guys had any experience with the 140 amp 12SI alternators? A few people I have spoken to recommend the 140 amp CS144's for my application. Anyone know the dimensions of the CS144's? Peop...

koolconvertible · koolconvertible

Has anyone out there had any luck with a replacement air con compressor? And assosiated bracketry. due to engine mods can't really use the brackets for the original frigidair beasty, plus, its freakin heavy as......unable to use the bracket as pictured to steady the thing as it goes over the tappet c...

cdnpont · cdnpont

Just wondering, With the 327 in my GP being a leaded fuel engine, will I need any kind of fuel additive to compensate? Also, it's a 10:1 engine. Will mid grade fuel suffice? Mark.

SGS Welding · SGS Welding

Where do I find the rpo code on this car? And what code would tell me I have a posi? Or a an open( I think that's what there called)

cdnpont · cdnpont

I've bought a K&N 3002 Filter for my BB build. Tough case. 10 micron media. It has no bypass valve, which to me, makes big sense. And has an anti drain back valve which I guess is good. Do you always need the anti drain back? Is it advantageous? Can I find any K&N filter listings anywhere on these CP...

SGS Welding · SGS Welding

Does anyone know the napa part number to order the pcv that screwed into the oil fill tube? Came on 66 67 impala Possible others May have been California only? I have found a screw in for the carb base but I want the one that screws into the special oil fill tube with the bung meant for a pcv. Classic i...

SGS Welding · SGS Welding

Car is a 67 Parisienne convertible If I was to put this engine in my car What headers or good flowing manifolds are available? Anyone on the forum have any experience with these heads in our cars??

Rallye350 Guy · Rallye350 Guy

Hey guys...Just wondering if anyone has put a 389-421-428 or 455 into a 65/66 Parisienne? I am thinking if doing this to Dads 1965 to keep it all Pontiac..Any thoughts?

Rallye350 Guy · Rallye350 Guy

Hey guys...I want to replace the entire rear end in my Dads 1965 Parisienne and put in a 12 bolt Posi unit. What rear ends will bolt right up? I know the 1965-67 Parisienne rears ends should work no problem but what about a 1966 Impala Rear End? Or a Rear end from a 1968 Bonneville? I am having trouble fin...

Facman · Facman

Found this car on Kijiji abut a year ago and paid 1K, the new owner wanted to flip it to make a few bucks and what I got was a solid car, floors, trunk and frame. Column shift, bench seats with one big tear, good headliner but missing the chrome trim, mirrors, carpeting and for some reason the parcel tray. H...

koolconvertible · koolconvertible

well, trying to figure out what size fanbelts I require for my BBC installation. Of course no listings in any australian manufactures as we didn't have big blocks. Accessories are 1972 vintage, came from a 72 chev kingswood wagon. Has air, p/s, high mount alternator LHS looking at motor from front, l...

bjburnout · bjburnout

When did GM offer the all synchro 3 speed............remember in the mid 60's (66 or 67) sometime GM advertising it..................just can't remember exactly when......

Laura G · Laura G

I am trying to put a 454 in my 1970 Pontiac Catalina. Doing a Chevy 350 turbo trans any help or advice would be appreciated. Only motor mount holes were factory Pontiac 350 holes. I know some cars had multiple motor mount holes mine does not. Thanks Laura & Jon

koolconvertible · koolconvertible

OK, pushing on nicely with my engine. EFI all set up just lacking a temperature sensor. No parts stores in my area can even find the part number let alone an equivelent. As can be seen in the parts list it is a GM part number. Apparently based on big block chev, suspect used on factory system as was designe...

bjburnout · bjburnout

Are the frame mounts different on a 1968 full size big block car compared to a small block car? Understand the motor mounts on the block are the same just wondering about the frame mounts.

koolconvertible · koolconvertible

always gotta be one thats a cow to sort out. My water pump is too close to the radiator. I have searched the site for big block conversion stories, avidly reading Todds story on progress. I concentrated on the part of the thread concerning water pumps, pulleys and power steering pumps. to be honest I sta...

Topic		Started By	Replies	Views	Last Post
	Carrier bearings (Preview) I need to replace a set of carrier bearings and wondering if these a 'standard' item for a 12 bolt - 3 series carrier? Or are there multiple possibilities? Existing race is #LM603012, (bearing # unknown) and research finds bearing #LM603049 should be correct, but apparently there may be others th...	1965CS	3	895	May 17, 2016 by Beaumont67SD
	Rear Axle Info Found (Preview) Hi guys, I had highjacked another topic, but realized it was in a Beaumont category. So, here is the topic again, in the proper forum. I finally got around to finding the code on the axle tube of my T400 rearend. Can one of you guys translate for me ? I expect pretty docile highway gears in there. EA 091 9K ...	LandShark68_2+2	5	1399	May 10, 2016 by Beaumont4008
	Which mufflers to use? (Preview) Hi, Just looking at a pair of mufflers to suit a 2 1/4" dual system for a mildly worked 350 Chevy small block. (In my Australian delivered Pontiac Parisienne). I've narrowed it down to the Dynomax Performance VT muffler, the Dynomax Ultra Flow and the Borla ProXS muffler. Anyone using any of these muf...	steya	8	1025	Apr 21, 2016 by 1980bigblockponcho
	69 grand prix diff (Preview) was wondering if anybody knows if a rear diff from a 69 grand prix fit in a 69 gto	crazytrain	1	749	Apr 4, 2016 by pontorquer
	Which alternator to buy?? (Preview) Hi, Just in the process of upgrading my alternator. Looking to purchase something around the 140 amp mark. Have you guys had any experience with the 140 amp 12SI alternators? A few people I have spoken to recommend the 140 amp CS144's for my application. Anyone know the dimensions of the CS144's? Peop...	steya	7	2151	Mar 5, 2016 by steya
	Replacement AC compressor (Preview) Has anyone out there had any luck with a replacement air con compressor? And assosiated bracketry. due to engine mods can't really use the brackets for the original frigidair beasty, plus, its freakin heavy as......unable to use the bracket as pictured to steady the thing as it goes over the tappet c...	koolconvertible	11	1454	Feb 27, 2016 by koolconvertible
	Non hardened valve seats. Do I need a additive? (Preview) Just wondering, With the 327 in my GP being a leaded fuel engine, will I need any kind of fuel additive to compensate? Also, it's a 10:1 engine. Will mid grade fuel suffice? Mark.	cdnpont	23	4731	Feb 27, 2016 by 57 Pathfinder
Nov 18 to Dec 2 Black Friday UP TO 50% OFF Plus Huge Coupons
	Rear axle 67 Parisienne (Preview) Where do I find the rpo code on this car? And what code would tell me I have a posi? Or a an open( I think that's what there called)	SGS Welding	9	1367	Feb 19, 2016 by StriperSS
	K&N Oil filters (Preview) I've bought a K&N 3002 Filter for my BB build. Tough case. 10 micron media. It has no bypass valve, which to me, makes big sense. And has an anti drain back valve which I guess is good. Do you always need the anti drain back? Is it advantageous? Can I find any K&N filter listings anywhere on these CP...	cdnpont	4	1628	Feb 12, 2016 by cdnpont
	Pcv (Preview) Does anyone know the napa part number to order the pcv that screwed into the oil fill tube? Came on 66 67 impala Possible others May have been California only? I have found a screw in for the carb base but I want the one that screws into the special oil fill tube with the bung meant for a pcv. Classic i...	SGS Welding	20	1180	Feb 4, 2016 by SGS Welding
	Zz383 fast burn heads manifolds?? (Preview) Car is a 67 Parisienne convertible If I was to put this engine in my car What headers or good flowing manifolds are available? Anyone on the forum have any experience with these heads in our cars??	SGS Welding	2	766	Feb 3, 2016 by Pontiacanada
	Anyone put a 389-421-428 or 455 Into 1965-66 Parisienne (Preview) Hey guys...Just wondering if anyone has put a 389-421-428 or 455 into a 65/66 Parisienne? I am thinking if doing this to Dads 1965 to keep it all Pontiac..Any thoughts?	Rallye350 Guy	20	1394	Jan 31, 2016 by 4SPEED427
	1965 Parisienne Differential Interchange (Preview) Hey guys...I want to replace the entire rear end in my Dads 1965 Parisienne and put in a 12 bolt Posi unit. What rear ends will bolt right up? I know the 1965-67 Parisienne rears ends should work no problem but what about a 1966 Impala Rear End? Or a Rear end from a 1968 Bonneville? I am having trouble fin...	Rallye350 Guy	4	1199	Jan 29, 2016 by Rallye350 Guy
	My 68 Laurentian (Preview) Found this car on Kijiji abut a year ago and paid 1K, the new owner wanted to flip it to make a few bucks and what I got was a solid car, floors, trunk and frame. Column shift, bench seats with one big tear, good headliner but missing the chrome trim, mirrors, carpeting and for some reason the parcel tray. H...	Facman	5	966	Jan 26, 2016 by Facman
Nov 18 to Dec 2 Black Friday UP TO 50% OFF Plus Huge Coupons
	Fan belts for BBC (Preview) well, trying to figure out what size fanbelts I require for my BBC installation. Of course no listings in any australian manufactures as we didn't have big blocks. Accessories are 1972 vintage, came from a 72 chev kingswood wagon. Has air, p/s, high mount alternator LHS looking at motor from front, l...	koolconvertible	10	1048	Jan 18, 2016 by 4SPEED427
	GM all synchro 3 speed (Preview) When did GM offer the all synchro 3 speed............remember in the mid 60's (66 or 67) sometime GM advertising it..................just can't remember exactly when......	bjburnout	6	1106	Dec 24, 2015 by CdnGMfan
	454 swap (Preview) I am trying to put a 454 in my 1970 Pontiac Catalina. Doing a Chevy 350 turbo trans any help or advice would be appreciated. Only motor mount holes were factory Pontiac 350 holes. I know some cars had multiple motor mount holes mine does not. Thanks Laura & Jon	Laura G	23	1689	Dec 23, 2015 by goushdds
	Temp sender challenge, trouble finding equivelent in australia (Preview) OK, pushing on nicely with my engine. EFI all set up just lacking a temperature sensor. No parts stores in my area can even find the part number let alone an equivelent. As can be seen in the parts list it is a GM part number. Apparently based on big block chev, suspect used on factory system as was designe...	koolconvertible	6	804	Dec 9, 2015 by NOS
	1968 full size big block motor mounts (Preview) Are the frame mounts different on a 1968 full size big block car compared to a small block car? Understand the motor mounts on the block are the same just wondering about the frame mounts.	bjburnout	2	903	Dec 7, 2015 by 4SPEED427
	Big block conversion snag ( 1 2 ) (Preview) always gotta be one thats a cow to sort out. My water pump is too close to the radiator. I have searched the site for big block conversion stories, avidly reading Todds story on progress. I concentrated on the part of the thread concerning water pumps, pulleys and power steering pumps. to be honest I sta...	koolconvertible	28	1683	Nov 12, 2015 by Elroy
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