Pre 1958 Canadian Pontiac Power Train Tech Forum

52poncho · 52poncho

So here's my dilemna...put a new fuel pump on my 52 with the stock 239 Flathead, and I don't have enough pressure to run it. I'm running through an electric fuel pump as a back up...could this be restricting the flow? Any ideas? Need her running for the WOW next weekend...Thanx

Jughead · Jughead

I am planning an old school mild custom for my '52 and I have a couple of books printed in the '50's that talk about "souping up" the stock inline 6. In both books they mention replacing the original Rochester carbs with Zenith carbs when moving to a two carb or three carb set up. Now, my quest...

long stroke · long stroke

I hope this does not seem too retarded a question. I was wondering if anyone out there knew what the realistic RPM redline is on a 1957 or early 261 inline six cylinder motor is. My motor was rebuilt stock and the only modification is the Pertronix electronic ignition conversion. I run the original 3 spe...

Jughead · Jughead

Hi guys I was hoping someone would have a starting point for parts for my '52 tranny. I've lost low gear and reverse just the other day (I had to push it back into it's parking spot, I had no idea my parkade was that sloped!) It sat for many, many years before I purchased so I'm hoping just the seals have gon...

dualquadpete · dualquadpete

Finally got to the cluthch & brake pedals that I got from Carl Stevenson's son last mth. They were out of a malibu & they fit up under the 52 dash not too bad, but "appear" to be a "little" short!!! My wife says thats fine for her as Janice is only 5'2" & look like the...

Fitz · Fitz

I think a thread on how to rebuilt a PG maybe interesting for some in the forum. All the picture following are with a Canadian (1953) PG already removed from the car. The major difference with the Chevy cast iron PowerGlide is mostly the bellhousing because of the starter side. At first, help yoursel...

52poncho · 52poncho

Hey there...I am a proud owner of a 52 Pontiac Fleetleader Deluxe 2 door sedan. I am currently running the original drive train, but am thinking of upgrading the engine. I have at my disposal, a couple 235 Chevy engines from my 57 Chevys, and was thinking of using one of these. I absolutley love my 239...

poncho55 · poncho55

Has anyone put in a late model Automatic transmission into their 287 Cubic Inch Poniac motor that they would recommend? I have a 1955 Chieftain Catalina that I am looking to upgrade the transmission on as the present one is really clunky. Thanks, Derek

rrausch · rrausch

Hi guys! I'm from the States, and I've been around old Chevy's all my life. I've had seven '53 and '54 Chevys most with 235's. My current Chevy is a '53 210 with a U.S. 261 in it that came out of a 1959 2-ton truck. I have some questions about the Canadian 261's that came in Pontiacs. Maybe someone here ca...

muskegdon · muskegdon

the old 261 in my 57 pathfinder is a little tired. I have a good 350 kicking around and I thought I would put it in while I get the 261 freshened up. The question is, what will it take to put that 350 in? Will it bolt up to the 6 cyl std. bell housing? I don't want to spend too much as the 261 will go back in,...

wwdaze · wwdaze

hey everyone: i have had the radiator recored, taken out the thermostat and still I am overheating. I installed a rebuilt water pump about 2000miles ago. A mechanic just told me that if the vacuum advance is not working properly this could cause the overheating problem. Any thoughts on this? I...

51Poncho · 51Poncho

When the engine is hot and under load, it stalls out and won't start until it cools down. Will start good when it's cool but then stalls out again after running and under load. Any suggestions what could be causing this situation. I have checked the fuel filter, fuel pump and has spark. The engine ru...

chevy11 · chevy11

Hello, what newer transmission (manual or auto swap) would most easily fit on the 1953/54 Pontiac straight 6 that originally had the 3 speed manual? I have two bell housings one for Canadian pontiac and one for the American Pontiac. The car has it orginal torque tube removed; it is basically setup li...

long stroke · long stroke

I have a beautiful 1957 Pontiac Pathfinder Deluxe sedan that i have restored original. The car has a 261 inline but i am not so sure that this is the original 261. I know this is a 261 because of the steam holes in the head and block. This motor has bosses in the sides for side motor mounts. Because of this i su...

alexpertkustompontiac1956 · alexpertkustompontiac1956

I WAS WONDER HOW CAN I IDENTIFIED A 261 FROM A 235 I HAVE NO IDEA WHAT I HAVE IN MY CAR I DID NOT SEE THE BARS IN THE MOTOR, WHERE THERE ARE LOCATED? THE ONLY THING I FOUND IS THIS NUMBER 3835913 GM WELL AT HIS MOMENT IM CONFUSING IF MY CAR HAS A 261 OR A 235 ANY WAY TO FIN OUT? IS THIS NUMBER HAS ANY MEANING TO YOU? THI...

davelacourse · davelacourse

I am committed to installing my BBC in my 56 using original V8 bellhousing and newer stick shift, and as I began to mock up the assembly (all reports are that I will need to dent the firewall and I want to figure out exactly where - I am using a foam mock block for the mockup) - I went to bolt the rear mounts to t...

73SC · 73SC

Now that cruise season is back can I ask all members to be on the lookout for original looking and even restored 55 to 57 V8 Canadian Pontiacs. I would like to complement the 261 colour reference tread in the Library with a similar one fro the V8 cars in 55, 56, 57. We need engine compartment photos and mode...

Poncho Jode · Poncho Jode

I am wanting to put headers on my 56 Laurentian. Is there specific measurements or numbers that I could look into so that if I were to order some I would know beforehand if they would fit. I also have a few friends with some sbc headers kicking around. I would like to have an idea of what I'm looking for befor...

Laurentian 57 · Laurentian 57

Hi What kind of spark plugs and spark plug cords for my 6 cyl 261 ? have you a reference? Hard to find in Belgium. Pierre

davelacourse · davelacourse

Free (for cost of shipping) to good home upper and lower radiator hoses, brand new (OK very slightly used, but not so you would really notice, maybe 10 miles total?) for 1955-56 Canadian Pontiac 6 cylinder motor - the upper had to be carefuly trimmed to fit (that's how they come, waaaaaaaaaaaaaaay lon...

Topic		Started By	Replies	Views	Last Post
	Need help...not getting any fuel... (Preview) So here's my dilemna...put a new fuel pump on my 52 with the stock 239 Flathead, and I don't have enough pressure to run it. I'm running through an electric fuel pump as a back up...could this be restricting the flow? Any ideas? Need her running for the WOW next weekend...Thanx	52poncho	17	1382	Mar 30, 2011 by Rolilk
	zenith carbs (Preview) I am planning an old school mild custom for my '52 and I have a couple of books printed in the '50's that talk about "souping up" the stock inline 6. In both books they mention replacing the original Rochester carbs with Zenith carbs when moving to a two carb or three carb set up. Now, my quest...	Jughead	10	2289	Mar 14, 2011 by CdnGMfan
	1957 261 inline six redline (Preview) I hope this does not seem too retarded a question. I was wondering if anyone out there knew what the realistic RPM redline is on a 1957 or early 261 inline six cylinder motor is. My motor was rebuilt stock and the only modification is the Pertronix electronic ignition conversion. I run the original 3 spe...	long stroke	10	2842	Mar 7, 2011 by mr57
	1952 hyrdaglide transmission (Preview) Hi guys I was hoping someone would have a starting point for parts for my '52 tranny. I've lost low gear and reverse just the other day (I had to push it back into it's parking spot, I had no idea my parkade was that sloped!) It sat for many, many years before I purchased so I'm hoping just the seals have gon...	Jughead	4	1428	Feb 13, 2011 by Rolilk
	clutch & brake pedals (Preview) Finally got to the cluthch & brake pedals that I got from Carl Stevenson's son last mth. They were out of a malibu & they fit up under the 52 dash not too bad, but "appear" to be a "little" short!!! My wife says thats fine for her as Janice is only 5'2" & look like the...	dualquadpete	7	1642	Feb 5, 2011 by Canadian Poncho
	Canadian cast iron PowerGlide rebuilt ( 1 2 ) (Preview) I think a thread on how to rebuilt a PG maybe interesting for some in the forum. All the picture following are with a Canadian (1953) PG already removed from the car. The major difference with the Chevy cast iron PowerGlide is mostly the bellhousing because of the starter side. At first, help yoursel...	Fitz	44	11937	Jan 30, 2011 by Beaumont4008
	Chevy 235 into a 52 Pontiac?? What issues? (Preview) Hey there...I am a proud owner of a 52 Pontiac Fleetleader Deluxe 2 door sedan. I am currently running the original drive train, but am thinking of upgrading the engine. I have at my disposal, a couple 235 Chevy engines from my 57 Chevys, and was thinking of using one of these. I absolutley love my 239...	52poncho	3	1433	Jan 29, 2011 by dualquadpete
Nov 18 to Dec 2 Black Friday UP TO 50% OFF Plus Huge Coupons
	Tranny options for 287 CI Pontiac motoe (Preview) Has anyone put in a late model Automatic transmission into their 287 Cubic Inch Poniac motor that they would recommend? I have a 1955 Chieftain Catalina that I am looking to upgrade the transmission on as the present one is really clunky. Thanks, Derek	poncho55	3	1871	Jan 6, 2011 by poncho55
	Curious about Canadian 261's ( 1 2 ) (Preview) Hi guys! I'm from the States, and I've been around old Chevy's all my life. I've had seven '53 and '54 Chevys most with 235's. My current Chevy is a '53 210 with a U.S. 261 in it that came out of a 1959 2-ton truck. I have some questions about the Canadian 261's that came in Pontiacs. Maybe someone here ca...	rrausch	33	6604	Jan 4, 2011 by vanherk1
	swapping 261 for a 350 (Preview) the old 261 in my 57 pathfinder is a little tired. I have a good 350 kicking around and I thought I would put it in while I get the 261 freshened up. The question is, what will it take to put that 350 in? Will it bolt up to the 6 cyl std. bell housing? I don't want to spend too much as the 261 will go back in,...	muskegdon	10	3339	Dec 13, 2010 by rrausch
	1952 flat six overheating (Preview) hey everyone: i have had the radiator recored, taken out the thermostat and still I am overheating. I installed a rebuilt water pump about 2000miles ago. A mechanic just told me that if the vacuum advance is not working properly this could cause the overheating problem. Any thoughts on this? I...	wwdaze	14	2133	Dec 6, 2010 by Fitz
	51 Fleetleader flathead 6 - stalling when hot and under load (Preview) When the engine is hot and under load, it stalls out and won't start until it cools down. Will start good when it's cool but then stalls out again after running and under load. Any suggestions what could be causing this situation. I have checked the fuel filter, fuel pump and has spark. The engine ru...	51Poncho	2	1471	Sep 7, 2010 by Fitz
	1954 Pontiac 3 Speed swap (Preview) Hello, what newer transmission (manual or auto swap) would most easily fit on the 1953/54 Pontiac straight 6 that originally had the 3 speed manual? I have two bell housings one for Canadian pontiac and one for the American Pontiac. The car has it orginal torque tube removed; it is basically setup li...	chevy11	0	1154	Aug 27, 2010 by chevy11
	1957 261 six information (Preview) I have a beautiful 1957 Pontiac Pathfinder Deluxe sedan that i have restored original. The car has a 261 inline but i am not so sure that this is the original 261. I know this is a 261 because of the steam holes in the head and block. This motor has bosses in the sides for side motor mounts. Because of this i su...	long stroke	6	1954	Aug 26, 2010 by long stroke
Nov 18 to Dec 2 Black Friday UP TO 50% OFF Plus Huge Coupons
	QUESTION FOR A MOTOR FROM 1956 (Preview) I WAS WONDER HOW CAN I IDENTIFIED A 261 FROM A 235 I HAVE NO IDEA WHAT I HAVE IN MY CAR I DID NOT SEE THE BARS IN THE MOTOR, WHERE THERE ARE LOCATED? THE ONLY THING I FOUND IS THIS NUMBER 3835913 GM WELL AT HIS MOMENT IM CONFUSING IF MY CAR HAS A 261 OR A 235 ANY WAY TO FIN OUT? IS THIS NUMBER HAS ANY MEANING TO YOU? THI...	alexpertkustompontiac1956	12	5562	Aug 24, 2010 by dualquadpete
	Problem with bellhousing - HELP ! OK problem solved (Preview) I am committed to installing my BBC in my 56 using original V8 bellhousing and newer stick shift, and as I began to mock up the assembly (all reports are that I will need to dent the firewall and I want to figure out exactly where - I am using a foam mock block for the mockup) - I went to bolt the rear mounts to t...	davelacourse	3	1938	Jul 29, 2010 by davelacourse
	55 56 57 265 and 283 engine colour (Preview) Now that cruise season is back can I ask all members to be on the lookout for original looking and even restored 55 to 57 V8 Canadian Pontiacs. I would like to complement the 261 colour reference tread in the Library with a similar one fro the V8 cars in 55, 56, 57. We need engine compartment photos and mode...	73SC	3	3004	Jul 27, 2010 by Laurentian
	Header fitment for sbc 350 in 56 Laurentian (Preview) I am wanting to put headers on my 56 Laurentian. Is there specific measurements or numbers that I could look into so that if I were to order some I would know beforehand if they would fit. I also have a few friends with some sbc headers kicking around. I would like to have an idea of what I'm looking for befor...	Poncho Jode	5	1675	Jul 27, 2010 by 427carl
	spark plugs and cords (Preview) Hi What kind of spark plugs and spark plug cords for my 6 cyl 261 ? have you a reference? Hard to find in Belgium. Pierre	Laurentian 57	5	1744	Jun 25, 2010 by seventy2plus2
	Free radiator hoses 55-56 six (Preview) Free (for cost of shipping) to good home upper and lower radiator hoses, brand new (OK very slightly used, but not so you would really notice, maybe 10 miles total?) for 1955-56 Canadian Pontiac 6 cylinder motor - the upper had to be carefuly trimmed to fit (that's how they come, waaaaaaaaaaaaaaay lon...	davelacourse	20	1989	Jun 23, 2010 by Poncho Jode
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