65-70 Full Size Power Train Tech Forum

65 SD L79 · 65 SD L79

BBG 0310G E what is this suffix code for? this is a 66 impala rear so he says

Lkjcfarmer · Lkjcfarmer

New to site thanks in advance looking for a fan shroud for my 69 Pontiac 2+2 with a 350 engine or where I could find one

65wagon · 65wagon

any 409 boys here notice the exhaust port size difference between 340 horse and 400 hp, do they have a corresponding manifold size difference like for 65 in particular, I thought there was only one style

68 Grande · 68 Grande

Hi folks, Has anyone ever upgraded a divorced choke to an electric version on a 68 Qjet 7028210EE? I freshened up my 396, and with the rebuild, bolted on an Edelbrock intake with the original Qjet. I used my original divorced choke off the GM intake with a new rod that Edelbrock recommended,...

SGS Welding · SGS Welding

Just in case anyone ever wondered if it was possible to port/grind out those cast iron bosses deep inside the outer ends of rams horn manifolds , it is. Here are a few pics.

koolconvertible · koolconvertible

anyone know the correct connections for heater hoses? i think this is incorrect. Don't be worried about RHD hose direction, no doubt all the same.i have the hose looped because i just had the heater core repaired. The looped connections were going to the heater cor and valve...

dcneric · dcneric

I have looked on line for a prebent 3" exhaust system for my 69 2+2 with a big block. Can't find anything. What are the thoughts on using and modifying a 3" Pypes system for an A body? I just love the look of the sewer pipe exhaust.... Thanks for feedback.

Kevin66427 · Kevin66427

Hey gang! So excited to be finally getting some nice weather. Hope to get the old girl out of her slumber this weekend or the next. I had to give my old battery as an emergency spare when he moved his old Caddy to Florida. He wasn't about to trust the 55 year old generator to make the 2400km trip. This spr...

4SPEED427 · 4SPEED427

I am largely to blame for a bad thread derail in the thread about the nice 59 Parisienne hardtop just purchased by a member. We got into a discussion about engine mounts so rather than more derail it would be better to continue it here. At any rate, my personal experience seems to not be the same as what oth...

4SPEED427 · 4SPEED427

Interesting, I'd never thought before to check the block code on the 283 in my 66. I guess they have no block code. All I have is an engine number so if I want to confirm that the 283 is original to my car, I have to get the GM documents. I just wiped the pad on the front of the block and all that's there is a long nu...

beaumontguru · beaumontguru

I just put in a factory cluster in my 65 chevelle All tested and working great. Car runs up to temp and all gauges are dead accurate. Temp reads perfect, oil as well. My question is: When i turn the key "on" the guages power up-as normal But, when i hit the key to "crank" the temp needle pegs itself violen...

SGS Welding · SGS Welding

My awesome wife is helping me bake the high heat paint on my new 2.5 inch ram horns! I love Christmas!

SGS Welding · SGS Welding

Has anyone bought a flowmaster exhaust in Ontario? priced a kit for my car prices range from $666 to $900 best price was autopartsway.ca but they have none in stock and dont know when they will?? any ideas?? thanks guys Greg

MoboMac · MoboMac

Changing out a factory iron intake for an aluminum.....Do the bolts require a sealer....or just never-sieze? Thanks -- Edited by MoboMac on Tuesday 28th of N...

SGS Welding · SGS Welding

Does anyone know where I can get a 3846563? i need 2 of them. Is there a Canadian source? I dont need them original, aftermarket versions will be just fine! New or used Thanks ,Greg

68 Grande · 68 Grande

Well I am not sure if this thread should be in a different year category of models but here goes! My 1968 Grande Parisienne 396 ignition system has been upgraded along the line somewhere from the regular distributor cap with points / ignition wires to a HEI system. So, firstly, I want to confirm tha...

cdnpont · cdnpont

So, I have a evening drive to complete in the 67 coming up, and it looks like it will drop a few degrees below freezing that night. My cooling system is so efficient, that it never tops 175 when at 50 degrees or so during the day. Down to about 170 at 40 degrees. Never goes over 190 in summer traffic. Can I safe...

JC2+2 · JC2+2

According to '68 GM tune up specs all SBC's used manifold vacuum to the distributor vacuum advance. Not sure about big block. I've tried to set mine up this way and it runs like crap. Hard starting with the low base timing and rough idle due to over advancing. If I run ported with base timing bumped up, I ca...

hutch400 · hutch400

ok so i'm putting a brand new fuel tank on the car and haven't dropped the old one yet but I can't see me using the old sending unit especially since my supplier can get me one for $50 there is the 5/16 and the 3/8 unit though. Currently it's a 283 with a 2 bbl but i'm putting the qjet on it and who knows what else i...

koolconvertible · koolconvertible

hi gurus! mate has a BBC. Numbers tell us 396/427, corvette Any secret way of telling whether a block is 396 or 427 without taking apart and measuring bore? Thanks!

Topic		Started By	Replies	Views	Last Post
	12 bolt stamp (Preview) BBG 0310G E what is this suffix code for? this is a 66 impala rear so he says	65 SD L79	8	1030	Mar 13, 2018 by 65 SD L79
	1969 Pontiac 2+2 350 (Preview) New to site thanks in advance looking for a fan shroud for my 69 Pontiac 2+2 with a 350 engine or where I could find one	Lkjcfarmer	9	1583	Mar 12, 2018 by dcneric
	409 exhaust size difference (Preview) any 409 boys here notice the exhaust port size difference between 340 horse and 400 hp, do they have a corresponding manifold size difference like for 65 in particular, I thought there was only one style	65wagon	0	775	Mar 10, 2018 by 65wagon
	68 Qjet Divorce Choke (Preview) Hi folks, Has anyone ever upgraded a divorced choke to an electric version on a 68 Qjet 7028210EE? I freshened up my 396, and with the rebuild, bolted on an Edelbrock intake with the original Qjet. I used my original divorced choke off the GM intake with a new rod that Edelbrock recommended,...	68 Grande	1	1189	Mar 1, 2018 by 65wagon
	Porting exhaust manifolds (Preview) Just in case anyone ever wondered if it was possible to port/grind out those cast iron bosses deep inside the outer ends of rams horn manifolds , it is. Here are a few pics.	SGS Welding	3	950	Feb 25, 2018 by 4SPEED427
	Big block heater hose connections (Preview) anyone know the correct connections for heater hoses? i think this is incorrect. Don't be worried about RHD hose direction, no doubt all the same.i have the hose looped because i just had the heater core repaired. The looped connections were going to the heater cor and valve...	koolconvertible	15	1109	Feb 24, 2018 by koolconvertible
	B body exhaust 3" (Preview) I have looked on line for a prebent 3" exhaust system for my 69 2+2 with a big block. Can't find anything. What are the thoughts on using and modifying a 3" Pypes system for an A body? I just love the look of the sewer pipe exhaust.... Thanks for feedback.	dcneric	2	1099	Feb 14, 2018 by dcneric
Fall into savings UP TO C $50 OFF Shop now
	Battery size (Preview) Hey gang! So excited to be finally getting some nice weather. Hope to get the old girl out of her slumber this weekend or the next. I had to give my old battery as an emergency spare when he moved his old Caddy to Florida. He wasn't about to trust the 55 year old generator to make the 2400km trip. This spr...	Kevin66427	22	4595	Feb 5, 2018 by 427carl
	65-70 B Body Engine Mounts (Preview) I am largely to blame for a bad thread derail in the thread about the nice 59 Parisienne hardtop just purchased by a member. We got into a discussion about engine mounts so rather than more derail it would be better to continue it here. At any rate, my personal experience seems to not be the same as what oth...	4SPEED427	6	1798	Jan 9, 2018 by 4SPEED427
	66 Block Codes (Preview) Interesting, I'd never thought before to check the block code on the 283 in my 66. I guess they have no block code. All I have is an engine number so if I want to confirm that the 283 is original to my car, I have to get the GM documents. I just wiped the pad on the front of the block and all that's there is a long nu...	4SPEED427	17	2345	Jan 7, 2018 by 4SPEED427
	1965 GM factory temperature guage pins under cranking. NORMAL????? (Preview) I just put in a factory cluster in my 65 chevelle All tested and working great. Car runs up to temp and all gauges are dead accurate. Temp reads perfect, oil as well. My question is: When i turn the key "on" the guages power up-as normal But, when i hit the key to "crank" the temp needle pegs itself violen...	beaumontguru	4	1328	Jan 5, 2018 by beaumontguru
	Christmas Baking (Preview) My awesome wife is helping me bake the high heat paint on my new 2.5 inch ram horns! I love Christmas!	SGS Welding	13	2152	Dec 27, 2017 by 4SPEED427
	Flowmaster exhaust (Preview) Has anyone bought a flowmaster exhaust in Ontario? priced a kit for my car prices range from $666 to $900 best price was autopartsway.ca but they have none in stock and dont know when they will?? any ideas?? thanks guys Greg	SGS Welding	5	1777	Dec 7, 2017 by 427carl
	454 intake question... (Preview) Changing out a factory iron intake for an aluminum.....Do the bolts require a sealer....or just never-sieze? Thanks -- Edited by MoboMac on Tuesday 28th of N...	MoboMac	15	2171	Nov 30, 2017 by 55ken
Fall into savings UP TO C $50 OFF Shop now
	Ram horns!! (Preview) Does anyone know where I can get a 3846563? i need 2 of them. Is there a Canadian source? I dont need them original, aftermarket versions will be just fine! New or used Thanks ,Greg	SGS Welding	6	1231	Nov 23, 2017 by 409Safari
	HEI Ignition (Preview) Well I am not sure if this thread should be in a different year category of models but here goes! My 1968 Grande Parisienne 396 ignition system has been upgraded along the line somewhere from the regular distributor cap with points / ignition wires to a HEI system. So, firstly, I want to confirm tha...	68 Grande	2	992	Nov 22, 2017 by 68 Grande
	Blocking off a rad? (Preview) So, I have a evening drive to complete in the 67 coming up, and it looks like it will drop a few degrees below freezing that night. My cooling system is so efficient, that it never tops 175 when at 50 degrees or so during the day. Down to about 170 at 40 degrees. Never goes over 190 in summer traffic. Can I safe...	cdnpont	18	3112	Nov 10, 2017 by 4SPEED427
	Vacuum Advance - Ported or Manifold (Preview) According to '68 GM tune up specs all SBC's used manifold vacuum to the distributor vacuum advance. Not sure about big block. I've tried to set mine up this way and it runs like crap. Hard starting with the low base timing and rough idle due to over advancing. If I run ported with base timing bumped up, I ca...	JC2+2	10	2212	Oct 28, 2017 by dualquadpete
	sending unit fuel outlet question......replacing it (Preview) ok so i'm putting a brand new fuel tank on the car and haven't dropped the old one yet but I can't see me using the old sending unit especially since my supplier can get me one for $50 there is the 5/16 and the 3/8 unit though. Currently it's a 283 with a 2 bbl but i'm putting the qjet on it and who knows what else i...	hutch400	7	1440	Oct 17, 2017 by hutch400
	Is that a 427 or 396 block? (Preview) hi gurus! mate has a BBC. Numbers tell us 396/427, corvette Any secret way of telling whether a block is 396 or 427 without taking apart and measuring bore? Thanks!	koolconvertible	11	2831	Oct 9, 2017 by 4SPEED427
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