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Forum: 69-77 Grand Prix TECH 11-10-2020, 06:32 PM
Replies: 5
Views: 1,806
Posted By 1977GPX
Hey I appreciate you checking for me. Thank...

Hey I appreciate you checking for me.

Thank you,

Gregg
Forum: 69-77 Grand Prix TECH 11-08-2020, 08:41 AM
Replies: 5
Views: 1,806
Posted By 1977GPX
Thank you..... appreciate your help. Gregg

Thank you..... appreciate your help.

Gregg
Forum: 69-77 Grand Prix TECH 11-07-2020, 08:29 PM
Replies: 5
Views: 1,806
Posted By 1977GPX
1977 400 QuadraJet Air Horn

Hello.....

Does anyone happen to have a 1977 QuadraJet Air Horn that I could purchase? My serial # 17057274...... 1667 ARN

I was in the middle of a rebuild when I found out the Air Horn was...
Forum: Pontiac - Street 09-11-2019, 12:43 PM
Replies: 7
Views: 991
Posted By 1977GPX
I think its 17057274 has another number below...

I think its 17057274 has another number below first of 1667 ARN
Forum: Pontiac - Street 09-11-2019, 12:21 PM
Replies: 7
Views: 991
Posted By 1977GPX
where is it located? I can go take a quick...

where is it located? I can go take a quick look..... Thanks Cliff
Forum: Pontiac - Street 09-11-2019, 12:01 PM
Replies: 7
Views: 991
Posted By 1977GPX
Quadrajet for 461cu Engine

Hello all......

I was wanting advice on putting a Quadrajet on my 461 engine.

current setup:

400 bored and stroked 35 thousands over
Edelbrock Performer RPM aluminum intake
Howards HR 4/7...
Forum: Pontiac - Street 08-01-2018, 11:55 AM
Replies: 8
Views: 735
Posted By 1977GPX
Best Spark Plug for Edelbrock Aluminum heads 72cc

Any thoughts fellow Pontiac aficionados ???? Appreciate it...….Gregg
Forum: 69-77 Grand Prix TECH 03-21-2018, 08:04 PM
Replies: 1
Views: 876
Posted By 1977GPX
Headers to fit 1977 GP 400

Hello All,

Can anyone give me some information on what Make/Model headers work best for my 400. Cylinder heads are D port Aluminum 72cc heads. Appreciate any advice.

Thanks,

Gregg
Forum: 69-77 Grand Prix TECH 03-19-2018, 05:31 PM
Replies: 27
Views: 2,220
Posted By 1977GPX
North, Thanks for your help. I have a friend...

North,

Thanks for your help. I have a friend that has an early 1968 block.....YS stamp so I’m not going to take the chance with my 557 block. Going to store it and push forward with the better...
Forum: Exhaust TECH 03-14-2018, 03:56 PM
Replies: 3
Views: 2,020
Posted By 1977GPX
77 400 Pontiac Grand Prix Headers

Hello All,

Can anyone give me some information on what Make/Model headers work best for my 400. Cylinder heads are D port Aluminum 72cc heads. Appreciate any advice.

Thanks,

Gregg
Forum: 69-77 Grand Prix TECH 03-13-2018, 11:54 AM
Replies: 27
Views: 2,220
Posted By 1977GPX
Thanks ponyakr, Appreciate all the...

Thanks ponyakr,

Appreciate all the information and advice. I'm going to take it all in. I've been researching so much information. Kinda taking the fun out of it.....LOL. Anyway will update...
Forum: 69-77 Grand Prix TECH 03-08-2018, 10:08 AM
Replies: 27
Views: 2,220
Posted By 1977GPX
Dave, I should have mentioned this but...

Dave,

I should have mentioned this but forgot. I have already replaced rear-end with a posi-truetrack I had a reputable guy put it in for me last summer. He assured me it would take the HP that I...
Forum: 69-77 Grand Prix TECH 03-07-2018, 04:54 PM
Replies: 27
Views: 2,220
Posted By 1977GPX
Thank you all for information, A couple of...

Thank you all for information,

A couple of questions............ Do I for sure have a 557 block that is suspect to failure? Is there an easy way to figure out if I have a 557? What exactly fails...
Forum: 69-77 Grand Prix TECH 03-06-2018, 04:29 PM
Replies: 27
Views: 2,220
Posted By 1977GPX
But, I think we can all agree that you need to...

But, I think we can all agree that you need to have it built by somebody who knows & has experience building Pontiac engines. Some Chevy guys can really mess up a Pontiac build.

Good luck with...
Forum: 69-77 Grand Prix TECH 03-06-2018, 04:24 PM
Replies: 27
Views: 2,220
Posted By 1977GPX
I'm looking to have a good solid 450 HP or so...

I'm looking to have a good solid 450 HP or so when I'm done with this rebuild. I want it to run on 89 octane....... I'm not looking for it to be an everyday driver...... just want to be able to drive...
Forum: 69-77 Grand Prix TECH 03-06-2018, 04:11 PM
Replies: 27
Views: 2,220
Posted By 1977GPX
http://forums.maxperformanceinc.com/forums/attachm...

http://forums.maxperformanceinc.com/forums/attachment.php?attachmentid=477430&stc=1&d=1520366998

Picture of my Pontiac
Forum: 69-77 Grand Prix TECH 03-06-2018, 03:55 PM
Replies: 27
Views: 2,220
Posted By 1977GPX
Thanks guys....... Yes I do have the original...

Thanks guys....... Yes I do have the original Pontiac 400 in mine. I have read a lot about all the screw ups by GM back in that era.... I would have been upset to find a different engine than was...
Forum: 69-77 Grand Prix TECH 03-06-2018, 12:40 PM
Replies: 27
Views: 2,220
Posted By 1977GPX
77 400 Pontiac rebuild

Hello All,

I'm new to the forum and want to say hello.

I own a 1977 Grand Prix LJ. I looked for this car for over 20 years. Finally I found the one I was wanting!! It had all the options I...
Showing results 1 to 18 of 18

 
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