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PY Online Forums - Bringing the Pontiac Hobby Together
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Posts Made By:
fireprix
Forum:
69-77 Grand Prix TECH
08-27-2024, 08:44 PM
Replies:
1
73 Grand Prix SJ
Views:
496
Posted By
fireprix
I’d guess it either has the 8.5” 10 bolt or it...
I’d guess it either has the 8.5” 10 bolt or it may have the MP78 Pontiac rear. If the cover has 2 half moon cutouts and a drain plug, it’s the MP78 which is a 12 bolt carrier with a 10 bolt cover....
Forum:
Pontiac - Street
05-15-2024, 10:32 PM
Replies:
36
10 year old new oil????
Views:
2,021
Posted By
fireprix
I have a couple cases of Quaker State Deluxe...
I have a couple cases of Quaker State Deluxe 10W40 from the 80s or 90s unopened. Think it’s still any good?
Forum:
Pontiac - Street
05-02-2024, 10:20 PM
Replies:
2
Gears for 77 gp
Views:
865
Posted By
fireprix
Not all 73-77 GPs used the 8 1/2” 10 bolt. I’ve...
Not all 73-77 GPs used the 8 1/2” 10 bolt. I’ve had 2 different 75 GPs. One had the 8 1/2” 10 bolt. My current one has the MP 78 sometimes referred to as the 8 3/4” even though the ring gear is 8...
Forum:
Big Pontiacs(including G-body) FOR SALE
05-01-2024, 06:55 PM
Replies:
2
NOS Grand Prix 1973-1977 Window sweeps
Views:
1,032
Posted By
fireprix
P/M sent.
P/M sent.
Forum:
The Body Shop TECH
03-17-2024, 01:07 PM
Replies:
2
75 GP belt line moldings
Views:
715
Posted By
fireprix
Not sure which specific pieces you’re looking...
Not sure which specific pieces you’re looking for. The trim around the quarter glass has a small stainless steel piece that holds the trim together. The trim was stainless steel in 73 and went to...
Forum:
73-77 A-body TECH
03-03-2024, 03:20 AM
Replies:
2
Windshield interchange
Views:
1,202
Posted By
fireprix
Also there’s the radio antenna in the windshield....
Also there’s the radio antenna in the windshield. I think most but not all had them.
Forum:
69-77 Grand Prix TECH
03-03-2024, 02:08 AM
Replies:
8
Downunder 76 GP
Views:
1,639
Posted By
fireprix
My first car in the mid 80s was a 75 Grand Prix....
My first car in the mid 80s was a 75 Grand Prix. I have a different nicer one today. They’re rock solid reliable cars even by today’s standards. A cool classic that’ll basically run forever once you...
Forum:
The Body Shop TECH
03-02-2024, 09:24 PM
Replies:
2
75 GP belt line moldings
Views:
715
Posted By
fireprix
75 GP belt line moldings
Anyone know of anyone who makes reproductions of the factory type with the rubber outside lip? How difficult are these to replace? Any information is greatly appreciated.
Forum:
69-77 Grand Prix TECH
03-02-2024, 09:07 PM
Replies:
2
75 GP Headers
Views:
1,628
Posted By
fireprix
Any updates? 73-77 GP is difficult to find off...
Any updates? 73-77 GP is difficult to find off the shelf headers that fit without a lot of hammer modifications. Even the cheap 3 tube headers require some hammer work.
Forum:
69-77 Grand Prix TECH
03-02-2024, 08:47 PM
Replies:
8
Downunder 76 GP
Views:
1,639
Posted By
fireprix
Sweet ride. Have you made any progress?
Sweet ride. Have you made any progress?
Forum:
Electrical Tech
03-02-2024, 08:38 PM
Replies:
0
Changing from idiot lights to rally gauges
Views:
791
Posted By
fireprix
Changing from idiot lights to rally gauges
I have a 75 GP with idiot lights and would like to change over to the rally gauges including the tach. The 75 Pontiac service manual only shows 1 printed circuit board in the pull out wiring...
Forum:
69-77 Grand Prix TECH
09-03-2023, 12:14 AM
Replies:
5
77 grand prix SJ axle ratio
Views:
2,744
Posted By
fireprix
I think the most common was 2.56. According to...
I think the most common was 2.56. According to the 1975 Pontiac service manual the rear was supposed to be the MP 8 7/8”. This is the rear with the scalloped 10 bolt cover similar to the 8.2” but has...
Forum:
73-77 A-body TECH
04-13-2023, 01:18 PM
Replies:
4
stock rearend
Views:
2,397
Posted By
fireprix
I know this is an older post but I have owned two...
I know this is an older post but I have owned two 75 Grand Prix model LJ. Each was equipped with a 400 4BBL and a 2.56 open differential. The first one I had in the mid 80s had an 8 1/2” 10 bolt...
Forum:
69-77 Grand Prix TECH
08-22-2022, 08:03 PM
Replies:
0
GP Window Sweeps
Views:
1,157
Posted By
fireprix
GP Window Sweeps
Was wondering if anyone has ever replaced the window sweeps on a 75 GP? If so where can you get good fitting ones. It appears aftermarket ones differ from the OEM. I’ve also read it’s a real PITA to...
Forum:
77-81 Firebird & Trans Am TECH
08-22-2022, 07:49 PM
Replies:
21
Aftermarket T-top identification
Views:
6,386
Posted By
fireprix
I have a 75 GP with American T Tops and would...
I have a 75 GP with American T Tops and would definitely be interested in buying a set of seals for them if they were being made. I have read somewhere that since the American and Hurst T Tops were...
Forum:
1982-92 TA & FB TECH
03-24-2020, 06:27 PM
Replies:
5
What did I get?
Views:
6,024
Posted By
fireprix
I also believe the 557 blocks were produced from...
I also believe the 557 blocks were produced from mid 1975-1978 including the 1977 W72. The only non 557 blocks built after 1975 were the 1978-79 W72.
Forum:
1982-92 TA & FB TECH
03-24-2020, 06:17 PM
Replies:
1
Just got an ‘85 TA FI Have a question
Views:
4,336
Posted By
fireprix
As far as I know, there shouldn’t be a whole lot...
As far as I know, there shouldn’t be a whole lot of difference in the air intake system between a TPI Trans Am, Trans Am GTA and a Formula depending on the year. Up to 89 GM used a mass air flow...
Forum:
1982-92 TA & FB TECH
03-24-2020, 05:16 PM
Replies:
4
87 TA question
Views:
5,141
Posted By
fireprix
With all due respect I believe you got this...
With all due respect I believe you got this backwards. On paper the top rated 305 TPI and the 350 TPI horsepower rating difference was not nearly as great as one would think. The torque rating was...
Forum:
THE LOBBY
03-24-2020, 04:34 PM
Replies:
16
Pontiac/Ford Unofficial Partnership?
Views:
1,277
Posted By
fireprix
Lots of good info here. I wasn’t implying Ford...
Lots of good info here. I wasn’t implying Ford and Pontiac worked together to develop this rear. What I was trying to find out was:
1) Did Pontiac possibly give Ford this rearend design in return...
Forum:
THE LOBBY
03-23-2020, 01:01 PM
Replies:
16
Pontiac/Ford Unofficial Partnership?
Views:
1,277
Posted By
fireprix
Pontiac/Ford Unofficial Partnership?
I have had this question for years and was curious to see if anyone knows or has opinions on this.
Most Pontiac fans know that Pontiac’s Ram Air V heads were based off the Ford Tunnelport heads....
Forum:
69-77 Grand Prix TECH
12-30-2019, 01:02 AM
Replies:
10
Does anyone produce a 12 bolt for a 73-77 GP?
Views:
8,546
Posted By
fireprix
These did come in some GPS. My 75 has one from...
These did come in some GPS. My 75 has one from the factory. Aftermarket support is zero. Shame because they’re pretty strong. Mine has 31 spline axles but has C clips. Steepest gears are 3.42. There...
Forum:
Big Pontiac(incl G-body)Parts WANTED
08-10-2018, 09:46 PM
Replies:
0
Wanted: 75 Grand Prix rear right wheel well molding
Views:
337
Posted By
fireprix
Wanted: 75 Grand Prix rear right wheel well molding
NOS or good used. Will buy whole set.
Also ASC American T Tops replacement seals or tops for spares.
Forum:
Big Pontiac (incl G-body)Parts For SALE
09-29-2017, 03:48 PM
Replies:
2
75 Grand Prix parts
Views:
155
Posted By
fireprix
Would you happen to have saved any of the...
Would you happen to have saved any of the wheelwell trim?
Forum:
Big Pontiac (incl G-body)Parts For SALE
09-11-2017, 08:08 PM
Replies:
71
1973 Grand Prix Parting Out
Views:
15,014
Posted By
fireprix
Would you happen to have a nice rear right wheel...
Would you happen to have a nice rear right wheel well molding for a 75 GP LJ? Don't know if they're all the same from 73-77 or not. Thanks.
Forum:
Pontiac - Street
08-07-2017, 06:55 PM
Replies:
11
Speedo calibration
Views:
945
Posted By
fireprix
Thanks for all the responses. It is usually hard...
Thanks for all the responses. It is usually hard for me to get anything done due to a demanding job. It seems to read about 15 MPH too fast at 55-60 MPH clocked with GPS APP but I would have to...
Showing results 1 to 25 of 35
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