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Forum: Pontiac - Street 02-24-2024, 05:21 PM
Replies: 19
Views: 809
Posted By android 211
Way back Car Craft did a before and after port...

Way back Car Craft did a before and after port match dyno test and picked up 3 hp. I had a '72 cast iron intake with a huge glob of slag inside the #8 port. It was as big as your thumb nail. I...
Forum: Pontiac - Street 02-19-2024, 09:28 AM
Replies: 5
Views: 308
Posted By android 211
I found out about this the wrong way while doing...

I found out about this the wrong way while doing a 400 install on a friends car. Of course we had the wrong flexplate and had to rush ship another one to finish the job except I had to fly home and...
Forum: Pontiac - Street 02-16-2024, 06:43 PM
Replies: 5
Views: 308
Posted By android 211
Flexplate differences

I need to buy a flexplate for a 400 crank. How do I know which one? There is an earlier one and a later one. The hole in the middle is bigger? What year was the change or what casting numbers?
Forum: Pontiac - Street 02-16-2024, 04:39 PM
Replies: 36
Views: 1,612
Posted By android 211
If you have a complete '59 engine then keep it...

If you have a complete '59 engine then keep it together. Once you start swapping part years you run into unforeseen inchangeability problems. You need to figure out your compression ratio and reduce...
Forum: Pontiac - Street 01-29-2024, 03:45 PM
Replies: 19
Views: 1,036
Posted By android 211
We can't run the high compression ratios of the...

We can't run the high compression ratios of the 60s on todays gas so we compensate with more cubic inches. I'd perscribe a repro HO open element air cleaner with drop base. A Rochester. A '72 cast...
Forum: Pontiac - Street 01-29-2024, 03:32 PM
Replies: 21
Views: 1,028
Posted By android 211
Check part numbers but Firebird headers often fit...

Check part numbers but Firebird headers often fit Venturas. I put Hooker headers on a 68 Firebird without lifting the engine. I did remove the starter and the oil filter mount to get them in. I...
Forum: THE LOBBY 01-29-2024, 03:20 PM
Replies: 11
Views: 600
Posted By android 211
I would love to take that car and install 15x6...

I would love to take that car and install 15x6 'big car' Rallye IIs, level it and repaint it earth tones Lime Green like it should be.
Forum: Performance Parts For Sale/Wanted 11-20-2023, 03:16 PM
Replies: 3
Views: 389
Posted By android 211
Any idea the compressed thickness?

Any idea the compressed thickness?
Forum: Pontiac - Street 11-19-2023, 07:10 PM
Replies: 36
Views: 1,714
Posted By android 211
If you have a good compressor you don't have to...

If you have a good compressor you don't have to be an expert to use a die grinder and do some light porting yourself. It is surprisingly time consuming even if you don't go wild. Anyone can...
Forum: Pontiac - Street 10-28-2023, 06:41 PM
Replies: 62
Views: 3,726
Posted By android 211
I might be wrong but I think the '67 HO GTO, the...

I might be wrong but I think the '67 HO GTO, the 4 speed '66 and '67 442 and the L78 Chevelle SS all used the same drop base open element air cleaner from GM. They look cool because they lower the...
Forum: Pontiac - Street 10-24-2023, 01:35 PM
Replies: 25
Views: 1,381
Posted By android 211
I put 1.6 ratio rockers on my '96' head 455. It...

I put 1.6 ratio rockers on my '96' head 455. It has the 068 cam. I think it damaged the valve stem seal; it smoked and I had to pull the heads. What a pain. if you have headers then put the...
Forum: Pontiac - Street 10-24-2023, 01:28 PM
Replies: 23
Views: 1,288
Posted By android 211
I had two 350-2bbl Firebirds. 1968 and a 1969....

I had two 350-2bbl Firebirds. 1968 and a 1969. Both were automatics with tall rear axle ratios. The '68 received headers and duals to replace the single exhaust. Mileage improved from 17 to...
Forum: Pontiac - Street 10-18-2023, 10:15 AM
Replies: 4
Views: 321
Posted By android 211
Literature says ARP con rod bolts can be...

Literature says ARP con rod bolts can be tightened and loosened up to 10 times. Head bolts are so much thicker I wouldn't worry about them.
Forum: SOLD Parts 10-14-2023, 09:54 PM
Replies: 2
Views: 261
Posted By android 211
ARP studs

Please give me a Paypal or check mailing address

Thanks, Andy
Forum: Pontiac - Street 10-04-2023, 04:37 PM
Replies: 61
Views: 3,969
Posted By android 211
I had a small engine mechanic rebuild the 455 HO...

I had a small engine mechanic rebuild the 455 HO in my Trans Am. It was worn out and had a bent rod which he replaced. He did it in his car port. That engine ran great for the 7 years I had that...
Forum: Pontiac - Street 10-04-2023, 04:34 PM
Replies: 13
Views: 641
Posted By android 211
I built a .060 over 400 with 6X-4 heads and the...

I built a .060 over 400 with 6X-4 heads and the Summit 2801 cam, much milder. Log manifolds. My friend had the engine in his '67 LeMans with turbo 350 trans and 2.78 rear. He found it ran fine...
Forum: Suspension TECH 09-26-2023, 02:55 PM
Replies: 11
Views: 935
Posted By android 211
I put one on my '69 GTO and my '72 442. Both...

I put one on my '69 GTO and my '72 442. Both cars also have GM rear bars. The '72 442 came with one; I installed one on the GTO with boxed control arms. I really like the handling and I don't...
Forum: Pontiac - Street 08-29-2023, 11:21 AM
Replies: 75
Views: 5,164
Posted By android 211
I used the MAD relay kit on high and low beams...

I used the MAD relay kit on high and low beams then installed halogen lights on my 69 GTO. Its as bright as most new cars and the light is white, not yellow.
Forum: THE LOBBY 07-26-2023, 02:08 PM
Replies: 26
Views: 2,675
Posted By android 211
I think there was a 'XS' code 400 in late 70s. ...

I think there was a 'XS' code 400 in late 70s. Much more common and likely cheaper when found. IIRC i saw one in a junkyard TA.
Forum: Pontiac - Street 07-18-2023, 02:46 PM
Replies: 9
Views: 620
Posted By android 211
I bought some off of Summit or Jegs I forget and...

I bought some off of Summit or Jegs I forget and they specifically said 'Pontiac' application and the bolt hole was too small. I had to go to a machine shop to drill out the hole; the steel is...
Forum: Pontiac - Street 07-17-2023, 02:33 PM
Replies: 11
Views: 606
Posted By android 211
There's a Nick's Garage episode where he dynoes a...

There's a Nick's Garage episode where he dynoes a 426 wedge with Cross Ram. There was different cross rams too. One had the runners separated most of the length of the tube and another separated...
Forum: Pontiac - Street 07-12-2023, 09:29 AM
Replies: 23
Views: 1,764
Posted By android 211
If you are using a mild street cam that is done...

If you are using a mild street cam that is done by 5500 then factory rods, resized with new bolts will get the job done and cost half what new forged rods will cost. New forged rods sometimes have...
Forum: Performance Parts For Sale/Wanted 07-10-2023, 01:12 PM
Replies: 1
Views: 235
Posted By android 211
PM sent

PM sent
Forum: 68-69 GTO Tempest & LeMans TECH 06-10-2023, 09:15 PM
Replies: 22
Views: 1,207
Posted By android 211
Looking at the air cleaner I think its a 2 bbl

Looking at the air cleaner I think its a 2 bbl
Forum: Pontiac - Street 06-10-2023, 09:08 PM
Replies: 21
Views: 1,135
Posted By android 211
Have you replaced the timing chain? Did you...

Have you replaced the timing chain? Did you install duals to improve the gas mileage? It's a '74 so it has a cold air duct to the air cleaner, very god for MPG.
Showing results 1 to 25 of 500

 
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