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Search took 0.19 seconds. Search: Posts Made By: Skip Fix
Forum: Pontiac - Street Today, 02:08 PM
Replies: 20
Views: 396
Posted By Skip Fix
Remember with a gear change you will need a...

Remember with a gear change you will need a different posi carrier. 2.41 and 2.56 used on , 2.73 up take another. Having ripped all the ring gear bolts out of my high school Impala not knowing it...
Forum: Pontiac - Street Today, 09:18 AM
Replies: 20
Views: 396
Posted By Skip Fix
All depends how big you go. Even in a low...

All depends how big you go. Even in a low compression 400 6X head mine was fine with a 228/228 @ 0.050 once I got a carb with a better idle circuit
Forum: Pontiac - Street Yesterday, 06:43 PM
Replies: 16
Views: 261
Posted By Skip Fix
Just T the fronts and an adjustable prop valve in...

Just T the fronts and an adjustable prop valve in rear.
Forum: Pontiac - Street Yesterday, 04:55 PM
Replies: 20
Views: 396
Posted By Skip Fix
But with 2.56 gears you can run 130 mph just...

But with 2.56 gears you can run 130 mph just turning 4000!
Forum: Pontiac - Street Yesterday, 03:16 PM
Replies: 20
Views: 396
Posted By Skip Fix
Waste of head flow with that small cam if you do...

Waste of head flow with that small cam if you do that! Heads and cam change as well as an intake change the 78 intake unless massaged will kill flow to E heads.I ran a 72 HO intake on some for awhile...
Forum: Pontiac - Street Yesterday, 03:10 PM
Replies: 16
Views: 261
Posted By Skip Fix
I went a click smaller than 1" for my race car...

I went a click smaller than 1" for my race car manual 4WD. Started with the Strange 1&1/16" MC way too much pedal effort!
Mid 60s after 64 Vettes had 4WD and lots were manual and the 1" MC that...
Forum: Pontiac - Race Yesterday, 10:18 AM
Replies: 13
Views: 494
Posted By Skip Fix
I ran my radial slicks at about 16-18 psi and no...

I ran my radial slicks at about 16-18 psi and no wobble! Within 1/2-1" of body work.
Forum: Pontiac - Street 05-15-2024, 09:55 AM
Replies: 32
Views: 704
Posted By Skip Fix
This is often needed. I smoked a 3.8 drill trying...

This is often needed. I smoked a 3.8 drill trying to prelube one motor a 1/2 " is usually needed and getting 60 psi was doable
Forum: Pontiac - Race 05-14-2024, 07:33 PM
Replies: 13
Views: 494
Posted By Skip Fix
When my TA had the roller cam 5000 stall...

When my TA had the roller cam 5000 stall convertor combo and 1.5 60 ft'd I was using Hoosier 9" radial slicks. They were way more sensitive to track prep than the M/T bias I had been running but did...
Forum: Pontiac - Street 05-13-2024, 09:58 AM
Replies: 10
Views: 349
Posted By Skip Fix
Back in Pete McCarthy's old magazine he had an...

Back in Pete McCarthy's old magazine he had an article on it for a Pontiac. Yes you can measure it. My theory is since the rocker is hitting the valve tip in a different area the actual real lever...
Forum: Pontiac - Street 05-12-2024, 07:48 PM
Replies: 32
Views: 1,531
Posted By Skip Fix
Dennis thanks about the flow difference I have...

Dennis thanks about the flow difference I have seen with big valve D ports to Ho then RAIVs. Never flowed any small valve. In fact just this week gave the #15s I got off the 455 that is in my 78 30...
Forum: 77-81 Firebird & Trans Am TECH 05-12-2024, 12:54 PM
Replies: 13
Views: 503
Posted By Skip Fix
At ACE in the bolt section there are those...

At ACE in the bolt section there are those screws-Very flat head and bottom side is flat and threaded sleeve. Looks like a shorted metal base with no plastic spacer....
Forum: Pontiac - Street 05-12-2024, 12:47 PM
Replies: 23
Views: 1,063
Posted By Skip Fix
I think the big decision comes with how much $ to...

I think the big decision comes with how much $ to freshen the iron heads. As others said tanking, Magging, valve job , guides new valve, springs, porting and you are almost there there for a set of...
Forum: Pontiac - Street 05-12-2024, 12:42 PM
Replies: 32
Views: 1,531
Posted By Skip Fix
Nice. The round ports-even the HO heads flow a...

Nice. The round ports-even the HO heads flow a bunch better untouched than the d ports I've flowed do. Using a flat HO valve also picked up flow in RAIV heads.
Buddy just built a 455 with a big dish...
Forum: Pontiac - Street 05-12-2024, 11:07 AM
Replies: 32
Views: 1,531
Posted By Skip Fix
What did the 197s make?

What did the 197s make?
Forum: Pontiac - Street 05-12-2024, 09:33 AM
Replies: 36
Views: 1,040
Posted By Skip Fix
I opened a case of valvoline racing oil i had had...

I opened a case of valvoline racing oil i had had for a few years and there was a little "sludge" in each quart kind of like cream separating from milk. I decided not to use it .
Forum: Pontiac - Race 05-10-2024, 03:28 PM
Replies: 11
Views: 315
Posted By Skip Fix
I have the 268/272 Hi Torq lobes in my 500"...

I have the 268/272 Hi Torq lobes in my 500" motor. So you are a step bigger
Forum: Pontiac - Street 05-08-2024, 02:48 PM
Replies: 17
Views: 819
Posted By Skip Fix
Cliff interesting how the seat durations are the...

Cliff interesting how the seat durations are the same split as the 0.050 is. Usually seat ends up broader than the 0.050 and less of a I/E split than most folks use!
Forum: Pontiac - Street 05-07-2024, 07:10 PM
Replies: 23
Views: 717
Posted By Skip Fix
If you are tuning with a wide band I think you...

If you are tuning with a wide band I think you will probably see more variation tank to tank using 10% gas week to week, season to season as the fuel blend changes.
Forum: Pontiac - Street 05-07-2024, 07:06 PM
Replies: 26
Views: 787
Posted By Skip Fix
My T2 and Steve Coombs SD worked Holley Street...

My T2 and Steve Coombs SD worked Holley Street Dominator dyno numbers were identical on my pump gas motor in the 78 TA. Previous 455 roller motor picked up at the track swapping a worked Qjet for a...
Forum: 77-81 Firebird & Trans Am TECH 05-07-2024, 02:23 PM
Replies: 13
Views: 503
Posted By Skip Fix
If you open the Shaker it does not matter if you...

If you open the Shaker it does not matter if you use the larger W72 oval inlet. Shoot a picture of where the ring attaches the metal base of the scoop to the air cleaner base. Some of the 77 short...
Forum: Pontiac - Race 05-07-2024, 02:17 PM
Replies: 26
Views: 1,809
Posted By Skip Fix
I would bet though the heat cycling the cast iron...

I would bet though the heat cycling the cast iron vs Epoxy in an exhaust port the coefficients are not the same and would loosen.
Indy Cylinder heads used to do cast iron repair.
Forum: Pontiac - Street 05-06-2024, 07:36 PM
Replies: 58
Views: 2,502
Posted By Skip Fix
Maybe HR lifters? Just checked a friend's new 455...

Maybe HR lifters? Just checked a friend's new 455 with RAIV heads with then new Comp HR cartridge and they are 8.70. Yes a big dish!
Forum: Pontiac - Street 05-06-2024, 06:50 PM
Replies: 20
Views: 876
Posted By Skip Fix
Yea 3lbs seems awfully low to me even for a stock...

Yea 3lbs seems awfully low to me even for a stock pump to put out.
Forum: THE LOBBY 05-06-2024, 03:37 PM
Replies: 21
Views: 620
Posted By Skip Fix
Lifting legs is a learned behavior with a little...

Lifting legs is a learned behavior with a little help form hormones. Hormones gone probably won't.
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