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Forum: Pontiac - Street 09-11-2024, 10:36 AM
Replies: 180
Views: 11,074
Posted By J.C.you
It’s called hot rodding 101. Nit picking in my...

It’s called hot rodding 101. Nit picking in my opinion. That type stuff is minor. Cleaning up a valve pocket.
If I wanted a set of faux pas aluminum 48s for instance to get 75-100 more hp out of my...
Forum: Pontiac - Street 09-11-2024, 07:13 AM
Replies: 180
Views: 11,074
Posted By J.C.you
Define “production pistons “ are you talking...

Define “production pistons “ are you talking about oem stock pistons?
Forum: Pontiac - Street 09-09-2024, 08:21 PM
Replies: 180
Views: 11,074
Posted By J.C.you
I believe it’s the valve placement deal and nit...

I believe it’s the valve placement deal and nit picking like old women.

Give the guy some credit, he’s already brought two heads to the Pontiac market with success.
Forum: Pontiac - Street 09-09-2024, 03:09 PM
Replies: 180
Views: 11,074
Posted By J.C.you
Just sold set 722s 5k ported ready bolt on, set...

Just sold set 722s 5k ported ready bolt on, set up for roller for reference.
I’m sure Don can put any size valves within reason in the heads, making moot of reliefs question.
I had small valves...
Forum: Pontiac - Street 09-02-2024, 11:10 PM
Replies: 6
Views: 582
Posted By J.C.you
Anyone modified…

…the older head castings like one pictured with a heat relief slot like the 6x’s? Pontiac engineers must have done some testing and saw positive results to add a heat slot in the 6x’s.
Forum: Pontiac - Race 09-01-2024, 11:35 PM
Replies: 25
Views: 1,477
Posted By J.C.you
Iron only in this class and small Pontiac valves...

Iron only in this class and small Pontiac valves sizes legal.
Forum: Pontiac - Race 09-01-2024, 03:52 PM
Replies: 25
Views: 1,477
Posted By J.C.you
Ok been making some progress. A legal motor and a...

Ok been making some progress. A legal motor and a massaged motor in the works. Going to be a tall order for a unported Pontiac to be competitive in the class with the aftermarket heads legalized for...
Forum: Performance Parts For Sale/Wanted 09-01-2024, 03:39 PM
Replies: 1
Views: 281
Posted By J.C.you
WTB HO aftermarket intake

No heat crossover, maybe one didn’t fit good or poor casting quality.
Forum: Pontiac - Race 08-31-2024, 08:27 PM
Replies: 3
Views: 614
Posted By J.C.you
750-800 depends on compression other stuff too

750-800 depends on compression other stuff too
Forum: Pontiac - Race 08-31-2024, 08:21 PM
Replies: 5
Views: 601
Posted By J.C.you
V-heads?

Red poncho v heads?
Forum: Performance Parts For Sale/Wanted 08-07-2024, 09:58 PM
Replies: 2
Views: 430
Posted By J.C.you
WTB 350 pistons

Forged +.030, thanks in advance.
Forum: Pontiac - Race 07-29-2024, 06:31 PM
Replies: 25
Views: 1,477
Posted By J.C.you
Ok thanks, good info. Only .450 lift max ...

Ok thanks, good info. Only .450 lift max probably do v max lifters and bullet cam
Forum: Pontiac - Race 07-29-2024, 05:27 PM
Replies: 25
Views: 1,477
Posted By J.C.you
Very unlikely unless go out there and dominate...

Very unlikely unless go out there and dominate and pass tech. Die hard Chevy crowd here. One my poncho buddies won several championships in this class years ago. He will help on the car
Forum: Pontiac - Race 07-28-2024, 08:24 PM
Replies: 25
Views: 1,477
Posted By J.C.you
Claimer class

Claimer class
Forum: Pontiac - Race 07-28-2024, 06:22 PM
Replies: 25
Views: 1,477
Posted By J.C.you
That’s a good alternative, maybe go with a light...

That’s a good alternative, maybe go with a light weight .990 pin
Forum: Pontiac - Race 07-28-2024, 06:17 PM
Replies: 25
Views: 1,477
Posted By J.C.you
Not up on the 350 bores, but I heard some of the...

Not up on the 350 bores, but I heard some of the 283 Chevy or Mopar sb stuff may work? Anyone know?
Forum: Pontiac - Race 07-27-2024, 06:33 PM
Replies: 25
Views: 1,477
Posted By J.C.you
Went with the eagle l beams to keep costs...

Went with the eagle l beams to keep costs somewhat in check. Was a trw/seal power 350 piston available with a 1/16, 1/16 ring pack? That’s legal in the class.
Forum: Pontiac - Race 07-26-2024, 10:14 PM
Replies: 25
Views: 1,477
Posted By J.C.you
Another Pontiac dirt track endeavor

Well been out of the loop for awhile but the local track has allowed the 350 poncho motor to complete in a factory stock class. I’m going to furnish a motor for a car. Motor will be +.030 350 with...
Forum: Pontiac - Race 07-12-2024, 10:47 PM
Replies: 27
Views: 2,597
Posted By J.C.you
Since George was ran off, it went down hill. He...

Since George was ran off, it went down hill. He always kept the pot stirring
Forum: Pontiac - Street 07-05-2024, 08:02 AM
Replies: 67
Views: 6,189
Posted By J.C.you
I suppose it could, depending on type channel one...

I suppose it could, depending on type channel one made in the head surface. I’ve been using a small cone end carbide cutter that makes a radius cut instead of a V channel.

Over the years there has...
Forum: Pontiac - Street 07-04-2024, 10:38 PM
Replies: 67
Views: 6,189
Posted By J.C.you
The guy was on to something in my opinion,...

The guy was on to something in my opinion, especially where there is a long squish pad distance from the plug…. Early 67 and older heads. It’s nothing more than a flame slot cut into the head. Flame...
Forum: Pontiac - Street 07-04-2024, 09:00 AM
Replies: 67
Views: 6,189
Posted By J.C.you
I’ve been doing the singh grooves on the old...

I’ve been doing the singh grooves on the old bathtub heads, which seems to help with better burn and less pinging tendencies.
I believe Vizard did some tests on this
Forum: Pontiac - Race 06-25-2024, 07:40 AM
Replies: 10
Views: 1,054
Posted By J.C.you
Spotts has a nice one.

Spotts has a nice one.
Forum: Performance Parts For Sale/Wanted 06-23-2024, 11:38 PM
Replies: 1
Views: 399
Posted By J.C.you
Wtb ported 6x -8 s

Or other similar cc heads. Nice pull offs, aftermarket hardware.
Forum: Pontiac - Race 06-22-2024, 01:27 PM
Replies: 213
Views: 29,062
Posted By J.C.you
Was he able to piece the GTO back together or...

Was he able to piece the GTO back together or start from scratch with another car?
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