Showing results 1 to 25 of 128
Search took 0.01 seconds.
Search: Posts Made By: 71Sport
Forum: Pontiac - Race 08-07-2005, 07:17 PM
Replies: 3
Views: 631
Posted By 71Sport
I have been on a waiting list for some time for...

I have been on a waiting list for some time for information from Scat on their intentions for Pontiac cranks. I was called on Thursday and told they will be making both forged and billet cranks for...
Forum: Pontiac - Race 08-07-2005, 06:33 PM
Replies: 5
Views: 376
Posted By 71Sport
autometer gauges

There are several length hoses available for the isolator.
And there are several ways to "extend" the mounting for the probe, including simple pipe nipples available in various lengths.
And I...
Forum: Pontiac - Race 08-07-2005, 01:14 PM
Replies: 4
Views: 373
Posted By 71Sport
set point

depending on your launch each gear will require a different light set point. It's because your reaction times will be different.
1-2 shift will come up quick, so you need to set your light to come...
Forum: Pontiac - Race 08-07-2005, 12:49 PM
Replies: 18
Views: 740
Posted By 71Sport
2.75 first

David .. another way to put your answer is that from a 4:10 rear you now act like a 4:56 in 1st, yet in 3rd you still have a 4:10....
In street clothes your 3:55 will act like a 3:90/4:10 (+/-) yet...
Forum: Pontiac - Race 08-07-2005, 11:43 AM
Replies: 18
Views: 740
Posted By 71Sport
2.75 first gear

I just switched to this set up at end of last year ... three runs and a couple of rods went bye bye so I don't have a lot of data yet.
My 60' went from 1.51 to 1.43 and the car wasn't even runing...
Forum: Pontiac - Race 05-04-2005, 03:04 PM
Replies: 6
Views: 208
Posted By 71Sport
okay, so what about 4.218 bore? What valve sizes...

okay, so what about 4.218 bore? What valve sizes for this application?
Forum: Pontiac - Race 11-22-2004, 07:15 AM
Replies: 13
Views: 253
Posted By 71Sport
I have just switched from the forward pattern...

I have just switched from the forward pattern manual valve body to the reverse pattern for two reasons. First time around I was using the stock shifter (tying to keep it as stock looking as possible)...
Forum: Pontiac - Race 12-29-2003, 04:47 PM
Replies: 13
Views: 243
Posted By 71Sport
These springs seem like something to try ... but...

These springs seem like something to try ... but I am wondering about a more basic thought. How do you determine the pressures required for an application? I don't mean just asking the cam...
Forum: Pontiac - Race 08-14-2003, 06:46 PM
Replies: 26
Views: 452
Posted By 71Sport
When I talked to Goodyear I was told to do a 4...

When I talked to Goodyear I was told to do a 4 sec burnout every time. With my M/T I was told just to get a white trail and rollout ...?
Any differences out there?
Forum: Pontiac - Race 02-09-2003, 05:25 PM
Replies: 29
Views: 408
Posted By 71Sport
you have to go with Kirkey. Can't compare...

you have to go with Kirkey. Can't compare quality. They are a bit more costly initialy. In the long run they are worth it to me.
Forum: Pontiac - Race 02-09-2003, 05:21 PM
Replies: 9
Views: 287
Posted By 71Sport
your best bet is to talk to the tech people at...

your best bet is to talk to the tech people at each of the tire makers. They all seem to have variables, such as car weight, that influence their recommendation.
Also check out the size you want....
Forum: Pontiac - Race 11-25-2002, 04:21 PM
Replies: 3
Views: 242
Posted By 71Sport
This is probably too late, but here is what I...

This is probably too late, but here is what I have learned.
cut only three sides of your trunk and bend down the trunk floor to follow the slope of the tank. Use the straps that are usually...
Forum: Pontiac - Race 09-04-2002, 07:24 PM
Replies: 23
Views: 424
Posted By 71Sport
I have always lashed them hot to get the...

I have always lashed them hot to get the "correct" setting, then I let it sit over night and measure cold for a true cold setting. I use that cold setting from then on.
Forum: Pontiac - Race 08-19-2002, 10:41 PM
Replies: 4
Views: 193
Posted By 71Sport
I agree with the magnaflow. We run 10.7 and the...

I agree with the magnaflow. We run 10.7 and the fuel pressure is rock steady at 7 pounds, has been for 3 years. (no, the gauge isn't broken either ... you guys!). This pump doesn't require a return...
Forum: Pontiac - Race 08-12-2002, 12:14 AM
Replies: 18
Views: 338
Posted By 71Sport
We put the old cam back in, but kept the new...

We put the old cam back in, but kept the new victor intake on. We cold set the lash to 26/24, left the 92 jets in, 37 degree timing ......
Still cannot get back to the 638 HP, or the 607 torque....
Forum: Pontiac - Race 08-09-2002, 11:04 PM
Replies: 18
Views: 338
Posted By 71Sport
We thought about advancing the cam, as much as 5...

We thought about advancing the cam, as much as 5 degrees, but we decided that it couldn't produce the HP we were looking for so why bother? If you think we can "tune" out another 75 - 100 HP then we...
Forum: Pontiac - Race 08-09-2002, 05:50 PM
Replies: 18
Views: 338
Posted By 71Sport
I am running 12.5:1 compression. With gapless...

I am running 12.5:1 compression. With gapless rings we are getting a 4% leakage when hot. Equal across all cylinders (with vacuum pump (smog pump) running.
Forum: Pontiac - Race 08-09-2002, 01:41 PM
Replies: 18
Views: 338
Posted By 71Sport
We replaced the springs along with the cam, have...

We replaced the springs along with the cam, have 225 seat pressure now.
It seems the overlap and bleeding off of cylinder pressure, along with insufficient head flow are leading the list of possible...
Forum: Pontiac - Race 08-08-2002, 08:37 PM
Replies: 18
Views: 338
Posted By 71Sport
I do not run any mufflers, 2" super comps with...

I do not run any mufflers, 2" super comps with 18" extentions (3 1/2" dia.)

Wouldn't the EGT results indicate the combustion?
Or the need to richen the mixture?

I feel the need for speed, so...
Forum: Pontiac - Race 08-08-2002, 04:12 PM
Replies: 18
Views: 338
Posted By 71Sport
Original cam had 110 CL, new cam has 106 CL. ...

Original cam had 110 CL, new cam has 106 CL.

We thought about differing the intake or exhaust, but since we saw NO improvement when we did both we stopped for the night.

Can you expand on the...
Forum: Pontiac - Race 08-08-2002, 11:32 AM
Replies: 18
Views: 338
Posted By 71Sport
Here are the basic’s. 469 cubes, filled block, J...

Here are the basic’s. 469 cubes, filled block, J & E pistons, Eagle rods, Stock crank, RA IV heads ported to flow about 290 CFM (exact numbers not known).

Okay from here we go to the old cam,...
Forum: Pontiac - Race 08-08-2002, 11:32 AM
Replies: 18
Views: 338
Posted By 71Sport
Here are the basic’s. 469 cubes, filled block, J...

Here are the basic’s. 469 cubes, filled block, J & E pistons, Eagle rods, Stock crank, RA IV heads ported to flow about 290 CFM (exact numbers not known).

Okay from here we go to the old cam,...
Forum: Exhaust TECH 08-03-2002, 04:05 PM
Replies: 6
Views: 477
Posted By 71Sport
What was the performance difference between...

What was the performance difference between muffler and no muffler? Some time lapse here ... DOH!
Bruce

[ August 03, 2002, 04:07 PM: Message edited by: 71Sport ]
Forum: Pontiac - Race 08-03-2002, 02:28 PM
Replies: 7
Views: 245
Posted By 71Sport
In the "For Whats its worth" column I had my...

In the "For Whats its worth" column

I had my remote filter mounted on the firewall and was told at the track tech in that this was against the rules (NHRA). I put it back on the fender well to...
Forum: Pontiac - Race 06-03-2002, 09:52 PM
Replies: 18
Views: 492
Posted By 71Sport
Try talking to Mike Stark @ CFM Performance. He...

Try talking to Mike Stark @ CFM Performance. He has a set that he is testing.
Web site is www.cfmperformance.com (http://www.cfmperformance.com)

[ June 03, 2002, 09:53 PM: Message edited by:...
Showing results 1 to 25 of 128

 
Forum Jump

All times are GMT -4. The time now is 08:38 PM.

 

About Us

The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass.

 




Copyright © 2017