Home Menu

Menu


          
PY Online Forums - Bringing the Pontiac Hobby Together > Search Forums > Search Results
Page 1 of 3 1 23
Showing results 1 to 25 of 61
Search took 0.03 seconds. Search: Posts Made By: Skippy597
Forum: Pontiac - Street 11-02-2023, 09:30 AM
Replies: 12
Views: 562
Posted By AG
I ran a 11.5x15x28 tire on an 8" rim and it...

I ran a 11.5x15x28 tire on an 8" rim and it needed a 5" BS in my '65 LeMans.
Forum: Pontiac - Street 10-27-2023, 09:19 AM
Replies: 38
Views: 1,843
Posted By 78w72
Agreed the bigger pump to carb line isnt always...

Agreed the bigger pump to carb line isnt always required, but, if you have a Q-jet & dont care about an original looking/size line, using a 1/2" or -8 AN line will provide a little more fuel from...
Forum: Pontiac - Street 10-27-2023, 07:46 AM
Replies: 38
Views: 1,843
Posted By Formulajones
Ive done 3/8 from the pump to carb or the...

Ive done 3/8 from the pump to carb or the regulator to carb to make things look stock and works fine. 1/2" is always better but the most important thing with a mechanical pump is having the larger...
Forum: Pontiac - Street 10-26-2023, 03:52 PM
Replies: 25
Views: 1,478
Posted By 1968GTO421
My thanks to Skippy597 for starting this...

My thanks to Skippy597 for starting this informative thread and thank you to all who have posted here. I have several different cams on my garage shelf and now think I should also carefully think...
Forum: Pontiac - Street 10-25-2023, 10:32 AM
Replies: 25
Views: 1,478
Posted By Jay S
Just chasing after HP or ET swapping rocker...

Just chasing after HP or ET swapping rocker ratios often do not work out how you think it would. You don’t know what the engine wants until you try something different. Sometimes you pick up or...
Forum: Pontiac - Street 10-23-2023, 09:33 PM
Replies: 25
Views: 1,478
Posted By steve25
A lot of you folks are bypass the fact that exh...

A lot of you folks are bypass the fact that exh to intake ratios also change when swapping over to higher ratio rockers .
For example, a racing compression ratio in a 455 with it’s faster piston...
Forum: Pontiac - Street 10-17-2023, 12:57 AM
Replies: 63
Views: 3,790
Posted By Jay S
. If you want to keep up with a dual pattern...

.

If you want to keep up with a dual pattern cam that has a bigger exhaust the single pattern needs to be about 5* bigger than the 8* split cams intake duration. The single patterns usually need...
Forum: Pontiac - Street 10-16-2023, 02:55 PM
Replies: 63
Views: 3,790
Posted By Jay S
Tim will tend to pick out a bigger profile that...

Tim will tend to pick out a bigger profile that has more lift on the exhaust. I would have him either keep the lift squared up or put a little less lift and acceleration on the exhaust.

I usually...
Forum: Pontiac - Street 10-16-2023, 01:18 PM
Replies: 63
Views: 3,790
Posted By Steve C.
Offer the compression ratio, intake-to-exhaust...

Offer the compression ratio, intake-to-exhaust ratio, verified installed height, etc
Forum: Pontiac - Street 10-16-2023, 10:05 AM
Replies: 63
Views: 3,790
Posted By Jay S
The Crower 60311 is kind of a next step over a...

The Crower 60311 is kind of a next step over a RA4 HFT cam, but in a mechanical. Depending on which dual quad intake you have, I think a RA 4 HFT cam (SPC-7) would be 490 to 510 HP, the 60311 would...
Forum: Pontiac - Street 10-16-2023, 09:26 AM
Replies: 63
Views: 3,790
Posted By Steve C.
Skippy597 If you call Bullet Racing Cams ask...

Skippy597
If you call Bullet Racing Cams ask for Tim Goolsby at extension 102.

Bullet offers their own design lobes as well as UltraDyne lobes.

Not necessarily a recommendation here but...
Forum: Pontiac - Street 10-13-2023, 09:24 PM
Replies: 63
Views: 3,790
Posted By Steve C.
From the internet. Take it with a gain of salt...

From the internet. Take it with a gain of salt and do your homework on the subject....

"Cryogenics will increase the toughness of the steel and (if performed correctly) increase the fatigue limit....
Forum: Pontiac - Street 10-13-2023, 08:20 PM
Replies: 63
Views: 3,790
Posted By steve25
All of this talk is pointless to me since the OP...

All of this talk is pointless to me since the OP has not given a clue as to how much HP he’s looking to make.

To me if the number in his head is 550 or over I would go with a roller , if it’s...
Forum: Pontiac - Street 09-24-2023, 07:57 PM
Replies: 38
Views: 1,843
Posted By Formulajones
Like has been mentioned, most will get away with...

Like has been mentioned, most will get away with smaller 3/8 line and never know there is a fuel delivery problem on the street, as most here don't bother or even worry about track performance, but...
Forum: Pontiac - Street 09-24-2023, 10:20 AM
Replies: 38
Views: 1,843
Posted By 78w72
Myself & many others have used the common...

Myself & many others have used the common carter/edelbrock mech pumps that are rated at ~120GPH that support 500 hp engines. My 467 engine dyno'd on a "strict" crank dyno at ~520hp using an...
Forum: Pontiac - Street 03-06-2023, 08:25 PM
Replies: 85
Views: 8,604
Posted By racerboy
Look what arrived today! ...

Look what arrived today!
https://uploads.tapatalk-cdn.com/20230307/167e40ff5325beb3bbd342e3e5270446.jpg
https://uploads.tapatalk-cdn.com/20230307/d0314052145c5e05f079c097134ef2e4.jpg...
Forum: Pontiac - Street 11-24-2022, 06:37 AM
Replies: 16
Views: 2,370
Posted By 25stevem
Also keep in mind that if your open spring...

Also keep in mind that if your open spring pressure gets to over 600 you must run a 3/8” push rod with a .135” wall thickness if you don’t want to end up with S shaped push rods at some point in...
Forum: Pontiac - Street 11-21-2022, 01:50 AM
Replies: 47
Views: 4,654
Posted By surfsama
Sure: 428+.030, stock crank (cleaned and...

Sure:
428+.030, stock crank (cleaned and prepped), stock length maxxlite rods, Icon pistons, first generation edelbrock 72cc heads ported by SD Performance 315 cfm configuration, SD Old Faithful V...
Forum: Pontiac - Street 11-18-2022, 11:31 PM
Replies: 47
Views: 4,654
Posted By tom s
Just put my 455 WS 69 engine back in my 69...

Just put my 455 WS 69 engine back in my 69 Bird.4.21 3 in crank,bone stock 48s with 3,31s in the back and a TKO 500.Hope to fire it up tomorrow.Tom
Forum: Pontiac - Street 11-18-2022, 10:42 AM
Replies: 47
Views: 4,654
Posted By Skip Fix
I think a 6.625 vs a 6.8 is not even going to...

I think a 6.625 vs a 6.8 is not even going to measurable on the dyno nor at the track all things else the same.
Forum: Pontiac - Street 05-16-2022, 10:29 PM
Replies: 20
Views: 3,041
Posted By b-man
Thumbs down We’re done here.

We’re done here.
Forum: Pontiac - Street 04-18-2022, 09:49 PM
Replies: 30
Views: 3,058
Posted By Steve C.
This might be of interest... Low compression...

This might be of interest...

Low compression 400 camshaft

https://forums.maxperformanceinc.com/forums/showthread.php?t=846007


.
Forum: Pontiac - Street 04-18-2022, 09:48 PM
Replies: 30
Views: 3,058
Posted By Jay S
Lunati 703 advanced to 104 ICL would be a great...

Lunati 703 advanced to 104 ICL would be a great cam in that as long as you end up with 3.50 gears, the 702 would work better with the 3.23s. You could also do Rhoads v series lifters if the 703 is...
Forum: Pontiac - Street 04-12-2022, 07:33 AM
Replies: 12
Views: 1,206
Posted By 67Fbird
i'll stab at this.... A 400 with a taller RAIV...

i'll stab at this.... A 400 with a taller RAIV cam would be FUN....just depends on the TOTAL COMBO
no stall and 3.23 rear = DOG
2600 stall and 3.73 rear = FUNNNN
small cam no stall, 3.23 gear =...
Forum: Pontiac - Street 02-15-2022, 01:06 AM
Replies: 3
Views: 575
Posted By b-man
Yes. All the aftermarket heads use the 1965...

Yes.

All the aftermarket heads use the 1965 and later intake manifold bolt pattern.
Showing results 1 to 25 of 61
Page 1 of 3 1 23

 
Forum Jump

All times are GMT -4. The time now is 03:35 AM.

 

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.

 




Contact Us Home
Copyright © 2017