#21  
Old 07-02-2019, 01:33 PM
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LiL Jack LiL Jack is offline
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We did that to Jakes heads. 🤘Hoping it works well with a 4-500 hit.

Brian
U using a progressive?

Fogger?

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First Pontiac powered street car in the 7's

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  #22  
Old 07-02-2019, 01:42 PM
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I think you are right in the ball park, if it can run under power all the way through.
Are we going to find out at World Cup???

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ET/mph talks, bullchit walks.
6.98 @ 199mph
4.53 @ 164mph
  #23  
Old 07-02-2019, 07:14 PM
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BADDTA BADDTA is offline
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U using a progressive?

Fogger?
Yes. Progressive & Grid. Sledgehammer with Steve’s tunes 🤘

Brian

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  #24  
Old 07-02-2019, 08:00 PM
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Are we going to find out at World Cup???
I only have 4 spare pistons

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First Pontiac powered street car in the 7's

7.940@170.84. 3460#s
  #25  
Old 07-02-2019, 08:06 PM
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I only have 4 spare pistons

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Quote:
Originally Posted by PontiacMatt72 View Post
ET/mph talks, bullchit walks.
6.98 @ 199mph
4.53 @ 164mph
  #26  
Old 07-02-2019, 09:42 PM
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Jeff Kinsler Jeff Kinsler is offline
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We did that to Jakes heads. 🤘Hoping it works well with a 4-500 hit.

Brian
It will be fine!!! Spray that mfer!!!

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  #27  
Old 07-03-2019, 07:43 AM
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grandville455 grandville455 is offline
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7.23

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  #28  
Old 07-03-2019, 09:32 AM
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65nss4spdGTO 65nss4spdGTO is offline
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That was such a good little cylinder head.

With the insert to make head gaskets live longer would be a nice addition.
Kinda funny how some people said the insert wouldn’t work when I first posted the modification, now others have copied it.

It simply works!

Calvin Hill
Hill Performance
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  #29  
Old 07-09-2019, 09:52 PM
Scott Roberts Scott Roberts is offline
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I say 7.30 because you coast the last 320..... Boom.

  #30  
Old 07-09-2019, 10:07 PM
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I say 7.30 because you coast the last 320..... Boom.
I would just turn the Nitrous off at 1,000’

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First Pontiac powered street car in the 7's

7.940@170.84. 3460#s
  #31  
Old 07-09-2019, 10:11 PM
Scott Roberts Scott Roberts is offline
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I would just turn the Nitrous off at 1,000’
Just messing with you LJ.... I'm sure you have a good handle on the tune. I'm gonna say 7.13 ....

  #32  
Old 07-09-2019, 10:38 PM
Scott Roberts Scott Roberts is offline
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Do some dumb chit like I have done...remove the rev limiter and throw another stage at it around the .660..go big! It should take 9600 rpm..

  #33  
Old 07-09-2019, 11:58 PM
Mark G Mark G is offline
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7 flat ..

  #34  
Old 07-10-2019, 12:39 AM
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Stan Weiss Stan Weiss is offline
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Around 7.20 and around 190 MPH.

Stan
Quote:
Originally Posted by LiL Jack View Post
I would just turn the Nitrous off at 1,000’
If you just turn off the nitrous, but the engine is still accelerating the car I don't see it hurting the et that much. It will hurt the MPH more.

7.24-7.25 @ 185 MPH

Stan

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