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bluto2000gs Total posts: 3300
Carl1996 Other Car Joined: 31 Mar 2004 Location: Lima, NY Age: 53 |
 Posted: Wed Sep 14, 2005 8:40 pm Post subject: Increasing Tranny Pressure |
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I see that the stock line pressure is 96 for our cars. Anyone know of a safe pressure to raise to that will firm up shifts?
I have already shortend shift times, but I want to up the pressure a little.
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BHO sucks. |
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| bluto2000gs Total posts: 3300
Carl1996 Other Car Joined: 31 Mar 2004 Location: Lima, NY Age: 53 |
| Posted: Fri Sep 16, 2005 11:52 am Post subject: |
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| Anyone...Anyone....? |
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| redross17 Total posts: 3600
Brian Ross2004 Grand Prix GTP CompG Joined: 11 Dec 2003 Location: Buffalo Age: 48 |
| Posted: Fri Sep 16, 2005 1:43 pm Post subject: |
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No idea, sorry.
The only thing I can add, FWIW, is that I noticed DHP did not change the max pressure from 96psi--only the commanded shift times..which you already did, so yeah...I got nothin. 
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2018 Acadia
Retired: 2014 ATS, 2004 GTP |
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| studderin Total posts: 6272
John Csotello1998 Grand Prix GTP Joined: 01 Oct 2003 Location: 2nd gear burnouts Age: 42 |
| Posted: Fri Sep 16, 2005 6:41 pm Post subject: |
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have the trans rebuild and remove the wave plates.
then you gert shjift times 0.02 0.03
over normal DHP cars 0.2 sec.
LOL
Whats max psi< I think I heard 96 was for some resone?
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01z28, M6 NA, mullet, T tops, siqqqq |
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| Grandprixgt2132 Total posts: 729
Jon G1998 Grand Prix GT Joined: 12 Nov 2003 Location: Webster, NY Age: 42 |
| Posted: Fri Sep 16, 2005 6:45 pm Post subject: |
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how do u go about checking the tranny line pressure? i dont think my car isnt shifting right. i would like to have it checked.
Jon G
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1998 GrandPrix GT
Stock 1/4 Mile - 15.8
PB NA 1/4 Mile - 13.636@100mph Naturally Aspirated - 1.99 60' blah!
PB Turbo 1/4 Mile - 12.5 @ 114mph with a 2.0 60 ft. letting off 2 times down the track
A special thanks to ZZP, Stattama, and the UNYCGP for my accomplishments!
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| studderin Total posts: 6272
John Csotello1998 Grand Prix GTP Joined: 01 Oct 2003 Location: 2nd gear burnouts Age: 42 |
| Posted: Fri Sep 16, 2005 7:21 pm Post subject: |
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| Grandprixgt2132 Total posts: 729
Jon G1998 Grand Prix GT Joined: 12 Nov 2003 Location: Webster, NY Age: 42 |
| Posted: Fri Sep 16, 2005 7:28 pm Post subject: |
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| can i scan it on my LS1M? |
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| bluto2000gs Total posts: 3300
Carl1996 Other Car Joined: 31 Mar 2004 Location: Lima, NY Age: 53 |
| Posted: Fri Sep 16, 2005 8:40 pm Post subject: |
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| Johnny airbox wrote: | have the trans rebuild and remove the wave plates.
then you gert shjift times 0.02 0.03
over normal DHP cars 0.2 sec.
LOL
Whats max psi< I think I heard 96 was for some resone? |
You may have read it in my original post.
My shift times are programed for faster than the DHP times.
I see that Intense and DHP leave the 96 set from stock. I guess it should stay there. |
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