Anyone know the best str???
Thread Starter
On The Tree
Joined: Dec 2001
Posts: 186
Likes: 0
From: San Diego, CA, USA
Anyone know the best str??? Right now I have a Vigilante 3600 2.5 str, I am going with a smaller stall(2800). Should I stay with a 2.5 str or is there something better I should look into?? I don't go to the track so 1/4 times really don't concern me.
Thanks Jason
[ January 27, 2002: Message edited by: superchargedZ ]
[ January 27, 2002: Message edited by: superchargedZ ]
[ January 27, 2002: Message edited by: superchargedZ ]</p>
Thanks Jason
[ January 27, 2002: Message edited by: superchargedZ ]
[ January 27, 2002: Message edited by: superchargedZ ]
[ January 27, 2002: Message edited by: superchargedZ ]</p>
TECH Senior Member
Joined: Nov 2001
Posts: 9,246
Likes: 3
From: Troy, AL
Re: Anyone know the best str??? Well, if you don't go to the track and especially if you don't use slicks or at least street slicks, a high STR only means more tire spin for you.
Moving to drivetrain... <img src="gr_stretch.gif" border="0">
Moving to drivetrain... <img src="gr_stretch.gif" border="0">
Re: Anyone know the best str??? When they restall it, it is possible that they will only change the pump; therefore your STR may not change a lot. I would have them give you a standard Vig 2800 if there is any choice.
Re: Anyone know the best str??? Precision is very "cookie cutter" in their approach to building converters. First, only one of their converters achieves a 2.5 STR...the Vig 4000 which uses the #8 pump with their standard 082 Stator (S-10 stator) that they use in everything. The Vig 3600 is a #7 pump with an 082 stator that has a STR of 2.37 (as rated on GM's $1 million transmission dyno). The Vig 3200 has a STR of 2.18 and the Vig 2800 is around 2.0. As you can see, by using the same stator in everything, you can't change around STR much when all you're doing is changing pumps to raise or lower stall.
Don't expect Precision to know how to modify STR. They say all their converters have a 2.5 STR, but that's just marketing BS. Don't get me wrong, their converters work well...just don't expect the same kind of custom tweaking to STRs like you would get at Yank.
So to answer your question...when you have your stall lowered at PI, you're pretty much going to be stuck with the same STR that come with all Vig 2800s. Hey, what did you want for free anyway? <img src="gr_tounge.gif" border="0">
Don't expect Precision to know how to modify STR. They say all their converters have a 2.5 STR, but that's just marketing BS. Don't get me wrong, their converters work well...just don't expect the same kind of custom tweaking to STRs like you would get at Yank.
So to answer your question...when you have your stall lowered at PI, you're pretty much going to be stuck with the same STR that come with all Vig 2800s. Hey, what did you want for free anyway? <img src="gr_tounge.gif" border="0">
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2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
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2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2022 Cadillac Escalade 6.2L A10 S&B CAI, Corsa catback.
2023 Corvette 3LT Z51 soon to be modified.
Custom LSX tuning in person or via email press here.
