General Discussion Area > Corvette Related Chat
HELP....my so called performance slug
reserved:
;48
Oops sorry Cam
I didn't see your post.
:mmm;43;mmm
77CVT:
--- Quote ---no didnt set fuel reg on dyno...but i took her to track a while ago before i changed gears ratio to 3.73s, throttle body 52m, cold air, an fuel reg an she ran a 14.60. now thats slow but i didnt think that bad for stock. i wil def run her as soon as i can an let u's all kno
--- End quote ---
You should go lower than that. Practice with different launch rpm's. I can't launch over 800rpm or it goes sideways into 2nd. Mind you I have crap tyres.
Are you holding 3rd gear or into o/d? with 3.73 gears I would have though you could go into o/d briefly.
Mr69er, I do 13's and is older than a 90. Can I get away without a skirt? Don't make me spend more $$ and come down there and kick your high 12's azz!! ;--
Vette Obsessed:
--- Quote ---Originally posted by 77CVT
--- Quote ---no didnt set fuel reg on dyno...but i took her to track a while ago before i changed gears ratio to 3.73s, throttle body 52m, cold air, an fuel reg an she ran a 14.60. now thats slow but i didnt think that bad for stock. i wil def run her as soon as i can an let u's all kno
--- End quote ---
You should go lower than that. Practice with different launch rpm's. I can't launch over 800rpm or it goes sideways into 2nd. Mind you I have crap tyres.
Are you holding 3rd gear or into o/d? with 3.73 gears I would have though you could go into o/d briefly.
Mr69er, I do 13's and is older than a 90. Can I get away without a skirt? Don't make me spend more $$ and come down there and kick your high 12's azz!! ;--
--- End quote ---
mrvett, there are alot of variables in getting a car down the quarter so don't consider that the be all and end all at this point (as a side note (and I am open to correction here) I hope you aren't using much more than around 4500rpm before shifting as when my top end was stock I found that didn't help).
Just check the basics like timing, compression, ignition and fuel pressure and then go from there. With your gearing & mods and a good tune you have a fair bit more in the car as it is before you do any other mods in my opinion.
p.s. - 77CVT, I don't think any of the Ratpackians have set an ET starting with a 12 yet (not that I can talk). ;53
SC:
is it worth while trying to set up a day where we could check compressions and ignition timing
a lot of people forget the basic's and there not hard to do
most people know how to do a comp test and timing but just dont have the equipment
the club is about helping each other well here's a chance
I can get hold of timing light, comp gauge and vacuum gauge and fuel pressure gauges
what does everone think
SC:
sorry cam for getting off the subject
its the rat packs fault
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