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Another Dyno tune for Vortech Tahoe

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Old 07-23-2004, 01:04 PM
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Default Another Dyno tune for Vortech Tahoe

It seems a little slow so I thought Id get some opinions as to what I should be looking for and what adjustments should be made.
My first dyno showed and unimpressive 278 rwhp showing 5.5#
Second showed 309 rwhp with a little lower temp and modded airbox now showing 7#
My new mods will be Thorley LT's, 11#, and alk injection.
Im currently running 14* and would like to stay around there. Im going to keep 100% TQM to buy me some time. Could I run a little more timing?? What boost level should I set the alky to come on at??
Any guesstimates as to what I'll put down??
Thanks
Old 07-23-2004, 02:32 PM
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Originally Posted by greentahoe
It seems a little slow so I thought Id get some opinions as to what I should be looking for and what adjustments should be made.
My first dyno showed and unimpressive 278 rwhp showing 5.5#
Second showed 309 rwhp with a little lower temp and modded airbox now showing 7#
My new mods will be Thorley LT's, 11#, and alk injection.
Im currently running 14* and would like to stay around there. Im going to keep 100% TQM to buy me some time. Could I run a little more timing?? What boost level should I set the alky to come on at??
Any guesstimates as to what I'll put down??
Thanks
With the alky, 93 octane, and 11psi, I'll bet you could go low 20's for first and second gear, then I'll bet 18-20 or so in third.

I'd set it to come on at maybe 3 or 4psi so it doesn't come on until you really get on it, but stays on at the bottom of a shift.

I'd say you'll put down 400-430 hp.
Old 07-23-2004, 03:33 PM
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Thanks Black, That sounds great! I was hoping for 430-450 with the cam so it looks like I should be pretty near my goal.
After that I'll keep my eyes open for a tranny and start the 6.0 buildup. Im interested to hear about your intercooler upgrade and how you feel about the wet kit with a centrifugal
Old 07-23-2004, 03:41 PM
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Originally Posted by greentahoe
Thanks Black, That sounds great! I was hoping for 430-450 with the cam so it looks like I should be pretty near my goal.
After that I'll keep my eyes open for a tranny and start the 6.0 buildup. Im interested to hear about your intercooler upgrade and how you feel about the wet kit with a centrifugal
My intercooler should be here next week. Wish I could afford a wet kit right now.

When are you going to dyno again?
Old 07-23-2004, 06:24 PM
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Originally Posted by Black Blown 02
My intercooler should be here next week. Wish I could afford a wet kit right now.

When are you going to dyno again?
The Thorley's should be here tomorrow. The guy that makes the Alky kits lives 10 min from me, so Im hoping we can get that by the middle of next week and hit the dyno by Fri or Sat of next week. Ive stuck it out so Im hoping for something. I will be pretty pissed if I still cant beat a Lightning, in fact, if that comes to pass I may change my name from greentahoe to greenRCSB
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