FastCarFanBoy
Well-Known Member
WTF 119 mph from a TVS 2650 A10 car? That would be terrible if you were at 9000' d/a. Do you have a way to datalog the car? Have you verified boost psi?
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I guess they don’t realize all the boosted cars run 3.15 gears with the A10.
Going to e85 on our setup gets expensive. The stock injectors are about maxed out. I’ve been warned it’s about $4k to upgrade the fuel system to run e85 and the supercharger???Something is definitely wrong with the tune. If that pulley is spinning, even on 91 octane you are having A/F and/or timing issues. Your car should be way faster, I highly recommend talking to Jon Lund. (and moving to E85)
The datalog for 1 gear showed timing starting at 10 degrees and by the end of the pull it finally spiked to 13.5. I’m not sure if that’s normal for 91 or not.Something is definitely wrong with the tune. If that pulley is spinning, even on 91 octane you are having A/F and/or timing issues based on your mph. Your car should be faster, I highly recommend talking to Jon Lund. (and moving to E85 ;) )
The difference between 91 and 93 is fairly minimal so I would expect timing to be very similar. That could make up a decent amount of power with the added timing. I did speak to someone who made 614whp on 91 with this setup and on the Edelbrock tune. 119 mph to me, doesn’t indicate 600whpI am not sure what the timing threshold is on 91 but last year when I ran 93 octane my Lund Tune/knock sensor would allow 17/18* on my full pulls @ 10psi (Whipple 3.0). I just looked at my 10.20@139mph log. You are correct, now that tuners are requiring full fuel systems for E85, it has driven that cost up. Perhaps others limited to 91 octane can share?
I live in Florida and have a Roush stage 1. It’s been about 92 to 95 degrees everyday here. I have access to 93 octane and was able to see around 14 to 16 degrees in 4th gear WOT pull manual car. (Depending on IAT2 temps.). After I started running boostane I consistently saw timing around 17 to 19 degrees with a noticeable power increase.
I would try boostane or another octane booster and see if this allows for more timing.