Track results with my Limited

[Steve Wood]

A big turbo can extend to that range.  We have seen cars run 10.4-10.6 with well ported heads.

As I said, taller tires provide a longer footprint and that is more important than width unless we get ridiculous. This also loads the turbo at lower rpm which gives more torque to launch with

[gusszgs]

Steve, Wallace asks for the tire circumference for their calculation. What I did was go to MT's site and look it up for Jims tire size. I then plugged the numbers in.

Jim, don't be a fukn hero and lock that convertor just to gain a couple MPH. Your solidly in the 11's...and will get faster when the October air gets here. I had a 3400 LU convertor when I ran a 6152...and it didn't last long locked...as I always had Eric lock them for me via his chip. Consult with David before locking it.

I should have mentioned the rear tire size, sorry bout that. Yes, I'm running the MT ET street 255/60 which is approx 27" tall.


Brad, I had no desire to lock the TC for the sake of a couple of mph. The times I'm running are far from 'hero' status. I'm just glad to be going the the right direction again. I've sent Dave an email on what his thoughts were on locking it. I'm pretty sure he was not a fan of locking it. Just wanted to double check. No biggie, I'm fine with it unlocked.


Thanks for the replies guys 







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[gusszgs]

Wallace Racing Calculators... just plug the data in. I'd check the voltage at the back of the alternator.

Checked that just now after work. 14.58 on my digital hand held and around 14.1 on the SM. This is when first started cold.

[Steve Wood]

that is about usual, I think.  I tied a voltmeter into the ecm-ign feed and get about the same voltage as the alternator..an d that feed is what powers the ecm.  I think some ecms are more inaccurate that others when doing the conversion from analog to digital

[TexasT]

http://www.turbobuick.com/threads/displaying-torque-converter-slip-with-the-powerlogger.425906/

Enabling the power logger to give converter slip data.

[Scoobum]

I have a pretty good idea how well a convertor is coupling with the MPH it runs. Our cars should hit about 120-121 at 11.5 with a decent convertor.

[nocooler]

Brad mine was always 116-118mph @ 11.5-11.6 range. That was a 9/11 locked @ 88mph

[Scoobum]

Jeremy...you woulda run about 123 in our fall air up here. Forzfed is in Winnipeg...and he's run some silly MPH. I''ve run 11.5 at 120-121 with this AC convertor on 20 lbs without breaking a sweat in Late September thru October. There's vid of me somewhere leaving from an idle...no tune on the car...20 lbs...and going 12.2 at 117. All the heavy hitters up here wait till October to make their runs.

[gusszgs]

Went back down to TMP yesterday..... .......lord what a mistake that was. It was bloody busy. Made 1 run. I knew there was an event going on but Jesus man.....though t I'd get 2-3 passes in minimum.
I went taking that chance, and wanted to because of the beauty cool air n good track prep.
Oh well, all in all the one pass was 12.0 with the chip in default (TT Alky)
Mind just wasn't focused with the long 3 hr wait    then all of the sudden were running, get ready....motor was stone cold and I'm trying to get a heat cycle through it.
Crappy burn out, left at maybe 2 psi with the boost set at 22-23 60' was close to 1.9.... yuck


Next time will be T&T ONLY.......... .if there's a next time


I was pretty disappointed loading the car up but the 12.0 in default with 22-23 ain't bad I guess with a 1.9 60'

[Just a Six?]

I remember when I used to go years back & they had the OSCA events & there were 300+ cars that all went before any T&T cars. I know what you mean when you say your heads just not into it at that point but they should still have some T&T days this year. I want to get out one of these weekends if everything works out. Been 5+ years since I've been there so it's time to get my shit together!
I could use a boost controller but if not I can probably get 23-24 lbs tuner style if I put a few more turns into the adjustable HD wastegate rod.

[daveismissing]

Local was lamenting this may be the last year for OSCA? Dunno

[good2win22]

Dude... That run on defaults should give you some motivation to keep on keeping on!

[Scoobum]

Dave...if you kept the wastegate hole to no larger than .900...you should be able to hit 28-30 PSI tuner style.

[gusszgs]

Dude... That run on defaults should give you some motivation to keep on keeping on!

Actually very pleased with it Jason thanks. Lots of motivation left for this guy.

[Just a Six?]

Brad I didn't max the hole for the RJC pipe I left at least a solid 1/8" & I'm at 21-22 lbs with 2 turns into the rod. I need a track pass to really see where things are at because the short blips on the 401 don't cut it.