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those bullseye turbo do impress me, i just installed A s258 today on a VW 1.8 20v motor with .55a/r great spool up. will run it at 28-30psi on race gas early next week. for now im sold on there product..

it' s a 6 hour drive and we are getting ready for napierville sept 2. have a few issues that we want to fix. i really want to get in the 11.2-11.4 range next time out.

we are running the bullseye S258 with great results, 11.91@117mph@16psi also @16psi with 630cc @3bar we are running 83% duty cycle. the 630cc@100% is good for 650hp so we are making great power at only 16psi. http://www.bullseyepower.com/

we have a 4.30 rear gear going instead of the 3.73 i think that what we got now, to stay in the power band in 4th should help alot. piping will be done, and more boost, i would go crazy with a 11.2 run. thanks for all the good words

mods are 100% stock rebuilt bottom end rebuilt head with 3 angle valve job stock intake/tb stock piping to TB custom garrett 24x12x3.5" FMIC tial Bov tial wg stock exhaust manifold with adapter to fit s258 Bulsleye S258 turbo with .70a/r turbine 3" downpipe and exhaust flowmaster...

Here is a video of our supra running bullseye s258 turbo@16psi SDS em6, 630cc walbro pump, huge garrett 24x12x3.5 fmic with 26x8.5x15 slicks pump gas. last time we did 12.7@112@13.5psi (not 15psi like i posted boost gauge was defect) anyway we are upping the boost to 18-19psi race gas and see...

we are running conservative right now since it's only street tuned, we are running low 11 a/f and about 16 degree total timing at 15psi 94 octane. with 110 octane and 20psi i will try 19-21 total timing and run more 11.5 11.7 a/f. since right now we are 10.9 11.2 a/f.

with the stock clutch we were taking it easy out of the hole so we only got 2.0 60ft wich was really easy coming out, when we raised the rpm the stock clutch fried on the spot.

i got a video but i will wait till next weekend since i should run faster, i will post pics early next week.

We are building this 89 supra 7mgte for fun and so far i think we are doing good. motor is stock but fulyl rebuilt with hks hg and arp studs. stock manifold with adapter plate to fit bigger turbo Bullseye 258 turbo with .70a/r turbine. 3" downpipe custom 24x12x3 fmic tial bov tial WG...