Twin turbo 355 blowthrough on e85, 8psi@5300ft elevation!

 

Nice shakedown run! That's right around where I want to be at around 10 psi.

 

awesome!

 

Was that 138 mph? On only 8 psi? Thats faster than my car on 10

 

Orr looked like 130.8mph.

Impressive on 8psi! Car to share more info and pics of the setup? I really feel like im kicking myself in the *** doing a single. Shoulda did twins like I wanted. Much easier to package on our cars I think.

Jay

 

the mph was 130.8 on that run, later that evening when it cooled down, i got a 131.6mph run as the best for the day on 8psi. My best 60ft was a 1.65, all the rest were in the low 1.70s so im leaving a ton of ET on the table there. The setup is pretty basic, 9yr old eagle forged bottom end(was on 125 shot of N2O before), 10:1cr, edelbrock rpm alum heads, vic jr manifold, 750cfm e85 carb by eric@horsepowerinnovations, rvmvb th-400 with edgeracing "pro-edge" 9.5 3800 stall, 10 bolt with 3.23 gears, 224/230 .545/.545 114lsa crower hyd roller cam(idles like a stock 305 lol). Two ebay gt45s(66mm version of the popular $300 ebay gt45) 46mm gates and 50mm BOV.

 

Nice trap at 8-psi! You must be loving that E85...

 

I love that e85! I have three stations within a 5 mile radius of my house, one of which doesn't change their mixture, it stays 85% or better all year round so no messing with my tune! My intake manifold is cold after a pass and its always between $2.80-3.00/gal, never higher......my friends get butt hurt when I laugh at them paying $10/gal for gas at the track!

 

i may have to send the t76 i just bought back and buy a pair of gt45's instead , i was afriad id have trouble spooling up a pair of them. then again i could just buy another 76 and spin the **** out of the engine

build thread? pictures>?

edit

ahh the 66mm versions , not the 70's what size turbine wheel and housing do the smaller versions have?
i have a pair of 66's on the shelf but decided to try the 76 first , and possibly an 80-88mm turbo later

 

Im using two of these:

http://www.ebay.com/itm/GSP-GT45-T4-Ported-Shroud-Turbo-Charger-AR70-1-00-3-25-V-Band-Twin-Scroll-600hp-/161069314251?pt=Motors_Car_Truck_Parts_Accessories&hash=item25807ab0cb&vxp=mtr

 

Some pics

 

r those the ebay tt headers?

 

Yes they're the ebay tt headers, I paid $175 to my door. All I did was cut the t3 flanges off and put t4s on.

 

thanks i may have another z28 to build and for the price of them its deff worth it compared to my time building another custom set

 

Oh yea definitely worth buying these over the time messing around building your own. The quality of these headers are suprisingly very good....nice welds and THICK flanges and I didnt have to alter them in anyway to fit!

 

That's crazy it runs that fast on just 8psi. Awesome! What are you running for a cam? And that's a pretty impressive 60ft if you're still on the stock 7.5 10 bolt. How much timing are you running under boost with E85?

Just reread the first post and saw cam specs. I think I need to go to bed lol.

 

yea still on the "stock" bolt but with moser 28 spline axles, torsen posi, stud girdle cover, richmond 3.23s, solid pinion spacer, 1350 pinion yoke. All those parts are 8yrs old and have survived a procharger, nitrous and now twin turbos. Im getting a strange s60 here in a couple months and then ill sell the parts from the 10 bolt.

 

Very impressive for such a simple build.

 

thanks man! I try to do my best with whatever my little wallet can get me.