'90 Coldside E85 Results

[FormerDatsun510Man]

We have just completed testing the '90 Coldside, which is running the dual injector setup and E85 now. Got a tad over 190rwhp which is about double the stock power. It is running a stock '90 engine (short nose crank and all), Raceland Header and Racing Beat catback exhaust and of course, the FFS Coldside. I put in the 280cc injectors that are the later style as used in the '99-'05 along with an adjustable fuel pressure regulator to allow easy conversion between gasoline and E85. Here are the specs:

Pulley Ratio: 110/65
Adjustable Fuel Pressure Regulator: Vacuum Only, set to 60psi at idle on E85, 25psi on Gasoline
Fuel Injectors: 280cc
Extra Injectors: 750cc/310cc Combo
Main PC Pro File: Main_9093_Ver002
Main PC Pro Settings: 3-3-2 (GB-YB-RB)
Timing Card File: TC_9093_Ver002
Tming Card Settings: 3 (GB) = 5-6 deg retard at 16psi
Max Boost: 16psi

The EGTs were absolutely incredible! They got closer as rpm rose so that they practically overlaid. I believe this shows how well the dual injector setup works. Attached is a comparison dyno showing the E85 setup in blue, 91 octane gasoline in red, and the bone stock setup in green. I have also attached the EGTs on E85.

[Elphaba]

:censored: Darn! I sure wish I could some of that E85 stuff near me.:yes:

[Tom @ Fast Forward]

Dan, BTW, we found the idle/tip in glitch. Idles better than stock now and smooth as glass with gear shifts and/or starts from a stop sign. I would call it PURRRRRFECT. As the stock muffler is only a loss of 2-3WHP, it now has the stock muffler back on to stay. Much more fun to listen to the whine of the MP62.

[miata_racer]

Tom do you sell the parts needed to allow for use of 93 and e85 fuel? I'd like to use both...E85 on track and 93 on the street.

Thanks :)

[Tom @ Fast Forward]

Actually, the only thing that changes with our kit for 93 and E85 is the main injectors and settings on the cards. If I was turning a 1.6L into a track car, it would definitely be on E85. 190 something WHP, loads of torque, light car, quick revving 1.6L, what else would one need. :)