Case Study # 86 - simple mods big whp
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From: 2003 Evo VIII - Silver
Originally Posted by coneman
Al, I forgot to ask you, what is the max PSI I can run with this flash? I think you also mentioned using better fuel. What Brand do you recommend. I had 93 octane Mobile gas in the tank yesterday. Thanks again for the new found power. Im the guy who owns the RS in this case study.
on 100 octane or greate race fuel 100% concentration up to 28 psi peak would be fine
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From: 2003 Evo VIII - Silver
Originally Posted by abcdef
hey Coneman, what PSI are you running right now? Are you going to run a 10.5?
I am running 22PSI now. I plan on going to a 10.5 hotside and extrude honeing the manifold and outlet, then ceramic coating it. I will run this tune on race fuel this Sunday at the next autocross and probably turn it up to 23-24PSI depending on the course and the Ambeint air temp.
Originally Posted by thor's hammer
No cat is a simple mod? I guess but it makes the car illegal to drive.
and exhaust in general is illegal as well.... whatwith noise violations and all.
I had my first chance to test my newest dynoflash on Sunday and can say that Al knows what a customer needs. I autocross this car mostly and need the maximum acceleration off a corner to take full atvantage of the EVO's monster grip. Running full 100 octane and 23PSI this car could pull off corners so hard my little 245/45/17 Victoracers would give it up a little in second gear when I hit boost. Time to go with the 285/30/18's. The torque is amazing. After about 10 runs running harder and harder the stock clutch started to slip in third gear in a banked corner. This was the waterford speedbowl in waterford CT., and there are walls everywhere. This was the end of my fun but will try it again next week both at CART and FCSCC. I will have a new RPS cluth and Fidanza flywheel to test it with. Thanks again AL for an awsome tune. I love torque!!!!!!
Well I now have tried the car at 22PSI on 93 Octane Exxon pump gas and the car ran great. It pulled so strong that on Sunday I had the tires spinning at the top of second gear. Although it was wet this has never happened to me before and I have had the boost controlling flash for 4 months prior to this last custom flash. I run a set of soon to be tossed aside Kumho V700 Victoracers 245/45/17 size. The only thing on the down side of this flash is that the car bucks when you try to feed throttle over a bumpy surface. The site we use for autocross is very bumpy and rough and a few times I tried to feed throttle over bumps at the top of second gear and was greeted with a bucking until I released the throttle completely and fed back into it. Al if you read this can you shead some light on why this is happening? Other than that I love the tune. The car Rips now!! THANKS AL.
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David Buschur
Evo Engine / Turbo / Drivetrain
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Oct 5, 2006 10:33 AM



