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Hey guys, I have an S650 with a Whipple Stage 2 and a few other goodies. The car dyno’d 761 whp on pump gas, and I’ll soon be testing the return-style fuel system with E85 and a 3.5” pulley. As far as suspension goes, I’m running all Steeda parts: Ultimate Drag Stop the Hop Kit, front G-Trac...

Hey, I'm buying a couple of Hoosiers 28-10 / 18 bias ply drag slicks for my S650. Any idea on how much psi do I need to put on those tires? I'm currentky using M/T Street Rs @ 15 psi

I'm currently running 275/35/19 Fronts and 305/35/19 Rears but I have a set of 305/45/18 drag radials for the rear that I plan on using for the dragstrip. Given the height and circumference difference between the fronts and rears with the drag radials, should any adjustments need to be made to...

Hey, I just bought a CF hood and hood pins as suggested by Anderson Composites. Can anybody help with the exact Pins location on the engine bay of an S650?, because I havent found anything specific for that generation.

Hey, take a look at the charts and please provide comments on the results because they seem pretty low for what I was expecting based on the mods and other dyno runs. I know results depend on the dyno used and ambient conditions but lets take the results as an order of magnitud more than as an...

What sort of temps are you guys having on your cars? I'm seeing 830 celcius (1526 farenheint) @ the cat converters on a stock exhaust manifold and a NA setup. If you are boosted it'll be helpful aswell. Cheers,

2024 S650 Performance Package Current mods: AWE Switchpath Catback K&N typhoon CAI Steeda Progressive Springs Steeda Stop the hop kit Steeda 1" spacers Night pony package emblems PPF roof and mirrors RTR wing Mods soon to be installed: Kooks 1 7/8 LTH Whipple Stage 2 SC QA1 Carbon fiber driveshaft

Does anybody knows if there are opened side air vents (dark horse style) for the GT?... I know RTR front grill has them but I don"t like the lights in there. I just want a pair with the honey comb grill removed.

This is what I get after almost an hour of heavy traffic averaging about 16 mph. Air intake temperatures are sky rocketing at iddle now that I have installed K&N Typhoon CAI, they come down pretty fast once I get moving. Is this normal?....

Since I'll be installing kooks LT, I dont want under the hood temperatures to increase so I'm evaluating ceramic coating for the headers. I've heard that swain tech white lightning is among the best options but there is also jet hot and cerakote. Anyone has any experience with any of those?