How The Right Wastegate Spring Can Maximize Your Performance!!!

Check out this video of a 500+whp stock block Evo 8 and see how we pick up 500rpm faster spool up with the right wastegate spring for the application.
Want more performance out of your ride?!?! Give us a call at 864-603-2010 and find out how!!!
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SD Racing... no tricks... no gimmicks... no number fudging... just RESULTS!!!

[@tafuentes]

That difference from the wastegate spring swap was so worth it. Good work !

[@sdracingllc1594]

Absolutely! Thank you!

[@lespaulguitarist92]

That evo gotta be a factory freak! 500whp 500tq on a pump gas fp red mustang dyno.

[@sdracingllc1594]

It is a very strong car for sure

[@weduhpeople8504]

Why not a 4 port boost solenoid?

[@sdracingllc1594]

At the power level and boost pressures we're at the isn't an advantage to going to a 4 port over the 3 port. We would have still run into the issue that caused us to change wg springs, which was a mechanical limitation due to the efficiency of the system as a whole.