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It’s back!! Isf turbo build - update


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  • 1 year later...

Still alive, been a fair while since last updated. Ok so it went alright on the dyno, curve itself was a tad laggy. Done what we could with what we had so I decided to downsize the turbo. What a world of difference that made, now full boost down in the low 3000s rpm and powers right through. It doesn’t hit as hard as it did but it comes on a lot nicer but still pulls like a train up top. Current tuning software we’ve pretty much hit the limits so will be exploring ov tuning’s package shortly, also adding a bit more fuel to the system since running out of pressure on stock in tank pump. Has a low timing quite fuely tune in it currently but would have to estimate it’s in the range of high 400s whp to 500s range. Had some pretty close runs out on a few meets where 600-700whp blown ve commodores only seem to get 2-3 car lengths at most. 

Here’s a quick pull on gate pressure about 5-6 psi, 8psi or more and it gets pretty hairy. 
 

 

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