Map tweak needed?
#1
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Map tweak needed?
Hi all, I'm thinking about keeping the blob for a while longer, it's mapped for its current set up to 332bhp, it has a 3" turbo back (decat) cobra system with 5" jap back box and it's horrendously loud, would changing to a 3" turbo back revolution system with 3.5 inch tail pipe require a map tweak?
I can't see why it would and I'm hoping it won't as I'm using the car most days at the minute and it's getting embarrassing
Mick
I can't see why it would and I'm hoping it won't as I'm using the car most days at the minute and it's getting embarrassing
Mick
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Mick
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#9
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Cheers
Mick
#10
Unmapped 12.4s @ 105
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Location: Newcastle. 330bhp-289lb/ft @ 1bar boost - 12.4s @ 105mph
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I'm not on NESF.
But, yeah. The exhaust should be fine, as they are both 3", Revolution might flow a bit better than what you have fitted, not very familiar with Cobra exhausts.
Swapping the headers and up-pipe, may need a map tweek. Reverting back to the OEM airbox certainly will, as the MAF sensor if you still have it fitted will need re-scaling.
If you're running maf-less, I'm not sure. I don't know if the speed density ROM is set calculation's or variable. Ask your mapper if maf-less.
But, yeah. The exhaust should be fine, as they are both 3", Revolution might flow a bit better than what you have fitted, not very familiar with Cobra exhausts.
Swapping the headers and up-pipe, may need a map tweek. Reverting back to the OEM airbox certainly will, as the MAF sensor if you still have it fitted will need re-scaling.
If you're running maf-less, I'm not sure. I don't know if the speed density ROM is set calculation's or variable. Ask your mapper if maf-less.
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robbie1988
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13 September 2015 09:25 AM