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FYI 4.10s do affect your RWHP

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Old 04-18-2007, 07:13 PM
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Default FYI 4.10s do affect your RWHP

Got my car dyno'd today. since my last dyno i have added an under drive pulley, headers and 4.10s!!

i only gained 11 rwhp.

which put me at 350rwhp.

stock i did 339 rwhp.

my buddy that also dyno'd with me (TREV_SS) dynoed 360/372 which when we both dyno'd stock he put 333 and he has the same mods plus 3.42's.
so most deff i should of got better than a 11rwhp gain. i also notice that my car is pinging/detetionin at higher rpm's. so im gonna change my plugs and get a tune.
Old 04-18-2007, 07:43 PM
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isn't it already a known fact??
Old 04-18-2007, 07:53 PM
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There's probably a lot left in the tune...I put headers on my 4.10'd M6 and made 330hp/335 tq...tuned it and made 351hp and 355 tq.
Old 04-18-2007, 08:01 PM
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i need a tune hella bad
Old 04-18-2007, 08:22 PM
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ME TOO on the damn tune.
Old 04-18-2007, 09:17 PM
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does anybody now what kind of numbers you actually lose? like a percentage?
Old 04-18-2007, 09:58 PM
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I was going to re-dyno mine before putting the 4.10s in....but that's not possible anymore since the shop where my car was tuned closed it's doors. So....now I am doing the gears before getting another tune (since the car is running fine), but when the time comes and I get it tuned for more driveability, I won't be able to tell the difference since it will be on a different dyno, oh well...it is what it is once everything is said and done.




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