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Old 02-05-2010, 12:27 AM   #21 (permalink)
Domman56
Master EcoModder
 
Join Date: Dec 2009
Location: Lancaster Ca
Posts: 362

Tank - '76 Chevy El Camino Classic
90 day: 25.89 mpg (US)

Sabrina - '91 Mercedes Benz 190 E
90 day: 37.07 mpg (US)

Angel - '88 Mercedes-Benz 420SEL
Last 3: 23.01 mpg (US)

Quicksilver - '04 Mercedes-Benz CLK55 AMG Cabrio
Thanks: 52
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Quote:
Originally Posted by Milwaukee View Post
intake and exhaust is stock


it have rustproof stuff under so it be tough to clean off.


Would 4.10 to 3.73 be huge difference? I found them for free but still want 3.55 so I can cruise on highway faster and get little better mpg.
If it has the same kind of setup as the 460 The intake is Purposely restrictive So that it'll quiet down the motor

So i'd suggest trying an Open element style intake or a cold air intake.

Exhaust what i would do is put a flowmaster or two flowmaster 2 chambers under it with turndowns aat the rear axle (I can't garuntee these will work because others on the forum will contradict it but I'm just saying what has worked for me)

__________________


Tank:
(No actual EPA numbers for car just used F/E numbers when i first got it)
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