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#1 |
Registered Member
Join Date: Sep 2001
Location: Fort Walton Beach, Floriduh
Posts: 10
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![]() I was contemplating stepping up to the 75MM throttle body but wondered what sort of gains I could expect with it. I recall reading that 70's flow nearly 700 cfm, wouldn't that be enough for this fairly mild set-up I've got?
David
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David Claflin 1990 Red LX, 5.0, EEC Tuner/EEC Analyzer, daily driver 1988 GT, in pieces 1990 Red Harley FXRS, Andrews EV-3 cam, corbin seat, baby apes, other stuff 2003 Eddie Bauer Expedition 5.4L(wifemobile) bone stock and staying that way |
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#2 |
motors done......woohooo
Join Date: Mar 2002
Posts: 799
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![]() i have a 75mm on my 306 and it seems to like it ive got heads intake cam headers just about everything you can bolt on, so i would go with the larger one your car most likely flows more air than mine and mine likes the 75mm
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#3 |
Registered Member
Join Date: Jun 1999
Location: Walker, MI, USA
Posts: 1,202
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![]() I would Run 70MM if it is Not a Race only car the 75mm might be a bit to much. I know a few Guys that WOULD NEVER put more then 65mm on a 302/306 they Say there is not need at all for a 70mm less it is a Race only car. And I am sure that 75MM is a Bit of Over kill less you Have 430+ or so.
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Engine: steel mounts, Under drive pulleys, K&N, GT-40 Intake ported Lower, No power steering, No A/C, Mac cold intake, 65MM TB, 255 Fuel pump, 24's, AFR 165 58cc, Rocker Arms 1.7with the stock Cam, 1 5/8 short headers, offRoad X-pipe Drive Train: 3.55, T-5 with a Pro 5.0 shifter 12.656@107.71MPH See It at www.T-racing.com/mustang.htm |
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#4 |
Registered Member
Join Date: Nov 2001
Location: Sunny, Hot, Sebring, Florida
Posts: 725
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![]() 70mm is plenty for you.
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