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Author
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Topic: 70mmor75mm tb for a 4.6L???????
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GT_R
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Member # 4941
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posted
 
 
Is a 75mm tb too much air for a 2004 GT with BBK cold air Trick Flow plenum off ford x pipe pullys diablo predator programmer 3:73 gears or would my car perform better with a 70mm?
[ December 19, 2004, 09:34 PM: Message edited by: GT_R ]
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Posts: 166 | From: 408 | Registered: Oct 2004
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Yellow94GT
Mr. 60 FT
Member # 431
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posted
I read in a 5.0 mag a few months back about a 75mm vs 70mm comparison on n/a and boosted setups. In the write up the 75mm made more power n/a than the 70mm. These are the same results as when tested on a 302 based motor.
I say the bigger that better ![[Big Grin]](biggrin.gif)
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AED
1994 GT Bucket that will likely never run
1999 SLOLEEN Twin Turbo Coyote
2008 F250 580 RWHP 1129 RWTQ
Posts: 5990 | From: Cameron Park, Ca | Registered: Sep 2001
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bunchmyfunky
CAFords Drag Racing Mod
Member # 360
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posted
I have a 70mm TB I'm going to be upgrading to a Dragon Plenum with a 75mm TB. Lots of people are running 75mm TBs NA. I would check out a few of the other sites that are 4.6 oriented they have some independent write up's on the upper plenums and 75mm TBs with dyno graphs.
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01 GT 5spd
1.76 12.79@105.49
Posts: 2433 | From: Vacaville | Registered: Jul 2001
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GT_R
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Member # 4941
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posted
quote:
Originally posted by bunchmyfunky:
I have a 70mm TB I'm going to be upgrading to a Dragon Plenum with a 75mm TB. Lots of people are running 75mm TBs NA. I would check out a few of the other sites that are 4.6 oriented they have some independent write up's on the upper plenums and 75mm TBs with dyno graphs.
what other websites are there???
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Posts: 166 | From: 408 | Registered: Oct 2004
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