Twin GT30s or Single 78mm? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 3 Old 02-26-2016, 12:45 PM Thread Starter
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Twin GT30s or Single 78mm?

I am trying to decide guys. Do I go with a twin GT30 kit or a single 78mm kit?

Car is a 1979 notchback. Fully build ready to drag race with a 2v Pi 2004 4.6 motor. I am going to tune to 450rwhp and run that while I am building a teksid 2v on the side. I just want to sort everything out and get this car to the track. Full Viking suspension front and rear, UPR chomoloy double adjustable everything. 5 lug swap and 8.8 with 3.27 gearing... T45 trans for the time being.

Any advice I would appreciate it.

Which will be faster and more fun to drive? Car drives to and from the strip. Montana rocks for that anything can be legal haha.


[CENTER]Blown and Bottle Fed 1979 Notchback 4.6 Swap:
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post #2 of 3 Old 02-27-2016, 08:08 PM
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78mm is overkill for 450rwhp. I'd just go with a single although the gt30s would be insta spool on your engine. What 30's you looking at? 71 or 76?


2003 v6 Turbo 4.3 stroker
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post #3 of 3 Old 02-28-2016, 08:07 AM
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I think the little twins would be ideal! That's a fun car!
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