T O P I C R E V I E W
|
hard jokur
Member # 3360
|
posted
I currently have a 347 install in progress. With my current setup I'll be using an after market TB, I believe it's a 65mm. While I can still use it I know it will be a source of holding back the motor. SO I'm entertaining a larger TB, 75mm or 70mm. The car is my daily driver and will be mainly street. Any suggestions??
|
89bluenotch
Member # 7454
|
posted
75mm
|
illwill510
Member # 3788
|
posted
I would match the tb size the the size of the upper intake opening. Some are 70mm openings and others are 75. What intake are u using?
|
hard jokur
Member # 3360
|
posted
I'm using a GT40 upper/lower.
|
427 StRoKeR 94 GT
Member # 8722
|
posted
U should get a better intake. And I believe those are 70Mm
|
Duncan Motors
Member # 7045
|
posted
heh i havent talked to u in a while how u doin i see ur doin a stroker good deal .
|
hard jokur
Member # 3360
|
posted
wasap Duncan... Long time no hear! You stilll have the painter with you?? I may need to stop by and discuss some stuff with him.
I'm curious as to why some people dont like the old GT40 intakes?? Each time someone asks my setup I get the opinion that I should upgrade to a different intake?
I'm sure a few people have read this article:
http://www.musclemustangfastfords.com/tech/173_0101_super/index.html
the GT40 did pretty well all around, and should be a good combo for a street motor. My whole intention was to have a stout street motor built so that I can drive my daily and have a little fun while I'm at it.
-Rich
|
SmokinLX
Member # 1684
|
posted
65 MM should be fine, just make sure You get a spacer.
|
92stangLX
Member # 3252
|
posted
quote: Originally posted by hard jokur: wasap Duncan... Long time no hear! You stilll have the painter with you?? I may need to stop by and discuss some stuff with him.
I'm curious as to why some people dont like the old GT40 intakes?? Each time someone asks my setup I get the opinion that I should upgrade to a different intake?
I'm sure a few people have read this article:
http://www.musclemustangfastfords.com/tech/173_0101_super/index.html
the GT40 did pretty well all around, and should be a good combo for a street motor. My whole intention was to have a stout street motor built so that I can drive my daily and have a little fun while I'm at it.
-Rich
I don't really understand why people say it's not good. It is designed to make good low-midrange power and does a very good job at it. If you are looking for serious top end then there are other intakes that are better. The GT-40 works even better when you port the lower.
|
91fox
Member # 7842
|
posted
heres something i have been using to figure out which throttle body to use
cid x rpm / 3456 = cfm 347 x 6250 /3456 =628cfm
|
DVUS PNY
Member # 9058
|
posted
75mm should be sufficient. Match it up with the upper intake. Hopefully this was up-graded already.
|