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RJ
Dodge Dakota
12/21/2001
21:27:09
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 Subject: port and polish ?
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Message:
I was wondering if someone could explain to me how to port and polish your throttlebody and if they feel as though it was worth it ? 2000 4.7cc intake ,exhaust
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kev354
Dodge Dakota
12/21/2001
21:49:04
|  RE: port and polish ?
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Message:
and i have a stupid question. when doing this i heard its important to thin the shafts? now are the shafts the semicircular "bulges" that are on the butterfly valves or what? or are they the actual butterfly valves? thanks in advance
kevin
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Simpleman96
Dodge Dakota
12/24/2001
14:50:55
| RE: port and polish ?
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Message:
Here is a website that tells you how to do it, and some other things as well!
http://www.fast4x4.net/installs.htm
It's very easy(only takes a couple of hours total). I am in the process of doing it myself but can't try it out until my new fuel pump arrives.
Hope it helps.
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Art
Dodge Dakota
12/24/2001
16:31:56
| RE: port and polish ?
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Message:
If you dont know what it means then dont do it,you will end up doing more harm than good, you gota be carefull not to get it out of round where the throttle plates close and the gains if any will be very minimul,gasket matching I`ve always felt is more important
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Jeffster
Dodge Dakota
12/24/2001
18:26:17
| RE: port and polish ?
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Message:
I did mine. It's a 68mm TB however and the with gains I felt it was worth the time. There is a significant amount of meat in front of the butterfly valve that can be removed. At least on the 68mm, it's several mm's I bored out. The wall is very thick so there is no danger of over doing it unless your out of control.
I feel that pulling the main Cat (I left the pre cat's) and running my 3" exaust to the Y pipe combined with the ported T/B made a bigger dif than the 3" catback/coldair intake modifications before it. I am sure all the mod's are working very well together as a whole.
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