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detroitdakota
Dodge Dakota
JOIN HERE
8/10/2006
19:55:44
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 Subject: 1992 intake modification specs.
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Message:
I got from junkyard last week an intake manifold for a 239 v6 magnum motor. I am going to sand and polish the out side, so it will match my modified alt. bracket. what should i do for hp. gains on the underside of my new(used)intake.
1. radius the injector holes-how big should this curve be?
2. mustang 5.0 19lbs injectors- i have seen 4 and 5 hole is this really better than stock or should i just go back to the junkyard and scrap a 5.0?
3. bore the tb hole from 1.895 to 1.945 inches to match the magumn v8 tb?
4. cut down the runners 2 inches? what the exact lenthto cut?-should i raduis them in anyway for flow?
5. remove the divider?
6. whats the best way to polish the inside and whats the desired finish?
7. what else should i do- i have lots of time and patience.
thanks chris will some one call me who knows (248)854-8721
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J and J Auto
GenII
8/12/2006
17:32:40
|  RE: 1992 intake modification specs.
IP: Logged
Message:
gasket match ports
remove devider
shorten runners to 14"
radious 45 degree 1/8 to 3/16 will look like
a valve seat
this will tune the intake from 2000 to 4000
rpm with a net gain of 15hp from the intake work
alone
a flexible drill extention and a wire wheel
is the only way to get into the runners it
will clean and polish them but don;t seem to
make any dif if this is done or not
92 99 19 pound injectors
00 and up use 21
yes the fms 4 hole spray will give you better
atomization a smother running motor better
mid and top end performance over the stock
1 hole wonders they work ok but are not
matched close enough for performance work
Larry
J&J Auto
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eddy
Dodge Dakota
JOIN HERE
8/14/2006
01:00:22
| RE: 1992 intake modification specs.
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Message:
What year did they start doing MPI? Also, if my computer is from a auto truck and i have a 5 speed will it run crappy? sorry for pirating your post
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detroitdodge
Dodge Dakota
JOIN HERE
8/17/2006
21:20:22
|  RE: 1992 intake modification specs.
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Message:
so what are the runners on my intake? 14 inches from what point to what point
did you say in the last part to use one hole injectors 5.0?
do you have a number for your shop?
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