specs please 
How to port a Fast 90 intake
It won't leak as long as it is torqued properly, its a 3 piece design with a rubber gasket sealing the three pieces. Its not like the LS1, LS6 or LS2 intakes which are fused together.
I believe it's like 88 inch lbs... They won't leak if you're just removing the upper shell.. I did a lil more porting & took out the center section which made things easier... If you do that, then you have to reseal it with some black sealer or they will possibly leak.
-Mike
-Mike
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well its not a kit unfortunatly.I went to the fast website and under the parts list and gathered up all the different bolts that i needed then simply went to mcmaster and ordered them up.I am pretty sure thunder sells a kit that you may want to check out but i am pretty sure it didnt include everything i was looking for like the bolts and nuts that hold the two halves together.I got everything in stainless from the nuts,bolts and washers.If my car wasnt in a storage facility i would take pics for ya,it looks great and will stay that way.
402hp w/the stock ls1
421hp w/the stock 90/90
441hp w/the diy ported 90/90
if i got the #s above right you made some
great gains from your porting project!
wow, 39hp from an intake & tb. good job!
thanks for the write up.
421hp w/the stock 90/90
441hp w/the diy ported 90/90
if i got the #s above right you made some
great gains from your porting project!
wow, 39hp from an intake & tb. good job!
thanks for the write up.
Hey, around the fuel injector holes there are a bunch of sharp edges and angles, would it do any good to radius them of so that the FI area is smoother and might get the spray out better? Also I ground down just inside the intake where the TB bolts on. Any more specific grinding info would be a ppreciated.
around the fuel injector holes is pretty much a dead spot,so grinding and smoothing in this area wont do anything for you,and the injectors spray pattern wont be affected either so i would just leave it alone.The throttle body opening can take just a little blending where the two halves meet together,some intakes dont line up as good as others..I opened mine up just a touch to match my Nick williams throttle body..Dont over do it.
Joined: Oct 2006
Posts: 2,608
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From: Webb City, MO...out in the garage
yeah this should be a sticky. i took what i learned from this and added some of my own little tricks.....went from 390 rwhp to 420 rwhp - LS6 to ported FAST
