on an older (pre 1996) do you need to run a bigger pump?
how big?
on an older (pre 1996) do you need to run a bigger pump?
how big?
not from personal experience but from what I've read and spoke with others about 95-down will need to upgrade there fuel pump. Alot are recommending the walbro 255.
I've always used the Walbro pump for a 87 Buick Grand National in the OBS trucks.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
Originally Posted by RedHeartbeat
The one for the GN plugs in like a factory replacement? or do you have to get a whole new pickup and fittings and everything?
its very similar to the stock pump.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
X2, easy to install after you get the old one out
'92 Fullsize, swb rc
5.3L/T56 conversion, comp XR275 HR cam .566/.568 lift 222/224 duration 112 lsa, crane dual springs, trick flow push rods, K&N Filter, Nelson Performance tune, Keisler shifter relocation kit, Boyd Coddington Smoothie II 18x8 235/55 up front, 18x10 295/45 out back, 2/4 drop, eaton lsd w/4.56 gears
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