: Whats the easist/cheapest upgrade i can do to my 350?


MountainMan864
07-21-2007, 05:19 PM
I just got myself a 75 gmc sierra grande and its got a rebuilt 350 but its still stock. I need to know what would be the cheapest upgrade i could buy for it to gain some more power. thx

mrbigshot
07-21-2007, 05:38 PM
nitrous oxide :D

some vortec heads, and a little bolt hole angling on you intake will help make some good power.

xanthias
07-21-2007, 07:09 PM
Never hurts to start with the "breathing". Freer flowing air intake and exhaust are always a good place to start and you can build on up from there. Also, don't overlook the benefits of a real tuneup, timing, wires, plugs, dist. cap, oil, fuel filter, etc.

s10er8
07-21-2007, 07:48 PM
Aluminum dual plane intake, Holley 4 barrel, cam and headers.

MountainMan864
07-21-2007, 10:41 PM
the guy said the engine was just rebuilt and had a good tuneup not to long ago. i was thinking a set of headers or 4 barrel carb or a different intake. i don't know what th engine parts are but i do know its a 2 barrel. The truck already has dual exhaust.

silver98Z71
07-22-2007, 06:18 PM
Turn the star wheel up and get a #10 fuel plate.

florida4x4
07-23-2007, 06:25 AM
headers, exhaust, cam and tune the q-jet for the combo. also put in a fully adjustable HEI (accel billet is cheap) and dial in your timing.

or just buy a used 454 for $50 and drop it in :flipoff2:

GMCTruxrule
07-23-2007, 07:35 AM
x100 on the 454.:D

s10er8
07-23-2007, 02:59 PM
or just buy a used 454 for $50 and drop it in :flipoff2:I'll take 5 of those for $50 a piece

MountainMan864
07-23-2007, 11:32 PM
well yea me too:flipoff2: but anyways should i stick with a holley 4 barrel and some type of headers(flowtech?), and what brand cam. this truck is mostly street driven but does go wheeling several times a year.

tonka22
07-23-2007, 11:46 PM
heards used will run 50 bucks, a used intake 50, a new cam and lifters 125 or so and you will have some good extra power. The stock dissy is good upto 300hp.