ford 300 torque possibilities?
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ford 300 torque possibilities?
hello, i have a 1983 f150 with the 300 i6. was wondering if it could be built to make about 500 ft lbs of torque reliably using a turbo. im not looking to spend a fortune on this was thinking some headers, an offenhouser intake and 4 barrel 600cfm carb, and a turbo from an old powerstroke.
Lead Driver
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From: South central, Minnesota
hell, i have a 1983 f150 with the 300 i6. was wondering if it could be built to make about 500 ft lbs of torque reliably using a turbo. im not looking to spend a fortune on this was thinking some headers, an offenhouser intake and 4 barrel 600cfm carb, and a turbo from an old powerstroke.
But to answer your question. Yes & No. Yes it could be built to make 500 Ft/lbs. with a turbo. But you are going to have to spend some money or it won't last. You could do a budget build and try to make the #'s. But it will be a ticking time bomb. You won't know when but it will blow. You have to build the engine to handle the boost. If you just throw a turbo on a stock 300 it will eat itself. The ring end gaps will close up and break a piston and most likely destroy the cylinder when it does it. If you are lucky it will blow the head gasket before it breaks the pistons. You'll need either ARP rod bolts or custom rods, stronger pistons, larger ring end gaps, head studs, better head gasket, a fuel system that will support the boost. You will need to modify the carb or buy one set up for a blow thru set up.
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I was thinking arp hardware all around. Open up the ring gaps. New gaskets high volume oil pump and water pump but stock crank rads and crank. It doesnt need to be 500 exactly it would just be good to have some power in case i need it. Just some more torque than what it has currently. Will i need to hone the cylinders and rods or should they be fine they way they are with arp hardware.
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Well Lutz you're right. I just did some research and it turns out the 4 barrel holley 390 cfm will be PLENTY for the mild build on a 300 the two webers would combine for like somewhere over 700. 10.5 cr seems really tight for the 300 considering it's stock about 8.1. 9.5 seems a more reasonable goal.
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