351w 5.8 mods???
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Senior User
Joined: Dec 2011
Posts: 366
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From: Harlingen,TX
351w 5.8 mods???
I have a 89 f250 351w with a C6 trans (bone stock), what are some mods that are more less inexpensive and get gain in power? ive looked into already some CAIs and longtube headers, anything else?
Cargo Master
Joined: Jan 2011
Posts: 2,791
Likes: 8
From: Edmonton AB, Canada
CAI- only thing you'll see there is a different sound, the factory intake is plenty( I have an eBay CAI lovd the sound but no performance gains)
Egr delete- it has been said that if the egr is workin properly then it helps MPG and removing it won't change performance it would raise the operating temperature.
10w40 oil- depends on. Where you live. If its a cold environment
it's too thick and you'll have problems when the temp drops.
Other suggestions.-
Remove the air pump system. Use idler pully in its place By removing the pump it's one less thing for the motor to turn hence freeing up a bit of power
E-fan - remove the stock clutch fan and install electric fans. The fan draws alot of power when it kicks in so removing that will free up more Hp
Posting Guru
Joined: Apr 2011
Posts: 1,119
Likes: 1
From: Hartland, WI
The air pump introduces air into the exhaust stream to help burn off any unburnt fuel. On some vehicles it supplies the catalyst with the oxygen it needs to function.
First do all your maintenance work. Fluids, filters, ignition components. Then go with a free flowing exhaust and headers. Finally a SD friendly cam will net you some gains. Rear end ratio and tire size play a huge role in "seat of the pants" feel.
First do all your maintenance work. Fluids, filters, ignition components. Then go with a free flowing exhaust and headers. Finally a SD friendly cam will net you some gains. Rear end ratio and tire size play a huge role in "seat of the pants" feel.
Thread Starter
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Senior User
Joined: Dec 2011
Posts: 366
Likes: 1
From: Harlingen,TX
The air pump introduces air into the exhaust stream to help burn off any unburnt fuel. On some vehicles it supplies the catalyst with the oxygen it needs to function.
First do all your maintenance work. Fluids, filters, ignition components. Then go with a free flowing exhaust and headers. Finally a SD friendly cam will net you some gains. Rear end ratio and tire size play a huge role in "seat of the pants" feel.
First do all your maintenance work. Fluids, filters, ignition components. Then go with a free flowing exhaust and headers. Finally a SD friendly cam will net you some gains. Rear end ratio and tire size play a huge role in "seat of the pants" feel.
Postmaster
Joined: Dec 2007
Posts: 3,052
Likes: 1
From: Jacksonville FL
What!
First do a 6 liter tune up
Bump the timing up(free power)
LT headers with a nice exhaust setup.
E fans
Under drive pulleys
1.7 roller rockers
GT40 heads
Search will turn up a ton of info on making more power.
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