cheap horsepower
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Senior User
Joined: Feb 2005
Posts: 115
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cheap horsepower
i have a 351m in my bronco and im looking for some extra hp i was wondering how much gains i can expect of taking off the smog stuff and removal of exhaust. if there is any other tricks please let me know.
Elder User
Joined: Jun 2003
Posts: 886
Likes: 1
From: Houston/Hope BC
Little or none, EGR cuts out at full throttle and the air pump (if equipped) uses minisule HP.
Headers will get you a little, maybe even enough to feel.
A complete rework is required for noticable results, the most important being taking it back to 400 with a crank swap and getting a cam into it. Search here and read, make a plan, then run that by us.
Headers will get you a little, maybe even enough to feel.
A complete rework is required for noticable results, the most important being taking it back to 400 with a crank swap and getting a cam into it. Search here and read, make a plan, then run that by us.
Elder User
Joined: Jan 2004
Posts: 867
Likes: 0
From: Eastern Pa
Cubic $$$ = horsepower! 
What is the engine out of. If it is a car or early truck engine you could get a benefit just by changing the timing set to one that sets up at 0 instead of the stock 4 degree retard.
What is the engine out of. If it is a car or early truck engine you could get a benefit just by changing the timing set to one that sets up at 0 instead of the stock 4 degree retard.
Elder User
Joined: Jan 2004
Posts: 867
Likes: 0
From: Eastern Pa
Milling the heads will give you a small amount in return for your time and money involved. Other suggetions as above wuld cost less thean the headwork and give you a bigger return on your investment. Tell us what you have right now in the way of your engine, miles, modifications etc, and how much money you have fo spend and we can be more specific with our help. If you go at it hap hazard and throw a feww dollars here and there at it you will eventually be frustrated and will have spent more for less in the long run. You are far better off saying I have x amount of dollars, what can I do, or if what you have is very little make a plan to save up enough to do some minor mods that make sense in both effectiveness and cost. 
