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Old Dec 19, 2011 | 06:58 PM
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new to 300 inline 6

i just got a 90 f250 4wd with the 300 inline 6 in it. i have always been a small block chevy guy growing up and this is my first ford. i am gonna lift it and put some 315/70/17 or trim to make them fit. i want more power to go play in the dunes or mud. i live in michigan so we have alot of it. i will use it in the woods and what not and haul a camper so im lookin for ways to add more power to the engine. i have been lookin into a power adder such as a turbo or supercharger but havent had much luck findin a full on kit that is bolt on and go i can do the mechanics but not the fab or anything. any tips or hints or anything would be greatly appricated
 
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Old Dec 20, 2011 | 02:07 AM
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Originally Posted by inline6mi
i just got a 90 f250 4wd with the 300 inline 6 in it. i have always been a small block chevy guy growing up and this is my first ford. i am gonna lift it and put some 315/70/17 or trim to make them fit. i want more power to go play in the dunes or mud. i live in michigan so we have alot of it. i will use it in the woods and what not and haul a camper so im lookin for ways to add more power to the engine. i have been lookin into a power adder such as a turbo or supercharger but havent had much luck findin a full on kit that is bolt on and go i can do the mechanics but not the fab or anything. any tips or hints or anything would be greatly appricated
Welcome to the forum!

No bolt on kits for turbo or super charge except what others have fabed up. Try this...

https://www.ford-trucks.com/forums/9...-9l-300-a.html

There is one on this forum for a supercharger but you'll have to dig that one up.

If all you can do is mechanical bolt on and no fab seems to be your only option for what you want is... dare I say it put a BB in it but I would not. I think if you just bolt on some performance like exhaust, cam, intake, carb you'll be plenty happy dunein it or just trekin around the woods.

JMO
Jim
 
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Old Dec 20, 2011 | 07:19 AM
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You can't go too radical with any performance.. Your 90 f250 is computer controlled, and the speed density makes it go absolutely nuts if you increase it past a certain %. A good exhaust and a port and polish on the head supposedly really wake these engines up. I have left mine stock and found it was good enough for what I do, although I would like to get a little more grunt out of the lower end.
 
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Old Dec 20, 2011 | 07:48 AM
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Originally Posted by big-ugly
You can't go too radical with any performance.. Your 90 f250 is computer controlled, and the speed density makes it go absolutely nuts if you increase it past a certain %. A good exhaust and a port and polish on the head supposedly really wake these engines up. I have left mine stock and found it was good enough for what I do, although I would like to get a little more grunt out of the lower end.
The threshold is like 10% difference, then the computer ****s bricks...
 
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Old Dec 20, 2011 | 09:22 AM
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Maybe some 4:88 gears to go with those 315/70/17 tires. It will likely be a 3-legged pig with stock gears and tires that tall.
 
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Old Dec 20, 2011 | 11:03 AM
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FORDSIX PERFORMANCE • View forum - Turbo, Supercharger, and Nitrous Forced induction

FORDSIX PERFORMANCE • View forum - Fuel Injection - Mega Squirt MegaSquirt

Two more Forums to read.
 
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Old Dec 20, 2011 | 01:11 PM
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Originally Posted by SideWinder4.9l
The threshold is like 10% difference, then the computer ****s bricks...
Thanks for that #, I couldn't remember it off the top of my head. Tried to rep you, but the police won't let me
 
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Old Dec 20, 2011 | 05:17 PM
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What bout gettin rid of all the computer **** n goin to a carb could I do alot more to itor no
 
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Old Dec 20, 2011 | 05:20 PM
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If you go carburetor, the possibilities are near endless.

I strongly advise PM'ing Col Flashman about building a carb. 300, he has a very impressive one. Also, check out fordsix.com
 
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Old Dec 21, 2011 | 01:16 PM
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What bout removin all the emissions crap will that hinder what im hoin for or make little bit.better
 
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Old Dec 21, 2011 | 01:32 PM
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Won't do you a damn bit of good, except free up some space under the hood. The problem is the Speed Density and computer.
 
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Old Dec 21, 2011 | 02:17 PM
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Originally Posted by inline6mi
What bout removin all the emissions crap will that hinder what im hoin for or make little bit.better
Leave the emissions parts be, if they're functioning correctly....
It'll hurt the mpg's slightly without it...

An Isky 256 camshaft is computer compatible, and won't make the computer go ballistic...
 
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Old Dec 21, 2011 | 08:48 PM
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So cam whatelse could I do with out it goin nuts I figure a better exhaust system gears intake what bout doin some head work and lifters I read bout chevy lifters in the fords and then is there a chip for this year that would help im gonna do the work this winter I just want the most bang for my buck thanks for all the tips n help as I am new to this world of fords
 
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Old Dec 21, 2011 | 08:52 PM
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A good free-flowing exhaust system also seems to really help these engines wake up, but from all the research I have done the head is the bottleneck in this engine. If I understand correctly, the chevy lifters are just a "poor man's cam", causing you to gain more lift, thus power. So if you do swap in a "computer friendly" cam, then you probably don't want to do the chevy lifters as well. Vise verse...
 
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Old Dec 21, 2011 | 09:00 PM
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Ok so what do u mean by bottleneck if I was to have the head port matched polished and maybe decked would that help to wake it up im sorry for the stupid questions are there aftermarket efi intakes for these trucks
 
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