Hey Everyone
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Freshman User
Joined: Nov 2002
Posts: 40
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From: Washington
Hey Everyone
Hey Fello Ford crazies
I'm looking to put a aftermarket intake & cam in my 390 for my and i ive been looking for a while and came to the conclusion to ask some pro ford folk. i also want to know what carberator to us too. THANKS!!!!
I'm looking to put a aftermarket intake & cam in my 390 for my and i ive been looking for a while and came to the conclusion to ask some pro ford folk. i also want to know what carberator to us too. THANKS!!!!
Senior User
Joined: Jul 2001
Posts: 113
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Hey Everyone
A 600-650 cfm carb would be just about right. More and you're feeding it more air than it can swallow. I'd suggest the edelbrock, but I'm sure some folks would rather use a holley. Personal preference rules all there I'm sure.
As for your cam, the crane 343901 is pretty good if you don't want to have to do too much to get the new cam in. I think you're fine if you just get the cam and new valve springs. There are more aggressive cams available, but the 901 is about as good as you get without going too far out of stock ranges. More lift, and you need new valve guides. Now, if you have it in mind to switch to mechanical, there's a (believe 343801?) crane mechanical that looks pretty sweet. Personally I'm throwing in an erson torque monster in mine (TQ0025 if I'm remember the p/n correctly).
John
As for your cam, the crane 343901 is pretty good if you don't want to have to do too much to get the new cam in. I think you're fine if you just get the cam and new valve springs. There are more aggressive cams available, but the 901 is about as good as you get without going too far out of stock ranges. More lift, and you need new valve guides. Now, if you have it in mind to switch to mechanical, there's a (believe 343801?) crane mechanical that looks pretty sweet. Personally I'm throwing in an erson torque monster in mine (TQ0025 if I'm remember the p/n correctly).
John
Cargo Master
Joined: Jul 2000
Posts: 2,281
Likes: 18
From: Northern California
Hey Everyone
It depends on how you want to use the truck. Why don't you post the specs:
RPM Usage
compression ratio
Headers vs stock exhaust...
towing, racing, off-road, ...
I went for high torque in the low/mid range and went with the Crower power beast 16903, it works in the 1300~3800 with a 5300+ redline. It delivers very agressive mid range torque.
As for intakes, I'd look hard at the Edelbrock Performer RPM, it's a 1500~6500 range and dual plane with very good quality. It runs about $285 last time I checked but is a good design. FE intakes aren't cheap, so I'd do some research and match it to the cam.
FE's benifet well from dual pattern cams, more lift/dur on the exhaust side.
RPM Usage
compression ratio
Headers vs stock exhaust...
towing, racing, off-road, ...
I went for high torque in the low/mid range and went with the Crower power beast 16903, it works in the 1300~3800 with a 5300+ redline. It delivers very agressive mid range torque.
As for intakes, I'd look hard at the Edelbrock Performer RPM, it's a 1500~6500 range and dual plane with very good quality. It runs about $285 last time I checked but is a good design. FE intakes aren't cheap, so I'd do some research and match it to the cam.
FE's benifet well from dual pattern cams, more lift/dur on the exhaust side.
Thread Starter
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Freshman User
Joined: Nov 2002
Posts: 40
Likes: 0
From: Washington
Hey Everyone
I'm building my truck for driving on the highway to work, crawling in the mountains. So my rpms will be from idle to 6500 if that. and headers i was thinking about tri-ys fender headers for low end torke. cylinder compression i'm thinking 9 1/2.
Thanks sled_man4ever
Thanks sled_man4ever
Senior User
Joined: Dec 2002
Posts: 163
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Hey Everyone
You might want to check out this thread as it will give you ideas as to what combos do what.
Senior User
Joined: Mar 2003
Posts: 112
Likes: 1
Hey Everyone
I would suggest the Isky 351256262 cam. I ran it against all the cams that were suggested on this forum and for low rpm torque it wasn't beat. If you want I will send you a image of my desktop dyno run with it and you can make your decision from there. Just PM me with a e-mail addy if you are interested.
Elder User
Joined: Sep 2002
Posts: 948
Likes: 0
From: McAlester, OK
Hey Everyone
Does isky still make cams for the FE? The new site doesn't list any. I sent them a message but they haven't replied.
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