Performance Mods for a Speed Density 302
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From: Edmonton, AB Canada
The 88 wiring is running a new 92 long block from gopher motors which is supposed to have a rv cam in it (what they call their sportsman package), though they didnt give me any details on it. I know it is a roller cam aswell.
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From: Edmonton, AB Canada
THe cams that conanski was talking about, the first one is for a computer controlled 302, and on the comp cams website the second cam, 35-255-5 is technically for the 351, so I would assume that it would do just as good if not better in a 351.
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From: Edmonton, AB Canada
Well I have decided, after all of the input thus far, that a MAF conversion should be the first step in this performance building process. That and the budget wont let me do all of it at once. I think I am going to be a big spender and get the ford kit, less headaches and its all in one package ready to go. That right there is a big selling feature for me. I still have one more set of questions though, which is as follows:
I have read that with this kit it is set up for the 351W or HO injector firing order and that I can swap around the injector harness to work with the cam i have now, but then the idle quality will go for crap. Is this true of this kit? Should I switch to a 351 cam and have that part one step closer to my stroker as well, since I plan on a cam swap at that time any how. The motor is already a roller cam so I should just need cam for this to work. What are your expirienced opinions?
I have read that with this kit it is set up for the 351W or HO injector firing order and that I can swap around the injector harness to work with the cam i have now, but then the idle quality will go for crap. Is this true of this kit? Should I switch to a 351 cam and have that part one step closer to my stroker as well, since I plan on a cam swap at that time any how. The motor is already a roller cam so I should just need cam for this to work. What are your expirienced opinions?
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From: Mulege south Baja ca. Mx.
I dont understand why you want to spend a bunch of money to get low end torque out of a engine that is famous for high rev power. have you considered just going to a 351 or for better mileage a 300. then build a good engine. the 302 is a grate engine but I dont know why Ford ever thought it would be a good truck engine.
the longer the stroke the better the torq
the longer the stroke the better the torq
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From: Ottawa, Ontario
Originally Posted by Tdvjensen
I have read that with this kit it is set up for the 351W or HO injector firing order and that I can swap around the injector harness to work with the cam i have now, but then the idle quality will go for crap. Is this true of this kit?
Originally Posted by Tdvjensen
Should I switch to a 351 cam and have that part one step closer to my stroker as well, since I plan on a cam swap at that time any how. The motor is already a roller cam so I should just need cam for this to work. What are your expirienced opinions?
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Thanks for the input Conanski, I think I am going to do the cam aswell so that I actually know what I have for cam specs. An extra $300 for the cam isnt that bad, and I can use it for the 347 if it's still in decent shape.
One more question: Is that kit set up for the 351 firing order? I would like to know before hand so I can just plug it in and go.
One more question: Is that kit set up for the 351 firing order? I would like to know before hand so I can just plug it in and go.
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From: Mulege south Baja ca. Mx.
Originally Posted by Tdvjensen
I am planning on converting to mass air when I put in the stroker motor, but in the meantime i would like to have something better than just the easy bolt on stuff that everyone else has. I built the rest of the truck and would like something a little less stock under the hood, but not get too carried away until I am ready for the stroker motor.
Also after reading into the Gt-40 heads that ford motorsport offers, they only bolt on with the gt-40 mustang intake, so I have switched gears and looking at the edelbrock performer heads.
And as for full benifit of the mods, would that entail a custom burnt chip or say a generic jet chip or something like that? Also what are the average costs of a custom burnt chip and where would I start looking for one?
Also after reading into the Gt-40 heads that ford motorsport offers, they only bolt on with the gt-40 mustang intake, so I have switched gears and looking at the edelbrock performer heads.
And as for full benifit of the mods, would that entail a custom burnt chip or say a generic jet chip or something like that? Also what are the average costs of a custom burnt chip and where would I start looking for one?
I think you can use any manifold with the GT 40 heads. I had a edelbrock on mine and it worked well.
all of this stuff you are doing is taking you the other direction from what you said you wanted in your first post. now it sounds like you are building a street racer.
Last edited by Bruce R Leech; Apr 9, 2007 at 06:32 PM.
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From: Greenville PA
Diablo, makes a nice custom chip for your truck, my 92 with the upped shift points, and rev. and speedo along with there own tuning in the chip, make a noticeable differance, if you want to run the juice on your truck, they have a two stage chip to switch back and forth on from the inside of your truck. I have a single stage and will be going two stage soon,you can get your custom chip for 225.00 last I checked, just go to the Diablo Website, to find you application.
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From: Ottawa, Ontario
Originally Posted by Tdvjensen
One more question: Is that kit set up for the 351 firing order? I would like to know before hand so I can just plug it in and go.
BTW.. A completely stock motor with a "healthy cam" upgrade will outperform all this put together..
"K&N FIPK,180 TStat,Asp Crank Pully,Casper Throttle Calibrator,Accel Cap&Rotor,Accel Coil,NGK TR55's,Ford Racing Wire 9mm,Diablo Sport Chip customized for upped shift"
In no way do I mean to this as in insult to Red Raider.. hopefully it won't be taken that way. I'm just using it as an example to illustrate the bang for your buck impact the cam has on these motors.
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From: Greenville PA
I agree with what you are saying, but for those of us that do not want open her up, my mods have great improvement, no offense taken, but try some of my mods, I have impressed many with what little I've done and the power I have. Air to a 302 and a chip with upper shift points make quite a bit of a jump for our trucks. Good luck.
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From: Ottawa, Ontario
Originally Posted by Red Raider 4x4
I agree with what you are saying, but for those of us that do not want open her up, my mods have great improvement, I have impressed many with what little I've done and the power I have. Air to a 302 and a chip with upper shift points make quite a bit of a jump for our trucks. Good luck.
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Thank you very much conanski, as well as the rest of you.
Bruce, I thank you for you input aswell, and I agree there is no replacement for displacement, and more stroke means more torque in a general sense, but the 302 is in my truck and brand F*&^ing new, so I might as well get the damn platform ready for a stroker motor, and I have considered and simulated my mods on a dyno program by accurately inputing the data from the parts manufacturers and have an idea of what this motor will perform like, and perform like on my stroker motor. I am not looking for huge horse numbers, or torque to compete with the big block and diesel crowds, just something better than stock. If I still dont like it, thats a "me" problem.
Bruce, I thank you for you input aswell, and I agree there is no replacement for displacement, and more stroke means more torque in a general sense, but the 302 is in my truck and brand F*&^ing new, so I might as well get the damn platform ready for a stroker motor, and I have considered and simulated my mods on a dyno program by accurately inputing the data from the parts manufacturers and have an idea of what this motor will perform like, and perform like on my stroker motor. I am not looking for huge horse numbers, or torque to compete with the big block and diesel crowds, just something better than stock. If I still dont like it, thats a "me" problem.
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