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Old 01-12-2009, 01:39 PM
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Need help and suggestions on sbf 302 fuel injection

I am in the process of building a sbf 302 for a 92 notchback w/ a 5 spd. I have been slowly accumulating parts for the engine but need some advice from some Ford guys on what my further plan of action should. The parts I have so far are a long block with approx 50k miles, a gt-40 upper and lower intake, a 65mm throttle body, a pro-m 75mm silver bullet maf that can be calibrated to work with what ever size injectors I choose, and an E-303 cam and lifters. I'm still looking for gt-40 heads (bought some but the were both cracked), and injectors. My original intention was to go with the 24# cobra injectors but would like to know if there are any benefits to going with a larger injectors. This car will be 90% street driven. Should I consider going with a larger throttle body and match it to the inlet on the intake plenum or is the 65mm throttlebody and 24# injectors sufficient for my planned set-up. I don't need a monster but I'd like to be able to get up and go when I need to.
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Old 01-12-2009, 05:34 PM
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Need help and suggestions on sbf 302 fuel injection

Hey buddy........I stumbled upon your question while searching around the site. Anyway.......I built pretty much your exact set up as you listed it several years ago except I had my factory heads professionally ported, etc...instead of using GT40 heads. I can tell you the 24# injectors should be more then enough for what you are doing. I eventually threw a 150 shot of juice on it as well with the same injectors and never had a prob. Just my input. Good luck
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Old 01-12-2009, 07:11 PM
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Quote:
Originally Posted by DaSouthWon
I am in the process of building a sbf 302 for a 92 notchback w/ a 5 spd. I have been slowly accumulating parts for the engine but need some advice from some Ford guys on what my further plan of action should. The parts I have so far are a long block with approx 50k miles, a gt-40 upper and lower intake, a 65mm throttle body, a pro-m 75mm silver bullet maf that can be calibrated to work with what ever size injectors I choose, and an E-303 cam and lifters. I'm still looking for gt-40 heads (bought some but the were both cracked), and injectors. My original intention was to go with the 24# cobra injectors but would like to know if there are any benefits to going with a larger injectors. This car will be 90% street driven. Should I consider going with a larger throttle body and match it to the inlet on the intake plenum or is the 65mm throttlebody and 24# injectors sufficient for my planned set-up. I don't need a monster but I'd like to be able to get up and go when I need to.
The factory P heads are better, since the iron GT40 heads on the 93 Cobra are basicly just modernized 69-70 351W heads.

A good head is the CNC ported E7TE HO heads or better yet GT40s as done by Powerheads, but getting close to the price of alum.

The best bet might be to find some alum take-offs that somebody is trading up.

IMO the E cam is ancient technology. Look into the CompCams XE hr series and get lift about .550. Don't go overboard with the duration. look about the xe 262 cam.
TB and MA are ok.
The local Mustang clubs at Mem or LR should have some knowledge.
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Old 01-13-2009, 04:24 PM
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I went out and looked at the cam because I couldn't remember if it was the "B" or the "E". It's the B-303. I planned on using it because I already had it. I got on craigslist and found this rather wealthy guy cleaning out his garage that needed the stuff gone more than he needed the money. I picked up a new rotating assembly that he pulled out of a Ford Racing crate motor he turned into a 331, cam, longblock on a custom built stand, new MSD BTM, new roller lifters, new oil pan and pump, a seat and a hood, energy motor and trans mounts, Pro-M maf housing, new timing chain, and a partridge and a pear tree all for $250. It was like I hit the 302 jackpot.
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Old 01-14-2009, 10:41 AM
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Originally Posted by DaSouthWon
I went out and looked at the cam because I couldn't remember if it was the "B" or the "E". It's the B-303. I planned on using it because I already had it. I got on craigslist and found this rather wealthy guy cleaning out his garage that needed the stuff gone more than he needed the money. I picked up a new rotating assembly that he pulled out of a Ford Racing crate motor he turned into a 331, cam, longblock on a custom built stand, new MSD BTM, new roller lifters, new oil pan and pump, a seat and a hood, energy motor and trans mounts, Pro-M maf housing, new timing chain, and a partridge and a pear tree all for $250. It was like I hit the 302 jackpot.
People consider me a Ford 5.0 guy, I guess 'cause I have one and have done several.

The biggest cork in the system is still the heads. It really needs 165 cc intakes and 2.02 valves. TrickFlow twisted

That Crane cam is old technology.
Even with stock heads, sell something and buy a decent cam. JMO

(note, any head, either cam, you must check valve guide to keeper clearance.)

Last edited by ScoTFrenzel; 01-14-2009 at 10:51 AM.
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