91 5.0 ho upgrades - Ford Muscle Forums : Ford Muscle Cars Tech Forum
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post #1 of 3 (permalink) Old 04-14-2009, 10:52 PM Thread Starter
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91 5.0 ho upgrades


The motor/trans/wiring is from a 1991 TBird. 105k miles. I have the motor stripped to long block , bottom end looks good, heads are dirty though.
I have some q's for people who have done some mild upgrades to they're 5.0's and looking for input.

1.Intake- can I replace the upper/lower/tb with the Explorer up.low.tb? wiring match up? (tbird has the intake with elbow like 93/94 must gt)

2.Cam- I was thinking of swapping the tbird spec cam with a Ford E303, best cam for $$$? dont need a race cam

3.Heads- I know of local (stock) 89 gt heads, would these be better to refresh than t-birds? same? I also know of freshened heads w.202/160 valves priced pretty well

4.MAF- any need to go larger than the oem sized tbird maf?

any other input? thanks guys!

1966 Fairlane 500 http://fomoresto.blogspot.com/
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post #2 of 3 (permalink) Old 04-15-2009, 06:58 AM
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Re: 91 5.0 ho upgrades

You got some easy questions and you mostly got all the answers dude.
1.Explorer intake be cheap and great upgrade (same as cobra)
2.Heads....depends howmuch HP you looking for?
3.I like E303 cam, friend made 300 to the wheels with Ecam and AFR165 heads.
4.Mass Air , be better to swithch it over to a bigger unit(like 75mm) if you upgrade to bigger heads and Intake,throttlebody. Get a universal unit that ca be recalibrated for bigger injectors.

Give a little more detail about your project and you might get more answers.
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post #3 of 3 (permalink) Old 04-15-2009, 08:29 AM Thread Starter
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Re: 91 5.0 ho upgrades

Its going with an aod/3.25-3.73(eventually) into a 64 Ranchero. More worried about dependability & driveability than racing light to light. But I am more than happy to go through the tbird 5.0 (cam,heads,intake) before tossing it in the ranch. I am new to FI stuff but get it for the most part. I am just looking for what is compatable and priced well. Thanks again! -D

1966 Fairlane 500 http://fomoresto.blogspot.com/
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