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Old 11-18-2010, 05:48 PM
danzigs danzigs is offline
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302 4 brl intake question

I have an 84 F-150 stepside with a 302 2 barrel carb that is all stock besides a set of headers from a mustang. It also has an AOD tranny swapped in. My question is, is there a certain year that a Ford factory intake and 4 barrel carb from a mustang or other Ford vehiclee fit this motor and work? I understand the linkage for the kickdown might need to be fabricated. Just looking for more power with out spending a fortune on new parts. My budget sucks, besides I love old grassroots hotrodding. any info would be great!
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Old 11-18-2010, 06:17 PM
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On that motor the route to more power is in the cam and heads, changing the intake and carb won't really do much. Changing the cam is certainly not a small job..you basically have to strip the motor bare, but it's easilly the best bang for your buck.
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Old 11-18-2010, 06:28 PM
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What cam would you recommend? I thought about the smallest cam of the "***** thumpers" series by Comp. Nice aggresive idle and their flat tappet hyd. lifters too. Not as expensive as the retro roller series.
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Old 11-18-2010, 11:40 PM
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Compcams 35-234-3.
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Paul (Conan) O'Brien

1990 5.0HO AOD XLT X-Cab F150 3.55LS, 1994 3.0L 5-sp x-cab Ranger 3.45, 2004 3.0L 5-sp X-cab Ranger Edge 4.10, 2004 2.5L 5-spd Subaru Legacy
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Old 11-19-2010, 01:04 AM
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All small block 4V intakes will fit on a 302/5.0L. The 1983-85 aluminum Mustang intake (which came with a Holley carb) is an obvious candidate.

Or you can use a cast iron 289/302 4V intake, they were made from 1963-68 and installed on various cars. Also a marine version was offered for many years after that.

Stock intakes are pretty cheap at swap meets these days.
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Old 11-19-2010, 06:45 AM
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Thanks for the info.
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Old 11-19-2010, 03:09 PM
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Not trying to hijack the thread, but I have a 302 also.

Paul, how would the cam you have suggested perform with the 77 stock 2 barrel intake, but using E7 or GT40 heads? And would changing the valve springs be absolutely necessary? I have a new 500 CFM 4412 holley carb, and full length headers.
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Old 11-19-2010, 05:12 PM
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The stock 4bbl and 2bbl intakes are pretty similar and neither could be considered a high performance piece so that's partly why I don't think a 4bbl swap is really necessary to get more power. Once the cam is changed the carb would have to be rejetted for sure, new valve springs would certainly be a good idea on an engine with some milage but they're not absolutely necessary if the current ones have low miles. The cam mentioned is bigger than a stock cam but it's still well within the capacity of the stock springs.
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1990 5.0HO AOD XLT X-Cab F150 3.55LS, 1994 3.0L 5-sp x-cab Ranger 3.45, 2004 3.0L 5-sp X-cab Ranger Edge 4.10, 2004 2.5L 5-spd Subaru Legacy
1996 Kawasaki ZX11D, 2004 Honda 599, 2008 Kawasaki KLR650
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Old 11-20-2010, 06:20 PM
Beanscoot Beanscoot is offline
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To clarify my earlier post, what I mean by "small block" is 221-302 engines, not 351s or Boss 302s, although they are also sometimes considered "small blocks".
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Old 11-20-2010, 06:20 PM
 
 
 
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