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Old 06-19-2007, 07:30   #1 (permalink)
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rockers and push rods

hey guys. I have a 64 galaxie with a c6 and a 390fe. I was wondering if I need to get a different size push rods or different rockers other than factory size.
Cam (hydraulic)
intake @ 050 240
exhaust @ 050 246
intake duration 284
exhaust duration 296
intake lift 0.584 in.
exhaust lift 0.588 in.
Heads
2.090 intake valves
1.65 exhaust valves
intake ports 1.4 X 2.34 in.
bull bowl grinding and hardened exhaust seats
Intake
Eldebrock performer RPM with gasket matched porting
and a 750 cfm carb
custom tri-y headers
3 in. duals (flowmaster)

If there is any more info I need to post please let me know.
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Old 06-19-2007, 14:25   #2 (permalink)
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Re: rockers and push rods

Yep you'll need adjustable rockers with that cam. .550 is pushing it with non adjustables. I've always went no more than .535. So yes you'll need new rockers and ball and cup style pushrods. I hope new lifters are planned and just not mentioned. Rocker assys can get expensive so watch what your buying anf from who. You can look at DSC Motorsport Ford Racing Parts and get some ideas that fit the budget.
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Old 06-19-2007, 15:01   #3 (permalink)
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Re: rockers and push rods

You can buy the stock adj. rockers on ebay for about $200-250 depending on the bidding, or you can buy an new set of adj. roller rockers for about $325-350. I would do some shopping around first, and if your going to run high rpm's you might consider the 3/8 ball and cup pushrods. The 5/16 will more than likely do the job just fine, I personally would go with the bigger ones. Make sure that the ratio of the rockers are 1.76 ratio. The edelbrock intake you are going to use is OK, if you can aquire an edelbrock F-427 intake it would breathe better, it is the same design as the Police Interceptor intake, it's just preference again!
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Old 06-19-2007, 16:38   #4 (permalink)
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Re: rockers and push rods

If you want to compare some intakes try here........

332-428 Ford FE Engine Forum

Use the search box at the top of the forum and plug in "intake comparo". Leave the search box empty at the forum header and just hit "go". This will bring you to a new window. Enter "intake comparo" and search by "match" not "date".

Jay Brown did fairly extensive testing on most of the popular oem and aftermaket intakes on a mildly built 428. Very interestng results and some good reading. He also tested some 2x4 and tunnelrams. Results will differ from engine to engine but will give you a good base to work from.....
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Old 06-19-2007, 17:16   #5 (permalink)
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Re: rockers and push rods

If you want roller tip rockers. Try DSC Motorsports. They have them for$280 a set. I ran them for years on a solid roller cam with no issues. Here is a link

DSC Motorsport
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Old 06-19-2007, 17:38   #6 (permalink)
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Re: rockers and push rods

Hey Wes good to see ya surfin the forums!!

G.
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Old 06-21-2007, 08:48   #7 (permalink)
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Re: rockers and push rods

Thanks guys. Alot of good advise. I'll keep you posted.
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Old 07-02-2007, 21:50   #8 (permalink)
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Re: rockers and push rods

Quote:
Originally Posted by FFR428
Hey Wes good to see ya surfin the forums!!

G.
You Bet G! I try to make my rounds to the FE sites LOL. You probably get tired of seeing me on different sites LOL. Trying to share the wealth is all.
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