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#1 |
Registered Member
Join Date: Jul 2000
Location: Rochester
Posts: 323
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![]() I'm planning on upgrading to a new set of 1.7 rocker arms and figured I might as well replace the stock pushrods. The problem is that I'm running into different size pushrods available for the roller cams. Comp Cams has a set that are 6.250, Ford Racing has a set that are 6.272, and Crane has a set that's 6.258 inches long. I would think that the Ford racing rods would give the stock cam with 1.7 rockers would be a good combo with my Comp Cams valve springs. But I'm worried about too much valve lift, and piston to valve clearence..
If anyone has any input I'd greatly appreciate it.... Thanks
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95 GT convertable, ported+polished GT40 heads, port matched upper and lower Cobra intake manifold, Flowthech headers, Catco hi-flow h-pipe with 2 hi-flow cats, Mac true fit catback exhaust, 3.73 gears, underdrive pullies, Edelbrock 70mm throttle body, Mac cold air intake, FMS 24lb injectors, Granatelli 75mm mass air |
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#2 |
T.P.M. President
Join Date: May 2002
Location: Brownsville
Posts: 265
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![]() Get an adjustable pushrod length checker.
Color the valve tip with some black magic marker. install the checker and rocker arm. manually rotate the engine a few times. take the rocker off. check where the marker was rubbed off. it should be worn off in a stripe sideways across the middle of the valve tip. measure the length checker. Presto.
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#3 |
Registered Member
Join Date: Mar 2003
Location: Saint Louis, MO
Posts: 634
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![]() Stud mount or pedistal mount rockers?
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Tom (Torque) Moss 88Gt 5spd Vert, FLowmaster Catbacks, stock cam advanced 4° @ 108.5° ICL, NMRA prepped GT40P heads 1.85/1.55 valves and 1.7 rockers, MAC P headers Jet-Hot coated, 97 Exlporer intake (ported lower), TB and injectors. 277RWHP/330RWTQ (SAE). http://www.fastlanecars.com/ |
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#4 |
Registered Member
Join Date: Jul 2000
Location: Rochester
Posts: 323
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![]() they have the stock pedistal mount rockers
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95 GT convertable, ported+polished GT40 heads, port matched upper and lower Cobra intake manifold, Flowthech headers, Catco hi-flow h-pipe with 2 hi-flow cats, Mac true fit catback exhaust, 3.73 gears, underdrive pullies, Edelbrock 70mm throttle body, Mac cold air intake, FMS 24lb injectors, Granatelli 75mm mass air |
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#5 | |
I'd rather be basketweaving
Join Date: Feb 2000
Location: Indianapolis
Posts: 2,551
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![]() Quote:
Why are you replacing the pushrods? Is there something wrong with them?
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NMRA O/C 9516 NA pumpgas stickshift 347 10.65@125.6, 6.73@100, 1.41 60ft |
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#6 |
Registered Member
Join Date: Jul 2000
Location: Rochester
Posts: 323
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![]() Nothing's wrong with them, but I figured since I already had them taken apart, I might as well replace them. They are basically one of the only stock components left in the motor.
__________________
95 GT convertable, ported+polished GT40 heads, port matched upper and lower Cobra intake manifold, Flowthech headers, Catco hi-flow h-pipe with 2 hi-flow cats, Mac true fit catback exhaust, 3.73 gears, underdrive pullies, Edelbrock 70mm throttle body, Mac cold air intake, FMS 24lb injectors, Granatelli 75mm mass air |
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