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04-16-2004, 11:09 AM | #1 |
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Join Date: Apr 2004
Location: Flintstone GA
Posts: 6
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289 bent push rod
Just built my 289, less than 100 miles it started clicking and progressively got worse. Took valve cover off and found bent pushrod. Could someone give me some idea what could cause this and what I have to do to fix it.
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04-16-2004, 11:59 AM | #2 |
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Join Date: Sep 2002
Location: NYC
Posts: 245
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If you're running an adjustable valvetrain and it was set too tight the pushrod would bend.
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1970 Stang Conv: en:Boss351 (balanced/blueprinted) mech cam(240*@.050/.540 lift) Scrw in studs/comp cams rllr rkr Mldn valves 2.19in 1.71ex ported polished cc'd hrdnd ex Keith Black FT pistons(10.25/1) Weiand Excellorator manifold Holley700 DP mech 2nds MSD 6 box and Dis Headers/2 1/2 inch duels tr: modified FMX re:9-inch/3.89 limited slip |
04-16-2004, 12:20 PM | #3 |
Registered Member
Join Date: Apr 2004
Location: Flintstone GA
Posts: 6
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OK I could have done that, I'm not perfect by a long shot, I.ll drop another one in and try again. Could that have destroyed my lifter too?
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04-16-2004, 12:25 PM | #4 |
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Join Date: Apr 2004
Location: Flintstone GA
Posts: 6
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I just thought a little more about what you said, The valve train is hydraulic, I did put the hydraulic version of the HI-PO cam in it when it was rebuilt, also put the heavier double springs.
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04-16-2004, 07:06 PM | #5 |
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Join Date: Nov 1998
Location: Houston, Tx.
Posts: 3,887
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even with hydraulic?
Yes, a too tight adjustment or binding valve train could bend a push rod . None others were bent though, right? I would just replace it, adjust it correctly, and try again.
Rev
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'66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi. O.B.C. #2 '66 coupe |
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