Watch out for pushrod lenghts!!

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Jan 23, 2004 | 08:36 PM

polcat

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Joined: Jun 2001

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From: Corpus Christi, Texas

Watch out for pushrod lenghts!!

Hey just wanted to let any of you new Fe guys to watch out on pushrod lenghts. I installed a new cam in my Ford 390 and ground up my brand new cam. I have recently gone completely through the engine and found out that I had .080" preload on my lifters. OUCH!!!!!! It should be between .020" - .040" I have reacently order my pushrods and wating for them to get here so I can finaly start my truck back up. This is on a 390 engine with out adjustable rockers.

Jan 23, 2004 | 10:47 PM

baddad457

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Joined: May 2003

Posts: 11,141

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From: south louisiana

With that much preload, the motor should have really run like crap. I also thought I would need longer pushrods on my 390, so I bought a set of custom .060 longer smith bros. rods. Turned out they were too long. The motor ran like crap, sounded like it had a massive vacuum leak. Spent 2 minutes with it like that, before shutting it down and swapping in a used set of stock length rods. Runs perfect now.

Last edited by Ratsmoker; Jan 24, 2004 at 12:00 AM.

Jan 23, 2004 | 11:03 PM

Fritolay

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Joined: Jan 2004

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From: in the springs

i bought the adjustable rockers and matching rods for my motor and must say i liked them and think they were worth the money

Mar 14, 2004 | 10:12 AM

debestuss

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Joined: Feb 2004

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From: Fort Rucker, AL

With Ford making 4 different lengths for pushrods, which one is stock. I bent one and bought some more but the ones I bought are just a shade longer. I bought 9.59. What is the point of having 4 different lengths? Is this going to mess up my cam if I put them in?
Non adjustable valve train, hydraulic lifters, stock cam