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05-10-2002, 12:36 PM
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#5 |
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Registered Member
Join Date: May 2001
Location: Harrisburg, Pennsylvania
Posts: 379
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??? ok i'm confused now ......i was thinking it might have been at tdc on the 2nd stroke instead of on the firing stroke .......on a 4 stroke engine the crank goes around twice before it fires....'tdc' on int/ex stroke then 'tdc' on compression/firing stroke ......if it's at 'tdc' on ex stroke both valves would be open a tiny bit (one opening ,one closing=intake/exaust).....if it's at 'tdc' on firing stroke and both valves are open then there's somthing eles wrong
the only other thing i can think of is the rockers might have to be shimed .......i would think that the lifters would bleed down if you have spring tension on them if they were pumped up to high...unless there new lifters or something ,they sould bleed off
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the "not so old",old guy 87 Mustang GT T-top >hanlon t-5, pro 5.0, centerforce clutch ,adj. cable/quatrant ,3.27s ,full 2 1/2 ex(off road H) adj. reg. ,e-cam ,70mm TB, cobra intake ,1.7rr ,ported/milled e7ets w/crane springs ,306 balaced/decked short block w/speed pro forged flat top pistons ...257rwhp/302rwt best et 13.7@102 (4/11 ) '80 Capri (future project,currently collecting parts for 351 moter) |
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