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#42
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.0018-.0020, no more than .0020. Depending on the lifters, you'll want to measure every one. I would recommend Morel lifters as they seem to hold the best tolerances and run on the large side compared to most others.
#43
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Had same problem on 540s, wound up being lifter only had .0005 clearance . Thought it was guide clearance. Dart lifter bores are on the low side of the tolerance and lifters must be fit by brand as sizes differ .
Last edited by KAOSS; 11-28-2015 at 04:24 PM.
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My dart block with morel lifters is now .0017 no more problems. Runs 43 -5300 rpm for 70 miles. Makes 680 /680 4700/5600.
Last edited by KAOSS; 11-28-2015 at 04:22 PM.
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Sorry we put comp short travel lifters in. I have one that is 670 at 5600 then I put flame arestor on and it went to 680 previously with tight lifters this motor only made 550 at 5600. These motors I built with dart iron eagle 320s .
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[ATTACH=CONFIG]548146[/ATTACH]
Ill look for the final sheet with the 680 . I made like 10 pulls on the motors. Cam is small ill find you the card . Comp 9.6:1 115 cc no porting just bowl blend after hand fit on the valves .
Ill look for the final sheet with the 680 . I made like 10 pulls on the motors. Cam is small ill find you the card . Comp 9.6:1 115 cc no porting just bowl blend after hand fit on the valves .
Last edited by KAOSS; 11-29-2015 at 05:15 PM. Reason: forgot to add text
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Well picked up my engine yesterday. I have to give BES engines the thumps up. My cost zero$$$$.
Thanks Tony Bischoff and staff I will be back with all of my engine needs.
Thanks Tony Bischoff and staff I will be back with all of my engine needs.