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Discussion Starter #1
ok i just got two sets of lifters for my 18* stuff.
isky and crowers.
the crowers are offset on both the intake and ex lifter??? is that going to cause a problem?
the isky's are just offset on the intake.

if the crowers do work is there an advantage to having both offset?

thanks
 

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Both is fine it doen't matter much I have both offset myself, if that's your couse I would use the crower, are they the new oil feed or the old style? if there used check them out real good
 

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The smart thing is not to put used lifters into an engine that you care about. They can feel great all you want but you can't see pits or fractures in axles or pins unless they're apart.

Ask Chris U about his experience with used lifters. They felt good and were supposedly low mileage pieces but they broke almost immediately. Used lifters are one of the biggest no-no's in the book. The engine costs way more than a set of lifters and you will destroy pistons, bores, an oil pump, lifter bores, plus potentially damage the rods if one fails. Not a good move.
 

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I would double check with Crower.. the double offsets are usually used with gm sb2.2 heads and a standard block, pretty sure the 18 deg heads used a single offset type lifter

mike
 

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Discussion Starter #5
they are used :( but only a couple dyno pulls. can barely see any scratches on the sides. i know its risky but if i screw up my block just gives me a reason to buy a dart block or something and upgrade to a bigger lifter. i'm already half way through the season. they'll hold for a few months.
 

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How can you be sure they've only got a couple dyno pulls on them? Do you know for certain whether the engine's valvetrain was in control during those runs?

Please don't take any offense when I say this, but your rationalization for using relatively unknown used parts that can become a source of significant costs if they fail is hard to understand.

There again, I don't like lottery tickets or casinos either. :-D
 

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Discussion Starter #7
well i know the guy that had them. and he builds racing small blocks for a living. so i trust him. i know its probably not the best thing to do. but winter is coming up fast and i won't run it every weekend. so i figure they will hold. the current ones in my 383 are WAY WAY old and WAY used. and no problems yet. so i'll take the gamble on runnin these for the rest of this season.
 

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Dave did you end up with a spare set of lifters? If they are offset .180 on the intake and centered on the exhaust I am needing a set to mock up my engine. I plan on using a set of crower or isky lifters when I get a chance to put it together. Just don't want to spend the money on something that is going to set on the shelf for several months if I don't have to.

Let me know what you have or if you know someone that has a spare set.
 

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Discussion Starter #9
no i only have one set now. sorry man
 
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