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post #1 of 10 (permalink) Old 09-19-04, 01:59 AM Thread Starter
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not happy need new block

i found a bad scratch down both sides of one of the cylinders.theres a mark on the sides of the pistons and the rings look like new but i cant figure out what caused this?the scratch is about 2mm deep and since my blocks 40thou already now i need a new block fantastic anyway what i want to know is there any diference with 250 blocks from cortys to falcons or are they all the same.and does anyone have one theyed like off there hands

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post #2 of 10 (permalink) Old 09-19-04, 02:18 AM
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Re: not happy need new block

Blocks are the same just have to move the dipstick to rear hole , it's already there but plugged with a bearing . Possible thought for damage to old block maybe gudgeon pin has slid across .
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post #3 of 10 (permalink) Old 09-19-04, 03:14 AM
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Re: not happy need new block

Like BLKEBXR8 said, its the gudgeon pin. Its reasonably common.
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post #4 of 10 (permalink) Old 09-19-04, 03:24 AM Thread Starter
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Re: not happy need new block

what can be done to stop this from happening again
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post #5 of 10 (permalink) Old 09-19-04, 05:45 AM Thread Starter
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Re: not happy need new block

its the round pin that holds the piston to the conrod
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post #6 of 10 (permalink) Old 09-20-04, 04:49 AM
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Re: not happy need new block

if the rest of the block is fine & all the pistons are good ask a machine shop about re-sleaveing the damaged bore

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post #7 of 10 (permalink) Old 09-21-04, 02:04 AM Thread Starter
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Re: not happy need new block

Quote:
Originally Posted by rod
if the rest of the block is fine & all the pistons are good ask a machine shop about re-sleaveing the damaged bore

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rod
rod ive thought about that and since im building this motor to have a bit of grunt i wasnt sure if sleeving was good or not.plus 250 xflow blocks are cheap enough to come by
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post #8 of 10 (permalink) Old 09-25-04, 11:29 PM
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Thumbs up Re: not happy need new block

Quote:
Originally Posted by dicast
i found a bad scratch down both sides of one of the cylinders.theres a mark on the sides of the pistons and the rings look like new but i cant figure out what caused this?the scratch is about 2mm deep and since my blocks 40thou already now i need a new block fantastic anyway what i want to know is there any diference with 250 blocks from cortys to falcons or are they all the same.and does anyone have one theyed like off there hands
ay man always ready to help out a fellow ford nut..are you near blacktown? i have a xf 250 alloy head motor with a efi head its got low ks and was goin good when it was pulled from the car i think its virgin bore and ya can have it for a bottle of jim beam.....come and get it ps is all the ceramic still on your plugs? if ya drop a bit of that in a bore itll wear it out in no time?

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post #9 of 10 (permalink) Old 09-26-04, 03:01 AM Thread Starter
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Re: not happy need new block

yes302 you have a p.m
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post #10 of 10 (permalink) Old 10-20-04, 01:00 AM
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Re: not happy need new block

dicast you have a p.m.

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