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Re: KB pistons and I did some measuring
[Re: flatiron]
#579200
01/10/10 10:54 PM
01/10/10 10:54 PM
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Joined: Dec 2007
Posts: 77 British Columbia Canada
Challenger340
member
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member
Joined: Dec 2007
Posts: 77
British Columbia Canada
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You say 80K on the Engine ? I'd be more concerned with "where" the ridge is, so that the new Pistons/Rings aren't trying to run over it ?
Better to be a "has been" than a "never was".
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Re: KB pistons and I did some measuring
[Re: dodgeboy11]
#579203
01/10/10 11:30 PM
01/10/10 11:30 PM
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Joined: Mar 2008
Posts: 724 PA USA
flatiron
OP
super stock
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OP
super stock
Joined: Mar 2008
Posts: 724
PA USA
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Quote:
The question you should be asking yourself is, if the bores were good enough to run before, why'd you tear it apart? I'd re-ring it and use the stock pistons. If you're going to go to the expense of putting pistons in it, then have it bored to the next available size that the bores will clean up at. Prolly a .020 or .030.
I tore it apart for a few reason's to replace the 318 I now have,to up the compression and I've never built a engine
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Re: KB pistons and I did some measuring
[Re: flatiron]
#579206
01/11/10 02:09 AM
01/11/10 02:09 AM
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Joined: Feb 2007
Posts: 1,025 Las Vegas, NV
dodgeboy11
super stock
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super stock
Joined: Feb 2007
Posts: 1,025
Las Vegas, NV
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Quote:
I tore it apart for a few reason's to replace the 318 I now have,to up the compression and I've never built a engine
Ahh, I understand now. I'd still have it bored. If you've never built an engine, don't make things difficult on yourself. Get it machined and things will go so much better for you.
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Re: KB pistons and I did some measuring
[Re: flatiron]
#579207
01/11/10 06:44 AM
01/11/10 06:44 AM
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Joined: Jan 2003
Posts: 75,071 U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,071
U.S.S.A.
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Quote:
I only checked the front and it was within .01 from side to side
.01 ??? that would mean one side was 9.601 and the other was either 9.611 or 9.591 , thats a HUGE descrepency
Bore and square decking are in that block near future . The pistons will not be oversize enough for you to hone out the cylinders straight and round again , bore clearance is built into the piston .
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Re: KB pistons and I did some measuring
[Re: JohnRR]
#579208
01/11/10 12:16 PM
01/11/10 12:16 PM
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Joined: Mar 2008
Posts: 724 PA USA
flatiron
OP
super stock
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OP
super stock
Joined: Mar 2008
Posts: 724
PA USA
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Quote:
Quote:
I only checked the front and it was within .01 from side to side
.01 ??? that would mean one side was 9.601 and the other was either 9.611 or 9.591 , thats a HUGE descrepency
Bore and square decking are in that block near future . The pistons will not be oversize enough for you to hone out the cylinders straight and round again , bore clearance is built into the piston .
Was looking at my notes the crank to bank measurement was 9.601 on the left and 9.599 on the right
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Re: KB pistons and I did some measuring
[Re: flatiron]
#579209
01/11/10 06:56 PM
01/11/10 06:56 PM
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Joined: Jan 2003
Posts: 75,071 U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,071
U.S.S.A.
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Quote:
Quote:
Quote:
I only checked the front and it was within .01 from side to side
.01 ??? that would mean one side was 9.601 and the other was either 9.611 or 9.591 , thats a HUGE descrepency
Bore and square decking are in that block near future . The pistons will not be oversize enough for you to hone out the cylinders straight and round again , bore clearance is built into the piston .
Was looking at my notes the crank to bank measurement was 9.601 on the left and 9.599 on the right
did you check from to back both sides ?
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