Re: Aluminum Main caps from one block to another???
[Re: moparlulu]
#2597845
12/28/18 01:25 AM
12/28/18 01:25 AM
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Joined: Jun 2005
Posts: 6,257 gulfport, ms, west mi
rowin4
master
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master
Joined: Jun 2005
Posts: 6,257
gulfport, ms, west mi
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The only reason that I can see why they wouldn't fit if when the damage occurred it may have damaged the caps. Other had that probably a slight clean up with a align bore. The caps are made to fit any block of the same main journal size.
it's ok to butt heads, just don't do it with a butthead
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Re: Aluminum Main caps from one block to another???
[Re: moparlulu]
#2597930
12/28/18 11:11 AM
12/28/18 11:11 AM
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Joined: Sep 2014
Posts: 4,457 Washington
madscientist
master
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master
Joined: Sep 2014
Posts: 4,457
Washington
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The old block developed a crack in #8 cyl bore. that's the main reason I'm changing blocks. I knew I'd have to have the other block aligned bored was just wondering about the fitting of the cap from one to the other, as I was under the impression it was a block specific kind of thing. As long as they fit tight in the registers you'll be GTG. You may have to cut a bit off the caps to get something to work with. I've done it may times.
Just because you think it won't make it true. Horsepower is KING. To dispute this is stupid. C. Alston
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Re: Aluminum Main caps from one block to another???
[Re: moparlulu]
#2598001
12/28/18 03:15 PM
12/28/18 03:15 PM
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Joined: Aug 2003
Posts: 43,157 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,157
Bend,OR USA
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Did it crack the cylinder wall only or is it cracked down in the main webbing ?
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Aluminum Main caps from one block to another???
[Re: Jerry]
#2598920
12/30/18 07:31 PM
12/30/18 07:31 PM
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Joined: Jan 2003
Posts: 771 Btween a rock and a hard place
moparlulu
OP
super stock
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OP
super stock
Joined: Jan 2003
Posts: 771
Btween a rock and a hard place
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7075 aluminum has a higher tendency to crack since they are harder. at bcr we have had a few caps crack from guys really pushing the envelope over the years, but the percentage of caps that cracked vs the percentage that we produced is down around .1% Nice! This motor is and was a fairly mild engine compared to most street/strip motors on here. Really, did I even need them??? I'm not concerned in the least about breaking a cap, I just liked the idea of "Lessing the load on a block"...... Hindsight........ should of went to a different shop that checked thickness in the first place. lesson learner!!! Thank again everyone
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