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06-08-2017, 10:52 AM | #21 | |
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Re: Hardblock?
Quote:
It looks like I should have started a separate thread on the 273. I thought the hardblock info would carry over between the brands, but it looks like things got corn-fused.
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06-08-2017, 01:18 PM | #22 |
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Re: Hardblock?
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don,t have one |
06-08-2017, 01:32 PM | #23 | |
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Re: Hardblock?
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I agree with you 100%. |
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06-08-2017, 04:19 PM | #24 |
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Re: Hardblock?
hey... we all want a good block !!!
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06-08-2017, 05:58 PM | #25 |
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Re: Hardblock?
Save yourself the aggravation, I hard blocked my 010 block and went .060. With new cp pistons. After the 1st pass the car slowed down. Made about 20 more runs on it. Tore it apart this winter and the cylinders where .008 out of round. And my new pistons skirts where scuffed really bad. Do yourself a favor and just get a SHP block and be done with it.
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06-08-2017, 06:25 PM | #26 | |
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Re: Hardblock?
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I was going to post that as I have seen what you observed with your build but most think I post that to sell new blocks. |
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06-08-2017, 06:36 PM | #27 | |
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Re: Hardblock?
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Things that should be addressed when having one of those blocks machined. – Main housing bores chamfered – Freeze plug holes and rear cam hole are chamfered – Line honed to at least the middle of the spec or high side if needed – Decked to your demension – Bore to your spec – Plate honed using the same gasket and hardware that will be used in the end build – Lifter bores checked and honed to the lifters that will be used in the end build – Top of lifter bores chamfered – Bottom of the cylinders chamfered – Tap oil galley holes deeper – Chamfer Distributor hole for O rings. |
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06-08-2017, 06:36 PM | #28 |
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Re: Hardblock?
that is great advice for chevy people, how about small block mopars?
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06-08-2017, 10:38 PM | #29 |
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Re: Hardblock?
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06-08-2017, 10:52 PM | #30 |
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Re: Hardblock?
I use Halco Machine Grout in the BB Chryslers and never had any out of round issues. Is the Hardblock the issue or is it because the Chevy blocks are softer and maybe thinner. I'd love to have one of the new aftermarket BB Chrysler blocks avail but at 4K that probably wont happen. I use the 413 industrial blocks for my 63 and they are about .300" before machining but filled a standard 383 block for my Challenger about 3 years ago and haven't machined it yet so I think it's cured by now. How long are the people who had trouble with the Chev's waiting before machining.
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