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#31 |
Senior Member
Join Date: Mar 2002
Location: NS CANADA
Posts: 760
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Certainly more qualified than me! I have a bunch of pictures i have to resize then i?ll post but be ready to be not impressed, lol.
Learning a lot following threads like this!
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Jim Miller 103 U/SA |
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#32 |
Member
Join Date: Jan 2004
Location: Belmont N.S. Canada
Posts: 464
Likes: 223
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This is the combo I use in my Chevelle. I?ve been working it at a few years and have it down to 330 in that body with automatic. I believe it?s 335-340 in Camaro/nova still
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Chris Chapman 1969 Chevelle NHRA F-G/SA 1090 |
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#33 |
Live Reporter
Join Date: Oct 2004
Location: Hickory, Ky
Posts: 10,387
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Lots of ways to go fast!
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#34 |
Senior Member
Join Date: Feb 2012
Location: Colorado Springs Colorado/Thousand Oaks Ca
Posts: 632
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Ok- so I finished the heads and started looking at the short block. The original plan was to run the reworked heads on the short block as delivered, but I wasn't happy with the short block and have started the rebuild on that. The dyno sheets I received with the engine showed a best of 441 HP I believe, I can post them if anyones interested, which sounds just right considering what the car ran. So what I found when the pan came off was stock GM rods with NHRA legal pistons with a standard ring pack, quite a bit of drag, the block was filled, .009 piston to wall clearance, a GM big truck pan with a crank scraper and a full length windage tray. Compression was way low considering what's allowed, probably 1/2 of a point, and then the offset head dowel pins and the butchered intake that goes along with that. On a good note the engine had an aluminum hub ATI balancer. So maybe we can get a nice performance gain, so I will go though the short block and get it together and run it on the dyno, then track test it in my F/SA Chevelle, and all by the time the air changes this fall.
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#35 |
Senior Member
Join Date: Feb 2012
Location: Colorado Springs Colorado/Thousand Oaks Ca
Posts: 632
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The line hone is done, next the block will be decked, then TQ plate honed to .069 over.
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