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Old 02-24-2011, 12:44 AM
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289fia_cobra 289fia_cobra is offline
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Join Date: Mar 2004
Location: Sunnyvale, CA
Cobra Make, Engine: Factory Five Racing MKIII Roadster 347
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Quote:
Originally Posted by wanab5150 View Post
How long did the first two builds last before rebuilding? That's a heck of a intake manifold. Will that and the air cleaner fit under the hood? looks like about 400 to 450 HP at the crank with 9to1, a good cam, and the Edelbrock heads etc......pretty! That would look nice sitting on a stand in my living room.
Build #1 lasted maybe 100 miles if even that. The "331" I thought I was getting turned out to be more like a 317 due to stroker crank that was re-welded to achieve a longer stroke. Shook like crazy but was told it was zero balanced (it wasn't) and I didn't want to bother trying to figure it out.

Build #2 is the short block from CHP as a 347 stroker fully balanced and blueprinted. Transferred the entire top-end from the other motor to this one; ran this for the last 11,000 miles but a leak at the timing chain cover forced me to take it apart and since I was in winter mod. mode, I decided to do a lot of other things - motor upgrade was the first.

Static compression ratio is actually in the ball park of 10:1. Should be getting 450 HP. Bump stick appears to be a CompCam XE282HR. Heads are Vic. Jr. and Intake is a Vic. Jr. knock-off. It all fits under the hood.
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Last edited by 289fia_cobra; 02-24-2011 at 12:46 AM..
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