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94cobra69ss396 · 10-11-2012, 07:52 PM

I ordered the kit today and as you can see from the change in the title I ordered the short rod 347 kit fro Coast High Performance. The original reason I was going to build a 331 instead of a 347 was because the 5.40 rod with the 3.40 stroke on the 347 puts the oil rings in the pin hole. This causes it to burn oil. With the short rod (5.315) it moves the pin lower to resolve that. So it won't burn oil and I'll have an additional 16 CI.

10-11-2012, 07:52 PM	#10
94cobra69ss396 Fast & Filthy Join Date: Jun 2008 Posts: 3,840 Tweet	I ordered the kit today and as you can see from the change in the title I ordered the short rod 347 kit fro Coast High Performance. The original reason I was going to build a 331 instead of a 347 was because the 5.40 rod with the 3.40 stroke on the 347 puts the oil rings in the pin hole. This causes it to burn oil. With the short rod (5.315) it moves the pin lower to resolve that. So it won't burn oil and I'll have an additional 16 CI.