Originally Posted by zipper06
Have you already had this motor running? i think it might be hard to get 11 lb's boost out of an 871 on that big of a motor and heads without running 25 to 30% overdrive unless it's a high helix blower. But if you can i would think anywhere between 1150 and 1300. I hope you have down nozzles on it.
JMO
Zip.
Yes had 11lbs at +10% overdriven with this motor last year with less compression But hard to start. reason for going to 12 to 1 compression. Yes to the down nozzles.
Thanks Zip