Best BBJD head for Pro farm 3000 rpm? December 29, 2011 12:16PM
Was wondering what the best head for a BBJD is for a 640 CI Pro Farm 3000 rpm motor? I know the 50 series are better than the 30/40 but another guy said dont waste my money on a 50 series buy one from a 8770? Any ideas or thoughts on flow and casting numbers that work best? Thanks!

Re: Best BBJD head for Pro farm 3000 rpm? December 29, 2011 05:54PM
Casting #R121675 = Later 8770

Re: Best BBJD head for Pro farm 3000 rpm? December 30, 2011 10:23AM
I've got a 70 series head for sale. Give me a call 270-860-9650

Re: Best BBJD head for Pro farm 3000 rpm? December 30, 2011 10:49AM
70 series will lower your compression one point but will flow better from the factory

Re: Best BBJD head for Pro farm 3000 rpm? December 30, 2011 01:37PM
Thanks for the info guys working on a budget and dont want to piss money away on parts that arent right or the best option. I see there is a 50 series head for sale on here. If a 70 series is better than 50 stock i am assuming after port, polish, big valves then a 70 series will still be better than the 50 with the same work? Besides REI who else is the best for BBJD work? Thanks



Edited 1 time(s). Last edit at 12/30/2011 01:50PM by mfd1221.

Re: Best BBJD head for Pro farm 3000 rpm? December 31, 2011 04:06AM
PERFORMANCE CYLINDER HEAD 423-554-5149

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