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turbodave
dave cox

(51 posts)

Registered:
04/30/2018 03:00PM

Main British Car:


Suggestions for porting heads
Posted by: turbodave
Date: February 04, 2021 04:26PM

I simply don't have the time to port the heads myself. Anyone have suggestions on a US based outfit that is recommended.
I know I can simply purchase from the wedge shop, but I'd prefer to work directly with the one who does the porting, not the middle-man. I also don't want to spend on a set of F85 heads - I need to keep the Rover heads.

Thanks!


minorv8
Jukka Harkola

(214 posts)

Registered:
04/08/2009 06:50AM

Main British Car:
Morris Minor Rover V8

Re: Suggestions for porting heads
Posted by: minorv8
Date: February 05, 2021 04:02AM

Dave, F85 refers to Merlin headsIi suppose. I bought them ages ago to replace my home ported big valve Rover heads to and I was quite surprised how little i gained with them. Sure, on paper they were a major upgrade but even with mild porting they just did not perform. At that time they were reasonable priced, basically the same as having a set of std rover heads ported and machined and fitted with all new parts. The price nowadays is simply silly. Based on my own experience I would not pay that much money.

I am now replacing the Merlins with Wildcat heads. That has not been quite so straight forward as I thought...

Sorry, this does not answer your enquiry the least bit :-)


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6003 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: Suggestions for porting heads
Posted by: BlownMGB-V8
Date: February 05, 2021 12:00PM

Worth considering the TA heads? Pretty good unported.

Jim


roverman
Art Gertz
Winchester, CA.
(3089 posts)

Registered:
04/24/2009 11:02AM

Main British Car:
74' Jensen Healy, 79 Huff. GT 1, 74 MGB Lotus 907,2L

Re: Suggestions for porting heads
Posted by: roverman
Date: February 09, 2021 12:00PM

FWIW, I had McKensie port my Merlins,(Oxnard, Ca.). We have posted the flow bench results here. AIR., about 220 cfm. in intake @ .6" lift. Dan Jones, of this forum has all the spec's. Art.


minorv8
Jukka Harkola

(214 posts)

Registered:
04/08/2009 06:50AM

Main British Car:
Morris Minor Rover V8

Re: Suggestions for porting heads
Posted by: minorv8
Date: February 12, 2021 03:52AM

Art, have you fitted the Merlins to some engine. Would love to hear what they make in real life.


roverman
Art Gertz
Winchester, CA.
(3089 posts)

Registered:
04/24/2009 11:02AM

Main British Car:
74' Jensen Healy, 79 Huff. GT 1, 74 MGB Lotus 907,2L

Re: Suggestions for porting heads
Posted by: roverman
Date: February 17, 2021 11:51AM

Jukka and all, Merlins are pretty "thick", so plan is a 6V-71 blown RV8. Likely a 4L. Going in my 51' Buick, led sled.,( 4" chopped but NO led ) ! Car is to "later" get an RV16. Yes there IS room since it had a straight eight.
Onward, Art.


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