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Re: will it be be absolutely necessary to mill the heads? [Re: Mr.Yuck] #1173180 02/09/12 09:53 PM 02/09/12 09:53 PM
Joined: Jan 2003 Posts: 75,043 U.S.S.A. JohnRR I Win
JohnRR I Win Joined: Jan 2003 Posts: 75,043 U.S.S.A.	Quote: Quote: Hello everybody, I have a set of new MP 452 heads in the box(84cc chamber)for my 440 engine. Using a comp calculator i would get a comp ratio of 9.30 with a .039" gasket. Well, i sent a mail to Hughes for ordering one of their whisplash cams,and they said to me that 9.30 is too low for aluminium heads and i will need to mill the heads 0.50 or 0.60.. Also said that a .020 gasket is not an option for alu heads. I,m not very happy about that idea...troubles with the intake fitment,valve clearances etc... What is your opinion? Thanks a lot in advance for any input. aren't 452's iron? What'd I miss? Some guys use steel shim gasket w/ alum heads.. If you read up higher you would have seen we discussed this . About 5 yrs ago MP released a new alum head that I am pretty sure is NHRA legal, it's an Ebrock RPM with straight spark plugs and a freeze plug on the end , they call it the 452.

Entire Thread
Subject	Posted By	Posted
will it be absolutely necessary to mill the heads?	Coke	02/06/12 01:01 PM
Re: will it be be absolutely necessary to mill the heads?	JohnRR	02/06/12 01:23 PM
Re: will it be be absolutely necessary to mill the heads?	bobs66440	02/06/12 01:26 PM
Re: will it be be absolutely necessary to mill the heads?	DaytonaTurbo	02/06/12 08:40 PM
Re: will it be be absolutely necessary to mill the heads?	Twostick	02/06/12 10:21 PM
Re: will it be be absolutely necessary to mill the heads?	dogdays	02/07/12 12:37 AM
Re: will it be be absolutely necessary to mill the heads?	Coke	02/07/12 12:52 PM
Re: will it be be absolutely necessary to mill the heads?	bobs66440	02/07/12 02:49 PM
Re: will it be be absolutely necessary to mill the heads?	JohnRR	02/07/12 03:29 PM
Re: will it be be absolutely necessary to mill the heads?	Coke	02/09/12 12:28 PM
Re: will it be be absolutely necessary to mill the heads?	JohnRR	02/09/12 02:48 PM
Re: will it be be absolutely necessary to mill the heads?	383man	02/09/12 07:01 PM
Re: will it be be absolutely necessary to mill the heads?	Coke	02/10/12 12:12 AM
Re: will it be be absolutely necessary to mill the heads?	Stanton	02/17/12 06:04 PM
Re: will it be be absolutely necessary to mill the heads?	RapidRobert	02/06/12 03:35 PM
Re: will it be be absolutely necessary to mill the heads?	dogdays	02/06/12 05:42 PM
Re: will it be be absolutely necessary to mill the heads?	JohnRR	02/06/12 05:49 PM
Re: will it be be absolutely necessary to mill the heads?	dogdays	02/06/12 07:31 PM
Re: will it be be absolutely necessary to mill the heads?	JohnRR	02/06/12 07:53 PM
Re: will it be be absolutely necessary to mill the heads?	BSB67	02/07/12 01:58 AM
Re: will it be be absolutely necessary to mill the heads?	JohnRR	02/07/12 06:12 AM
Re: will it be be absolutely necessary to mill the heads?	BSB67	02/07/12 12:33 PM
Re: will it be be absolutely necessary to mill the heads?	Mr.Yuck	02/10/12 01:35 AM
Re: will it be be absolutely necessary to mill the heads?	JohnRR	02/10/12 01:53 AM
Re: will it be be absolutely necessary to mill the heads?	RodStRace	02/10/12 02:43 AM
Re: will it be be absolutely necessary to mill the heads?	dogdays	02/10/12 01:45 AM
Re: will it be be absolutely necessary to mill the heads?	Coke	02/10/12 10:32 PM
Re: will it be be absolutely necessary to mill the heads?	Coke	02/15/12 09:48 PM
Re: will it be be absolutely necessary to mill the heads?	JohnRR	02/15/12 10:53 PM
Re: will it be be absolutely necessary to mill the heads?	Coke	02/16/12 10:25 PM
Re: will it be be absolutely necessary to mill the heads?	Coke	02/17/12 01:52 PM
Re: will it be be absolutely necessary to mill the heads?	JohnRR	02/17/12 04:37 PM
Re: will it be be absolutely necessary to mill the heads?	Coke	02/17/12 10:05 PM
Re: will it be be absolutely necessary to mill the heads?	JohnRR	02/18/12 02:04 PM
Re: will it be be absolutely necessary to mill the heads?	OzHemi	02/17/12 10:09 PM
Re: will it be be absolutely necessary to mill the heads?	Stanton	02/17/12 11:02 PM
Re: will it be be absolutely necessary to mill the heads?	Coke	02/18/12 12:46 AM
Re: will it be be absolutely necessary to mill the heads?	Stanton	02/18/12 02:15 AM
Re: will it be be absolutely necessary to mill the head	dogdays	02/18/12 04:36 AM
Re: will it be be absolutely necessary to mill the head	JohnRR	02/18/12 02:07 PM
Re: will it be be absolutely necessary to mill the head	dogdays	02/18/12 10:41 PM
Re: will it be be absolutely necessary to mill the head	dogdays	02/18/12 11:24 PM
Re: will it be be absolutely necessary to mill the head	Coke	02/18/12 11:42 PM
Re: will it be absolutely necessary to mill the heads?	Dodgem	02/18/12 06:14 PM
Re: will it be absolutely necessary to mill the heads?	Stanton	02/18/12 07:35 PM

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