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Re: max wedge on pump gas?
[Re: keith airgrabber]
#967465
04/06/11 12:38 AM
04/06/11 12:38 AM
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Joined: Nov 2003
Posts: 5,160 Texas
dannysbee
master
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master
Joined: Nov 2003
Posts: 5,160
Texas
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Keep the compression around 10 to 1, have hard seats put in the heads and run the .528 solid mopar performance cam. 11" 3000 stall converter and 3.91 gears would make for snappy performance and still be street friendly. Nice Car.
Getting old just means you were smarter than some and luckier than others.
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Re: max wedge on pump gas?
[Re: AndyF]
#967468
04/06/11 02:32 AM
04/06/11 02:32 AM
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Joined: Jan 2003
Posts: 27,421 Balt. Md
383man
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 27,421
Balt. Md
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Quote:
If those are original Max Wedge heads in good shape then sell them to someone who needs them. Take the money and buy some reproduction heads or better yet, aluminum heads with closed chambers. Then you can run pump gas and the engine will work better. You should be able to get enough money from the original MW heads to finance the parts you need.
Very good advise. Real Max Wedge heads can bring good money as many race classes say you need the right heads and many will pay good money. As Andy said sell them and get a pair of new aluminum heads (EDDY , STEALTH , INDY) that will perform better and weigh less. Unless you are building it and have to use original heads this is the best advise. You can run more comp with aluminum heads just to start. Then if you really want to run pump have a good eng builder find out how you want to use the car and have them spec out the build. I myself am building an eng right now for my 63 Sport Fury. It will be a pump gas stroker with Indy EZ aluminum heads. Ron
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Re: max wedge on pump gas?
[Re: keith airgrabber]
#967470
04/06/11 03:32 AM
04/06/11 03:32 AM
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Joined: Apr 2008
Posts: 301 California
court9155
enthusiast
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enthusiast
Joined: Apr 2008
Posts: 301
California
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Stealth heads are cool and all, I have a set in my garage that my coworker bought to use on his 451 but they have been ported and polished with good hardware put in them....put another 800 bucks into them at Mopar Engines West. (thanks Angie). They work great now but for a total cost of 1800 bucks......
Reason is because when they came out of the box there was a huge step on the back of the intake valve seats that you could feel and see not just something that caught your finger nail....and the spring pressures were 115 and 320 which didnt work for him.
Dan
67 charger
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Re: max wedge on pump gas?
[Re: court9155]
#967471
04/06/11 08:21 AM
04/06/11 08:21 AM
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Joined: May 2007
Posts: 1,443 Maryland
Dads426
pro stock
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pro stock
Joined: May 2007
Posts: 1,443
Maryland
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You will have to be careful using the 286 heads. With aftermarket forged pistons in a 440 the compression ratio will be beyond the limit of pump gas. You may be able to play with head gasket thicknesses or dished pistons to lower it, but it may not be enough. Also, the original cross ram intake will have max wedge ports which will be mismatched significantly when using a stock port head like the Stealth head (unless work is done). Signature pic has the backup motor which is a 0.030 over 440, forged 6-pack pistons, 286 heads (measured at 74 cc's), 0.020 head gaskets for 11.0-1 compression.
2012 422 Allstars NSS Champion 2013 422 Allstars NSS Champion 2014 422 Allstars NSS Champion
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