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Author Topic: M/PG cylinder head  (Read 2034 times)

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Offline ghornbostel

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M/PG cylinder head
« on: March 24, 2011, 10:19:00 PM »
engine class 7.J.9  Is replacement head defined somewhere in a earlier ruling?  I haven't read the book through many, many times yet but haven't seen it defined as to stock replacement, modified stock, special casting  ect ect.

Regards
Greg Hornbostel
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Offline ol38y

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Re: M/PG cylinder head
« Reply #1 on: March 24, 2011, 10:35:22 PM »
As long as you're not running P class you can run any head you want as long as it has the same number of valves. Cases have to be oem or you move to A. Now if you're talking V I think there are some restrictions. But, if you could be more specific your question might be answered better. idk
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Larry Cason
Bakersfield,CA    It's a dry heat!

2010 BUB 1350 M-PG record
2012 Speedweek  1350 A-PG record 169.975
2014 El Mirage Dry Lake  1350 A-PG  172.651

Offline ghornbostel

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Re: M/PG cylinder head
« Reply #2 on: March 24, 2011, 10:44:34 PM »
To be specific, can a special made head with the same number of valves as production be used in modified/pushrod gas or fuel class. 

Regards
Greg Hornbostel
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Offline ol38y

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Re: M/PG cylinder head
« Reply #3 on: March 24, 2011, 10:50:18 PM »
LOL, yes. I was meaning who's head but that's ok...  :cheers:

Going by the rule you quoted I'll assume you're talking about SCTA.
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Larry Cason
Bakersfield,CA    It's a dry heat!

2010 BUB 1350 M-PG record
2012 Speedweek  1350 A-PG record 169.975
2014 El Mirage Dry Lake  1350 A-PG  172.651

Offline ghornbostel

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Re: M/PG cylinder head
« Reply #4 on: March 24, 2011, 10:58:26 PM »
SCTA yes.  This is where I probably get into trouble.  Not who's head but a one off not generally avaliable
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Offline ol38y

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Re: M/PG cylinder head
« Reply #5 on: March 24, 2011, 11:03:09 PM »
Quote from: ghornbostel on March 24, 2011, 10:58:26 PM
SCTA yes.  This is where I probably get into trouble.  Not who's head but a one off not generally avaliable

Cool, If you make it to EM I'd like to see it. But, you can make your own if you want. It's legal.  :cheers:
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Larry Cason
Bakersfield,CA    It's a dry heat!

2010 BUB 1350 M-PG record
2012 Speedweek  1350 A-PG record 169.975
2014 El Mirage Dry Lake  1350 A-PG  172.651

Offline ghornbostel

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Re: M/PG cylinder head
« Reply #6 on: March 24, 2011, 11:12:35 PM »
Thanks for the help.  Right now I'm trying to decipher the rules and weigh the options.

Regards
Greg Hornbostel
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