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gazman
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Joined: 08 Jul 2007
Posts: 346
Location: gold coast

PostPosted: Mon Feb 11, 2008 5:54 pm Post subject: turbo's Reply with quote Back to top

Not trying to be a pain or anything,I just want to clear up a point.I checked the 2007 MAQ rule book on this site,and it does not cover fitting turbos for MX or any racing classes.Are they legal in the open (700cc 4 stroke) class using 2:1 ratio = a 350cc, 2 cyl engine with turbo?Some documentation or a contact would be very helpful.
regards gazman.
 
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HSR
Blaster class


Joined: 11 Jun 2006
Posts: 122
Location: Melbourne

PostPosted: Tue Feb 12, 2008 4:53 pm Post subject: Reply with quote Back to top

OK first things first the 2007 MA Manual of Motorcycle Sport has no relevence or authority in 2008 it has been superceded in its entirety, this happens with every update or supercession
Chapter 12 of the 2008 MOMS states:
12.4.4 Superchargers and Turbochargers
12.4.4.1 Superchargers and Turbochargers may only be used as follows:
a) In drag racing or record attempt,
b) In Production Class or Improved Touring racing when fitted as factory equipment,
c) The nominal cubic capacity of an engine as calculated under 12.3.1.1, 12.3.1.2, or 12.3.1.3 that is fitted with a superchacharger or turbocharger shall be multiplied by 2 for the purpose of engine classification,
d) For Historic Road Race Period 2 machines when fitted with a supercharger as factory equipment.
Hope this clears it up for you.
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gazman
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Joined: 08 Jul 2007
Posts: 346
Location: gold coast

PostPosted: Tue Feb 12, 2008 5:12 pm Post subject: cool Reply with quote Back to top

thank you HSR,the 2007 edition was all i had to go on.OK, not for racing but maybe for fun!!Will the 2008 MOMS be availble on here soon?And have the Quad rules changed this year?I guess i lost interest in motorsport a few years back when the rule book got past 50 mm thick!!
 
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HSR
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Joined: 11 Jun 2006
Posts: 122
Location: Melbourne

PostPosted: Tue Feb 12, 2008 5:20 pm Post subject: Reply with quote Back to top

The MA:MOMS 2008 is available for download from the MA website, but it is a big file, try to get a copy from MQ they give them away to MA licence holders and officials ect. but every one I know always seems to end up with several give them a try
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gazman
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Joined: 08 Jul 2007
Posts: 346
Location: gold coast

PostPosted: Wed Feb 13, 2008 4:38 pm Post subject: Reply with quote Back to top

Thanks for the tips,HSR.I assummed because it didn't say you can't that it was cool!!All sorted now and i think i can scam a manual from one of the locals,thanks. gazman.
 
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Joined: 09 Sep 2006
Posts: 1518
Location: Middleton SA

PostPosted: Thu Feb 14, 2008 9:17 am Post subject: Reply with quote Back to top

You'd be able to go 350 plus your 5% tolerance.
So it might be easierst to sleeve a LTZ or TRX400 down a few mm to 367.5cc
It would be better to push the engineering down rather than up if you are going to crank up the PSI.
You'd have to get a new piston to decompress it anyway.

Hmm... now you've got me thinking....
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