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04-03-2010, 02:02 AM
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#1 |
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Veteran Member
Join Date: Mar 2002
Location: Miles From Nowhere
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Re: IHRA classification guide
Thanks, Mike
So, is there a weight penalty for a stick shift?
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"We are lucky we don't get as much Government as we pay for." Will Rogers |
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04-03-2010, 06:31 AM
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#2 | |
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Senior Member
Join Date: Aug 2008
Location: Nineveh, Indiana
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Re: IHRA classification guide
Quote:
Straight from the rule book. Pure Stock These classes are for street type cars which have minor modifications to the engine, chassis, transmission, carburetor, etc., unless it is specifically stated that a modification or optional equipment is permitted. No turbo or super charged cars allowed. A through I are the only available classes, with the same class breaks as stock, "Class weight breaks and indexes are for both stick and automatic". Numbers must be at least 4” high on all 4 windows. CLASS WEIGHT BREAKS FOR STICK AND AUTOMATIC: A/PS ....................8.00 to 8.99 B/PS ....................9.00 to 9.99 C/PS ....................10.00 to 10.99 D/PS ...................11.00 to 11.99 E/PS ....................12.00 to 12.99 F/PS.....................13.00 to 13.99 G/PS ....................14.00 to 14.99 H/PS ...................15.00 to 15.99 I/PS......................16.00 to 16.99
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Robert Swartz - Swartz & Lane 66 Chevy II Pro 95 Achieva EF/SA, 78 Mustang II U/SA (work in progress) #354 stock |
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04-03-2010, 06:48 AM
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#3 |
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VIP Member
Join Date: Apr 2007
Location: lagrange,nc
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Re: IHRA classification guide
Battery up front, Water pump and alternator must be driven by crankshaft. Headers permitted ,but must run mufflers that do not go straight threw. cannot uncap headers,Stock type fuel pump must be used.one electric pump allowed when used through stock mechanical pump.you may remove other drive belts such as power steering ,a/c ,ect............. and there is more rules listed on page 63 of the 2010 IHRA rule book.Should be able to go on line and find these rules.
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Danny Waters, Sr / 73 Duster "340" |
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04-03-2010, 08:29 AM
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#4 |
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VIP Member
Join Date: Dec 2001
Location: Pontiac,il.
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Re: IHRA classification guide
no hoosier radials allowed because they say 30" on the side wall desigination!! tires must say 29.5 or smaller.
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04-03-2010, 11:23 AM
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#5 |
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Guest
Posts: n/a
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Re: IHRA classification guide
Great class, IHRA Pure Stock engine rules are pretty much the same as NHRA stock engine rules were in the 80's before things started to become "unstock".
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04-03-2010, 05:08 PM
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#6 |
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VIP Member
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Location: lagrange,nc
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Re: IHRA classification guide
Be careful on your cam and springs too.
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Danny Waters, Sr / 73 Duster "340" |
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04-08-2010, 12:53 AM
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#7 |
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VIP Member
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Re: IHRA classification guide
M/T makes a 29.5x9 that is legal! Truman got M/T to make them
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Greg Fulk 308 308X P/SA "ALL AMERICAN" |
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08-09-2010, 10:54 AM
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#8 |
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Senior Member
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Location: celina, ohio
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Re: IHRA classification guide
Lyn,
You can now run the hoosier as long as it measures no more than the 29.5 I talked with Jonny and Mike about this. Hoosier will not label sidewalls @ 29.5 ,however as long as they measure correctly you may run them. Also all cams require stock duration for pure stock and the other items like Danny said.
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Jim Woods |
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Hybrid Mode
