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| Joined: | 03-14-2005 |
| Location: | Atlanta, Georgia USA |
| Posts: | 406 |
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17.1.4 Improved Touring Category
D. Authorized Modifications
1. Reciprocating Engines
l. Manifold & Cylindr head port matching is permitted. No material may be removed further than one (1) inch from the manifold to cylinder head mounting face(s)....
Of course the IT category has always been a hotbed of 'differences of opinions' and those that aggressively interpret the rules. My motto: It's not illegal until you get caught (just make sure whatever you do is worth it)! LOL