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road rallying a sprint
Posted: Sun Mar 04, 2007 2:12 pm
by Tom Moore
Does anybody know what modifications were permitted under the old group 1 and 11 regulations for rallying as I am in the process of building an historic road rally sprint. Only period modifications are permitted.
Posted: Sun Mar 04, 2007 3:39 pm
by Hans ten Broeke
I would suggest to order from the RAC the official homologation forms.
You need them anyway when entering an official event during scruteneering.
It is also very important to take a decision what year your car will be, annex J shows also a few differences between the years,.
If I'm right 1975 and 1976 shows a few.
Hans
Posted: Sun Mar 04, 2007 3:52 pm
by DavePoth
You can read the whole thing on the Sprintparts website. Click on "Tech Tips" and then "Race Preparation"(down at the bottom of the list).
http://sprintparts.triumphowners.com
Posted: Sun Mar 04, 2007 5:33 pm
by tinweevil
Bodger Ben has more
Homologation Forms and
Special Tuning parts lists on his web site.
Tinweevil
Road rallying
Posted: Tue Mar 06, 2007 9:09 am
by Dolly racer 33
It depends on what your cut off date is & whether the regs insist on 'Homologated' parts only or allow parts used in period. Period club rally cars very often ran non homologated parts.
If you must use homologated parts, if you can go for a post 1977 spec as you will be allowed all of the upgrades including twin 48 Webers. Prior to this, post 1974 you may use 2"SU's, prior to this you are stuck with the standard carbs.
If you need any further help, pm me.
Ken.