Can I modify the inner fender/liner in Classic Production?

Started by gtldvm1987, September 12, 2017, 09:17:42 PM

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gtldvm1987

Subject says it all.  I started building my first LSR car and need a little clearance for what I want to do.  I can't find where it forbids it, but I don't want to show up after a 1800 mile trip to fail tech.  Can I modify the inner fender liner of a Corvair?  If not I'll figure another way.

Thanks in advance,

Greg L.

Milwaukee Midget

My reading sees no rule against it.

Some of these cars are slammed so low that without some sort of modification, they'd never safely steer without ripping a tire.

I DO think that you can ignore the radiator opening rule . . . :wink:

All that said, I'd call one of the numbers in the book and clear what you're looking to do.
"Problems are almost always a sign of progress."  Harold Bettes
Well, I guess we're making a LOT of progress . . .  :roll:

Stainless1

Quote from: gtldvm1987 on September 12, 2017, 09:17:42 PM
Subject says it all.  I started building my first LSR car and need a little clearance for what I want to do.  I can't find where it forbids it, but I don't want to show up after a 1800 mile trip to fail tech.  Can I modify the inner fender liner of a Corvair?  If not I'll figure another way.

Thanks in advance,

Greg L.

Greg... don't you know those cars are unsafe at any speed  :-D  :cheers:
Stainless
Red Hat 228.039, 2001, 65ci, Bockscar Lakester #1000 with a little N2O

gtldvm1987

Quote from: Milwaukee Midget on September 12, 2017, 09:43:23 PM
My reading sees no rule against it.

Some of these cars are slammed so low that without some sort of modification, they'd never safely steer without ripping a tire.

I DO think that you can ignore the radiator opening rule . . . :wink:

All that said, I'd call one of the numbers in the book and clear what you're looking to do.


Thanks for the opinion.  I'll try to call and see what they say.  I don't want to change the attachment location, just the shape of the wheel well to better accommodate the wheel offset and the wheel/tire itself.

gtldvm1987

Quote from: Stainless1 on September 13, 2017, 07:11:50 AM
Quote from: gtldvm1987 on September 12, 2017, 09:17:42 PM
Subject says it all.  I started building my first LSR car and need a little clearance for what I want to do.  I can't find where it forbids it, but I don't want to show up after a 1800 mile trip to fail tech.  Can I modify the inner fender liner of a Corvair?  If not I'll figure another way.

Thanks in advance,

Greg L.

Greg... don't you know those cars are unsafe at any speed  :-D  :cheers:

So I've been told!  So I want to go fast enough to be totally reckless (and wreckless)!!!

Dynoroom

Quote from: gtldvm1987 on September 13, 2017, 06:17:11 PM
Quote from: Milwaukee Midget on September 12, 2017, 09:43:23 PM
My reading sees no rule against it.

Some of these cars are slammed so low that without some sort of modification, they'd never safely steer without ripping a tire.

I DO think that you can ignore the radiator opening rule . . . :wink:

All that said, I'd call one of the numbers in the book and clear what you're looking to do.


Thanks for the opinion.  I'll try to call and see what they say.  I don't want to change the attachment location, just the shape of the wheel well to better accommodate the wheel offset and the wheel/tire itself.

It would be better if you emailed the committee chair. That way the response can be put into your log book for future reference. Send photos or drawings showing what it is you would like to do would also be helpful.
Michael LeFevers
Kugel and LeFevers Pontiac Firebird

Without Data You're Just Another Guy With An Opinion!

Racing is just a series of "Problem Solving" events that allow you to spend money & make noise...

jacksoni

Am far from expert ( but have read the book a lot) but have not seen anything suggesting that fender liners are an issue. Cut it out, take it out modify it. Production rules say "the wheel openings may be radiused for tire clearance". Will that do what you need? The concern is the external body shape so flares are probably not legal.
Jack Iliff
G/BGS-250.235 1987
G/GC- 193.550 2021
 G/FAlt- 193.934 2021 (196.033 best)
G/GMS-182.144 2019
G/GCC- 194.580 2025
G/GAlt- 200.989 2025 202.385 exit