Bone Stock Class official rules

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FOR $1000 WINNER TAKE ALL IF PARTICIPATION IS MET

“Bone stock” TR class qualifying ET 13.9

The bone stock tr class is intended to provide a race class for cars that are stock appearing. Unlike the TSS class where some visible mods are allowed for performance reasons virtually all of those will not be allowed in this class. This means if we can SEE it and its not how the car was delivered its not allowed. Or put another way if you have to ask if its ok------ its not!


Suspension :
NO frame mods or reinforcements, stock wheel base, stock unmodified control arms front and rear in original locations, since all the cars didn’t come with the same bushing compliment you can have them in all locations as long as they are GM bushings. No braces that didn’t come on the car. 8.5 inch 10 bolt GM rear with stock stamped cover. Stock size sway bars front and rear required with black bushings. Stock appearing brakes, drums back, disc front. Any type stock appearing shocks in stock location----any color ok. No air bags Car must sit at =/- one inch of stock ride height (this would be ________ from road surface to frame rail)

Engine compartment
109 block with no EXTERNAL mods, all original equipment intact and functioning—no deletions or additions that aren’t supported by build tag on inside trunk lid, Stock air box and snorkel any filter element, original size battery in stock location with original type side terminals, original waterpump manifold etc original appearing starter and 120A alternator, original GM headers with heat shields intact---may be welded for repair purposes, original downpipe with original type wastegate and solenoid----wastegate may be modified to make it adjustable, stock appearing turbo with stock inlet bell with vent intact---turbo must fit under unmodified shield mounted in stock location with stock bracket, stock appearing MAF (AC moulded with down turned plug) and OEM flex hose, stock intercooler with stock inlets/outlets, any size injectors in 6 stock locations, NO POWER ADDERS UNLESS THEY ARE TOTALLY INVISIBLE TO TEC JUDGES---IF WE SPOT IT---- ITS OUT!!! 8445 heads installed with GM TTY bolts with NO external mods (this includes logos), stock unmodified valve covers with oem filler cap, stock radiator and core, additional underhood wiring with no additions/deletions that aren’t supported by option tag-----only exceptions 1-alarm, 2- single relay and wiring for fuel pump upgrade, AC may be converted to R-134 and must be operational, powermaster with stock reservoir

Tranny
2004R with no external mods except for 2nd servo, stock pan and driveshaft---loop ok, any convertor or transbrake as long as it is not visible under or inside the car,

Tires/wheels
Any matched set of 15” or 16” steel or aluminum wheels allowed-------tires must be 275 or less DOT radials-----NO SLICKS

Interior
Full stock interior matching build sheet, stock shifter, only addition to gauges is boost and it must be pillar or console mounted, radio may be upgraded but must fit in stock location with no visible parts elsewhere

Exterior
No fiberglass body parts except for bumper fillers, stock operating glass windows and windshield, full size OEM aluminum or steel bumper supports, use of aluminum supports do not have to match build sheet _______in trunk, bumper shocks must be original/unmodified, no mods to sheet metal, fenders etc

Fuel system
Factory stock appearing tank, no visible additions to tank or pumps except for relay and wire upgrade, stock rail and lines

Exhaust
Downpipe must attach to stock elbow in stock fashion, downpipe must route in stock location, no flexpipe, stock appearing cat must be in stock location—may be HOllowed but must be able to pass a 50 state VISUAL inspection, any single or dual exhaust allowed but must function (muffle) and exit in stock location, must be 2.5 inch or less pipes past “Y” connection at cat