2010 RACE SAVER Sprint Rules
RACESAVER®
SPRINT
SERIES
Engine Rules:
1: Blocks,
GM 305 V-8s w/ approved casting #’s 361979 460776 460777 460778
2: #’s continued: 14010201 14010202 14010203 14088551 14016381 355909
3: Max C.I. 315.9 No Tolerance. Stroke 3.480 + - .020. Max. bore
3.801 Do the math!
4: Flat top pistons with valve relief's.
Cannot protrude from cylinder bore.
5: Crank, iron or steel, min. weight 48 lbs. 1% tolerance, min. main brg.
dia. 2.450 -.030. NO weight added to crank w/
exception of balance metal which must be welded in place.
6: 5.7” steel rods, min. rod journal dia.
2.100 -.030. Pan may be removed for inspection.
7: Cam drive: Chain only. No gear or belt drives. No device to vary
running cam timing.
8: Plain hub or SFI approved damper. Stock location water pump.
9: Stock (.842) dia. flat tappets. NO roller,
hydraulic, mushroom or radius tappets.
10: Cam: original material, configuration & firing order (18436572)
No billet or hardened cams.
11: Spring specs: Straight wound springs w/ flat damper. Max
dia.1.265”, min. dia. 1.200, Installed ht. min.
1.650, max. 1.825. Absolute max. pressure: @ seat
120#, @ .500 lift 355#, max. wire dia..195, Free
ht. Max. 2.100, min. 1.900. Spring must
have min. of 5 full coils.
12: Wet sump, internal pump only, no crankcase vacuum systems.
13: Roller rockers allowed. 3/8” stud mount rockers only. NO shaft
systems.
14: Absolute max. valve lift: (.510” int.,
.535” exh.) measured @ zero lash @ valve retainer.
15: No girdles, rev kits, or valve train stabilizers. Tappet access for
inspection required.
16: No repositioning, boring or bushing of cam or lifter bores. Max cam
dia.1.869 + .002
17: Valves: Int. 1.94”, exh. 1.60”, Stem
11/32”, orig. length & weight, No altered or hollow stems.
18: Ferrous material only: Valves, Retainers, Keepers, Push rods,
Springs, Tappets, Cam & cam drives, Crank, Rods, Wrist pins, Fasteners, Main
Caps, No titanium or ceramics in engine.
19: Point type Magnetos, or Kettering style ignition. Constant
flow fuel injection only.
20: 100 lb. wt. penalty for use of any electronic components, incl:
ignition, ECU’s or driver aids.
21: RACESAVER®
305 SPEC head:
Absolutely NO changes. NO machining, milling, resurfacing, grinding, polishing,
welding, acid or caustic work, shot peening, glass
beading, coating, or any other process that will alter the machined surfaces or
the natural sand cast finish. Must retain all original dimensions &
configurations including; Valves, springs, retainers, stems, & guides. The
ONLY work allowed is: Reseating the valves. NO top cuts that extend into the
aluminum of the chamber. NO, under the seat relief cuts.
NO work that enlarges the as delivered throat size, 1.810 Int. & 1.345 Ex.
(+ or - .010). NO bowl changes. NO CHANGES! Every dimension of these heads has a
gauge dimension that must be met for them to be certified. Change any one of
them and you will be disqualified. The stamped identification marks may not be
altered.
22: Compression Ratio: 10.25 to 1 absolute maximum. C.R. checked w/
Whistle, or by pouring the assembled cylinder. Absolute minimum assembled
cylinder volume: 70 cc. Heads may NOT be milled !!!
Only exception is pre- approved milling to repair surface. All repairs MUST be
pre- approved. Contact RACESAVER®
@ 540-923-4541 before
attempting repairs. A repair authorization number will be issued. After repair,
heads must be recertified and marked accordingly. Original serial numbers and
certification marks must be intact. They may not be altered or obscured. Any
& all repairs MUST be pre-approved and heads recertified. If any
spec head is found to be modified; it must be REPLACED with a certified spec
head.
23: The spirit and intent of the RACESAVER® 305 SPEC Engine Rules will prevail.
Any attempt to circumvent the rules may result in confiscation of suspect parts,
and other significant penalties. We reserve the right to exchange any Spec Head
at any time. If heads are illegal, NO exchange will be made. Illegal heads will
be removed from legal head registry.
For Information on Sanctioning requirements, rules clarification, or to order:
Call: RACESAVER®
Sprint Series @ 540-923-4541 540-923-4543
Web sites: www.racesaver.com or www.frenchgrimes.com
Car Rules:
These car rules apply to all interregional and national events. Variances on
weight, wing & tire rules, may be acceptable
within single region events.
1:
Frame and body must have a sprint car appearance. Wheel base 80” minimum,
95” max.
2: Min. weight w/ driver, after race 1575 lbs. Starting
weight must allow for fuel burn off. Ballast weight must be located between the
front motor plate to 12" behind rear motor
plate.
3: Rear bumpers & rub rails, steel only, .095
max. wall (Can NOT contain ballast or lead.)
4: RR Bead lock required. No Bleeders. Minimum RR
tire durometer 35.
5: Wing maximums: 25 sq. ft., 61” wide, 2.5” belly, side boards 30”
by 72”, Wing angle,
wicker bill, and front wings are regional
options.
6: No cockpit adjustable weight jacks, shocks, or wings.
7: No titanium, carbon, ceramic brakes. No Ti or carbon rotating parts
larger than 1.5" in dia.
8: No open drive lines. Safety hoop or strap
required. Center section must be centered in frame.
9: Fuel bladder & tank shut off
required. On board fire extinguisher strongly recommended.
10: Pure Methanol only. No additives allowed. Fuel
lube subject to test & review.
11: Safety minimum requirements: Approved 5 point harness, fire suit,
gloves, roll bar padding, shoes, arm restraints, and SFI approved helmet. Hans
® device recommended.
12: Tech official decides legality of entry. Penalties determined by
competition committee.
Optional procedures: May be
implemented at each regions digression.
Mid Atlantic Region events: Participation is by invitation. We reserve the right
to limit the number of active members and / or entries at any event. Events
require pre-entry. All cars must have valid RACESAVER®
seals, and meet all rules. The opportunity to compete in our events is based on
previous participation and support.
Penalty Procedures Stages:
Stage 1: If the first incident is minor, a meeting will be held between the
competition committee and the drivers involved. This meeting will include only
the drivers and competition committee.
Stage 2: Should a second incident occur; or if the first incident is significant, the driver (s) involved will be advised of the penalties. The driver (s) deemed responsible may be required to start at the rear of the field for 2 weeks. The driver (s) will also be on probation for these 2 weeks.
Stage 3: Should a third
incident occur; a letter will be sent to the driver (s) involved advising them
of the length of suspension.
Any member of a team who goes to another competitors
pit, or race directors, or the track officials and engages in a verbal or
physical confrontation; may subject that team immediate suspension.
Mufflers Mandatory: Track Approved MUFFLERS WITH TURN DOWNS - MUST BE ON CAR PRIOR TO ENTERING TRACK SURFACE. CARS THAT LOSE A MUFFLER WILL NOT FINISH THE RACE AND FORFIET ALL WINNINGS FOR THE NIGHT..
Note: There will be no grace periods given on mufflers. MUFFLERS ARE MANDATORY. Track mufflers may be purchased at Smiley's in the Woodlands, Speedway Motors, Gary Watson Racing in Beaumont, or call Randy Waller.