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Rule Updates

 2014  IHRA Rulebook Revisions and Clarifications


p. 59 Summit Sportsman Safety and General Rules: Add the following: Tail Light: A minimum of one functional tail light mandatory on all entries.


p. 33 Super Stock: Modified Stock: Hood: Delete the limitation of 5 inch high opening from the section. The maximum overall height is limited to 11 inches.


p. 87 Ignition: Add the number 7761 to the first sentence of the section. It should read as follows: "The use of any ignition system (eg MSD 7531) or related accessory (eg 7561 or power grid accessory 7761) that uses a multipoint or rate of acceleration rev limiter are prohibited from use in IHRA unless specified by individual class requirements.


p. 14 Top Sportsman: Transmission: Change the sentence in the middle of the section to read as follows: "All entries with pressurized transmissions must have interior sheet metal tunnel isolating drivers compartment from unit or the driver must use a 3.2A-15 driver suit if tunnel is not present."

p. 81 Delay Device: Delete the last sentence in the first paragraph and replace the first sentence of the second paragraph with the following: "All wiring associated with the delay device, throttle stop, ignition system, automatic shifter and electronic fuel injection must be fully visable, labeled and traceable. Delay devices and components must be utilized in an unaltered manner consistent with the manufacturer's installation and instruction books."

p. 56 Hot Rod: Replace the first sentence with the following: "An SFI 30.1 flexplate shield is mandatory on all entries running faster than 135 mph."


p. 19 Super Stock: Class designations: Add the following class: SS/BBS and SS/BBA.

Update the class break section to the following:

Class AA...5.00 to 5.49     INDEX - SS/AAS and SS/AAA 9.15 (1/4) & 5.95 (1/8)
Class BB...5.50 to 5.99     INDEX - SS/BBS and SS/BBA 9.80 (1/4) & 6.35 (1/8)


p. 24 Super Stock / GT: Change the third to last sentence of the designations section to the following: "Cars must have originally been equipped with a V-6 or V-8 or be IHRA accepted based upon original shipping weight."


p. 48 Pure Stock: Camshaft: replace 12/10/13 revision with the following: Camshaft must retain OEM lift, duration and overlap for horsepower claimed as verified by manufacturer supplied specifications. Aftermarket camshafts meeting specifications permitted. If complete engine package has not been supplied by manufacturer, the combination may not be classified for competition in Pure Stock.


p. 48 Pure Stock: Camshaft: Camshaft must retain stock lift for horsepower claimed per IHRA Technical Bulletins. OEM duration and overlap is optional

p. 52 Quick Rod: Engine Containment System: Engine must be equipped with an IHRA accepted engine containment system. All systems must cover the oil pump and related accessories.


p. 62 ET 11.50 to 13.49: Helmet: Change SN 90 to "SN 95" in the section.


p. 69 Jr. Dragster: Add to the class designations section as the last paragraph: "It is the responsibility of the team/parent to not dial-in or run under the ET breaks for the age groups listed above at all IHRA sanctioned events. This includes ET at Nitro Jam, Pro-Am, Team Finals and Jr Team Finals events. One warning will be issued to any competitor that dials-in quicker than his or her age group restriction. If the competitor does this a second time they will be disqualified."

The lowest dial-in for the respective age groups is the class index or 7.90 for Master, 8.90 for Advanced and 11.90 for Beginner.


p. Crate Motor Stock: Manifold: Change the wording of the first sentence to: "Any OEM or aftermarket cast aluminum or iron manifold that will fit under stock unaltered hood with no modifications allowed."


p. 13 Top Sportsman and p. 15 Top Dragster: Delete the following from the first paragraph. “Competitors may dial quicker between rounds, but may dial no slower than .10 beyond the slowest qualified car.” Competitors may dial any number they wish provided it is quicker than the posted maximum limitation for each class.

p. 70 Jr Dragster: Engine: Add the following to the accepted engine list. “ Briggs and Stratton 206 factory sealed crate engine. The crate engine must maintain un-tampered hologram seal installed at the factory. No alterations or modifications to Briggs & Stratton 206 crate engine permitted except for installation of exhaust header and air filter."


p. 69 Jr. Dragster Master: Change the following word to the end of the sentence in the middle of the paragraph: One warning will be issued if a competitor runs an elapsed time of 7.70 "or quicker or 85 mph or faster." 



Competitors in all divisions must have a minimum of 4 claims from events within the respective divisional schedule. Wild card events may not be used as the only source of in division claims. Wild card events are designed to help competitors living in certain regions, where Summit Pro-Am events are less concentrated, compete for a division championship while keeping costs of travel at a minimum. They are not intended to replace actual competition at the events within a division. At least 2 of the 4 mandated points claiming events in any division must be from events physically located within the division.

Due to its geographic location and the costs associated with traveling to any out of division events, the Border Bandits divisional schedule will continue to be limited to 4 in-division claiming events to determine the end of the season points. As was the case since inception of Division 6, there will be no out of division claims factored into any scores.

January 8, 2013


 p. 5 Summit Tournament of Champions: Under participant guideline delete the following from number 2: “(less any division champions – see below).”  

 p. 20 Super Stock: Engine:  Change overbore from .075 to .080 in the section.

 p. 26 Super Stock Production: Engine: Change overbore from .075 to .080 in the section.

 p. 42 Stock: Engine: Change overbore from .075 to .080 in the section. 

 p. 44 Stock: Upholstery: Add the following references for front seats to the section.  Delete all other reference to front seats in the section. 

 Full-size aftermarket or corporate OEM front seats permitted; must be upholstered and properly supported.”


This group is limited to any unaltered 2008 or newer foreign or domestic, production type automobile or truck that is street driven with proof of registration, vehicle insurance with valid license plates.  These vehicles are limited to street events, test & tune and select import events.  Competition in the facilities normal weekly ET bracket series under these parameters is prohibited.  

 These vehicles may run provided all of the criteria listed within this section is verified prior to participation.  Unaltered 2008 OEM model year and newer production cars running slower than 10.00 and 135 mph do not have to meet the requirements and specifications for the Summit Sportsman ET safety rules except for the following: Convertibles and T-top entries must meet the minimum specifications listed in ET Bracket section for roll bar and roll cage requirement.  Vehicles must pass all state highway safety requirements in which the vehicle is registered prior to acceptance.

 The vehicles OEM installed anti lock brakes, airbag function and seat belts as well as any other related system must be functional as per the manufacturers specifications at all times.

 All drivers must utilize helmet and protective clothing requirements as per the minimum specifications outlined in the 2013 IHRA rulebook under the ET bracket section starting on page 61. 


p. 115 POINTS - General Rules: Rescheduled Events: Add the following sentence after the second to last sentence of the section: If you do not return to the re-scheduled event and you wish to transfer the entry to next season's event, you will need to contact the IHRA competition department within 10 days after the conclusion of the re-scheduled event and request the transfer. After the request is finalized, the event claim and respective entry points will be removed and you will be issued a voucher for the event next year.
Competition Contact Information: Donna Harper - Phone (419) 663-6666, extension 250


p. 71 Sportsman Motorcycle:  Delete number 10 from the section.

p. 89 Engine:  Replace the second to last sentence of the section with the following:  Crankshaft centerline must not exceed 24 inches from the ground in any class, except trucks. The maximum height is 36 inches for trucks running 12.00 and slower; 31 inches for trucks running 10.00 to 11.99 and 24 inches for trucks running 9.99 and quicker.


p. 70 and 71 Wheelbase:  Change the first sentence to read as follows: Minimum 85 inches unless OEM was less and vehicle is equipped with OEM engine.”  Add the entire section on pages 67 and 69 in the Summit Safety and general rules and under the 0 to 9.99 sections.


p. 49 Stock: Cylinder Heads: Change the sentence in the middle of the section to read. “Cylinder head studs prohibited.”

p. 87 Chassis Certifications: Add the following sentence at the end of the section. : Sportsman or 7.50 and slower certifications (blue tag) expire 3 years from the date of certification.  Pro or 7.49 and quicker certifications (Maroon tag) expire 2 years from the date of certification.

p. 97 Master Cutoff:  Add the following sentence at the end of the section: “Plastic or keyed switches are prohibited.”


The paragraph listed below is a clarification for the Division 4 Renegades  Summit team finals competition guidelines listed on the Summit Super Series team finals section of ihra.com.

Division 4 Renegades - Summit Team Finals Competition Guidelines

Modified ET – The use of delay boxes, throttle stops and trans brakes are prohibited. Buttons on steering wheels are prohibited. Nothing is allowed in the car that will assist the driver in leaving the starting line. Two steps are allowed on clutch assisted entries only.  Pneumatic or electric shifters permitted.

p. 20Top Sportsman: Weight Minimums: Change the minimum on naturally aspirated Big-Block entries to 2,200 lbs. minimum.

p. 89 Drive Line: Change 3rd to last sentence of the section to read as follows, "Aluminum driveshafts are permitted in all stock classes."


p. 97 Nitrous Oxide Injection System: Delete the 3rd sentence of the section.


p. 94 Helmet: Delete the second to last paragraph in the section.


p. 19  Prostalgia Nitro Funny Car: IgnitionChange the second sentence to read as follows: Timing advance or retard functions must be a direct function of the driver by mechanical or pneumatic means.


p. 47 Stock: Cylinder Heads:  Change the valve diameter tolerance from  -.005 to -.015 from IHRA specs in the 9th sentence of the section.

p. 35, 41 and  45 Transmission:  Delete all references to the flowing:  clutchless transmissions prohibited.  Clutchless manual transmissions are permitted


p.  8 Tournament of Champions:  Delete the paragraph marked number 10.



p. 84 Restraint System:  Change the first sentence to read as follows: A five point, 1 3/4 wide minimum driver restraint system is mandatory.


Harland Sharp Elite 8 TS and TD Participant guidelines: Any TS or TD competitor that wishes to participate in the Elite 8 program must run first round of the regular TS and TD eliminator as well as personally notify the timing tower of your interest to be included in the program.

p. 46 Super Stock Modified:  Add a section in the chassis section that reads as follows: Weight: Cars with fully automatic transmission with converter may remove up to 5% or 250 pounds, whichever is less from regular class weight. Minimum weight includes the driver.

Delete the reference to weight in the in the transmission section on page 47.


p. 110 Contingency Awards ;Add as number 11 in the section: All winners and runner-ups are required to have pictures taken at Winner’s Circle.  FAILURE TO DO SO MAY RESULT IN LOSS OF CONTINGENCY MONEY as photographic confirmation of all claims is required.

Add to Paragraph 4:  Altered includes but is not limited to  changes of color, size, shape or decal content.  Sponsor must notify IHRA Contingency Department in writing of such permission to alter decals for claims”. 

p. 29 Top Sportsman: Helmet: Delete the words M 2010 or K 2005 in the first sentence.

p. 31 Top Dragster: Bodies: Change the second to last sentence of the section to the following:  The maximum front overhang is 30 inches on all dragsters and 43 inches on all front engine altereds as measured from the forward spindle.


p. 84 Restraint System:  Change the word 38.1 to 16.1 in the first sentence.


p. 88 Match Race Exhibition Vehicles:  Change the word: Two Seat Dragster to Two and Three Seat Dragster.

p. 32 Top Dragster: Supercharger: Change the 7th sentence from 32.0 % to 35.0 % overdrive.


p. 36 Super Stock - Transmission, Manual: Change the last word  sentence in the section to the following:  Clutchless units permitted.


p. 97 License and p. 119 Race Credentials: Add as the first line of the section:  All competitors with the exception of Jr. Dragster participants must be a minimum of 18 years of age to compete at IHRA Nitro Jam events.   


p. 98 Master Cutoff: Change the 3rd sentence to read as follows: If the switch is mounted to facilitate a push or pull activation, it must be positioned in a way where off is in the push position.


p. 52 Super Stock - Modified Compact: Transmission Shield: Change the line to read. SFI 4.1 mandatory in SS AC.


Stock Fuel Injection Classes:  All entries will be classified using the fresh air or (heaviest) option in the classification guide if both fresh air and non-fresh air options are available on the combination.




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