NHRPA Announcements, News & Downloads

NHRPA National Hot Rod

Rules of Racing

August 2017


The updated and revised rules of racing document including all recent and new rule changes and clarifications is now available to download.


Click the link below.

(revised 29/09/17)

.pdf format.

NHRPA Rules of Racing
Issued July 2017, revised September 29th 2017 to reflect new booking in details for Ireland, and clarification of rule 8.2.2 (in purple).
NHRPA Rules of Racing revised 29-09-17.p[...]
Adobe Acrobat document [1.4 MB]
NHRPA Protest Form
For download if required.
NHRPA Protest Form.pdf
Adobe Acrobat document [543.0 KB]

Result Verification - Tipperary

The NHRPA has reviewed a video of heat 1 at Tipperary on 15th July, and compared it to the steward’s report.  A mistake was found on this report and the correct result should have been 970 261 955 925 61 803. Dnf 777, 982.  This has been verified and a new points chart compiled to reflect this.   Results and points after this meeting are now updated.


21/06/17:  National Hot Rod racing's governing body is pleased to announce that after a short break, Brian Oliver and Chris Earl are returning to full duties with the NHRPA with our wholehearted support and backing. We will be having an NHRPA meeting on the Friday of Spedeweekend, and from then, going forward, it's business as usual.

Technical Bulletin updated 18th April 2017


Driver-side, side view aperture.

One round hole may be made in the B pillar on the driver’s side of the car to aid the driver’s vision.  The hole must be no larger than 75mm and must be covered with clear Perspex.  This must be fixed by rivets/nuts and bolts, or bonded in place.


This rule change is with immediate effect.


Fuel Non-Return Valves

These were included as an ORCi requirement in Oval Race formulae some time ago.

A fully operational/working non-return valve MUST be fitted.

From the 1st May 2017 drivers are now warned that contravention of this rule will result in an automatic mandatory ban under the technical rules/penalties of 6 months.  This applies to any driver not having a fully working non-return valve fitted and/or it being tampered with in any way.

Issued ORCi 6th April 2017


Confirmation of Current 2017 Rule Amendments

These are in addition to, or replacing existing 2016 Technical Rules


*  The visible reverse of all fin plates must be white.


*  In-board suspension rocker ratios: Ratios must be the same from side to side and be symmetrical. Only one rocker per corner.


*  Alloy diff casings are banned.


*  To aid track officials, recovery staff and prevent vehicle damage for 2017 all cars must have 2 x front and 2 x rear lifting straps. This is mandatory from resumption of racing in each region.


Front straps are to be mounted to the frame in either side of the front bumper aperture, must be folded back up to the chassis and cable tied so they do not trail on the track during racing.


Rear straps are to be mounted to the frame, must be folded back up to the chassis and cable tied so they do not trail on the track during racing but are long enough so they come ‘out and up’ from the rear bumper. The rear wing / spoiler must be quick release or pivot forward to prevent damage.


*  No undertray or under car wind diffusers are permitted. A flat sump guard of ally (2mm thick) or fibreglass (3mm thick) no wider than the under chassis rails may be fitted and start no more than 150mm ahead of the most forward part of the engine, to extend no further than 1" past the rear of the block.


*  Gearbox and prop tunnel must not be covered in from the underside of the car.   If your car has a gearbox/prop tunnel already welded in from the underside, you may drill a minimum of 12 holes front to back at a minimum size of 40mm.


*  Wet tyres may ONLY be used when the NHRPA Steward declares the meeting is wet.

Wet tyres must have been declared and logged as per NHRPA rules.


*  Amendment to NHRPA Technical Rules (Wheels and Tyres)

Wheel studs must visibly protrude through all wheel nuts at all times.


2016/17 NHRPA Technical Specifications Download

Temporarily removed while updates are processed

For clarifications contact the NHRPA at Spedeworth International 01252 322920


2017 NHRPA National Hot Rod

Drivers Racing Contract and Licence


Download the form, print and complete it and return with payment as advised.

Click below for download.

2017 NHRPA Licence Form.pdf
Adobe Acrobat document [507.1 KB]

New role for John Sibbald


With no point of contact, co-ordination or representation in Scotland for National Hot Rod racing, Deane Wood (Spedeworth M.D.) has announced that former racer John Sibbald has agreed to take on this role.  In a similar way to Darren Black in Northern Ireland, John will pull the formula together in Scotland and be the main point of contact for driving the class forward and building for the future.


John said  "I love Hot Rod racing as everyone knows, and would love to be back out racing but that's not possible at the moment. Hot Rods have been around in Scotland for decades, unfortunately the last few season numbers have dropped and we are in threat of being cut from the NHRPA promotion. My plan is to try and get all the existing licenced drivers and car owners in Scotland together to see what they want from the formula, how can we make it better and where things have gone wrong. I will also try attract new drivers or ex-drivers back to the formula by speaking with them. I am not a promoter, track owner, car builder or rule maker, I have one motive, and that is to get more cars on the track and future-proof the formula in Scotland."


nationalhotrod.com would like to congratulate John and wish him the best of luck in this new position.  Contact details to follow.

Tyre Contamination  

Spedeworth/Incarace would like to make everyone aware that we are awaiting all of the proper legal equipment to come from America so that we can start checking tyres for any types of fluids which may be being put into tyre compounds that are not found to be standard to the manufacturers specifications.


Random checks will take place throughout the season, and not only at championship events. This will include all Spedeworth/Incarace tracks and Spedeworth-associated tracks.


Anyone found to have contaminated tyres will receive an automatic 12 months ORCi ban.

NHRPA Announcement – National Hot Rod in-car cameras

The NHRPA would like to confirm the use of in-car cameras for National Hot Rods will continue for a trial period – there being no end date to the trial until otherwise advised.  Any driver who wishes to submit footage for review by the NHRPA must do so by 6pm on the Tuesday following any National Hot Rod race meeting (whether the meeting is held on a Friday, Saturday, Sunday or Monday) clearly stating the reason for providing the footage.  The NHRPA will then confirm whether subsequent action, if any, is to be taken and will confirm the situation to any drivers impacted. Action will not be taken in every instance and the decision of the NHRPA will be final.  Kind regards,  NHRPA

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