ChampCar Tech Desk

The tech desk is used to ask technical questions and is not to be used as a post race tech line or to phish for how others built their cars.
Please reference the BCCR as most questions submitted to the TechDesk can be answered by reading the BCCR.
You can download the BCCR here:

2020-01-30 - Non-OE Cylinder Heads

Car: 1986 Ford Mustang LX with 5.0 V8

Per 2020 BCCR: "Cylinder head(s), non-OE and/or non-matching to your specific engine claimed. 100 pts per engine."

* Does this rule mean installing GT40P heads from a 1997 Mercury Mountaineer incurs the 100 point penalty?
* Does this rule also permit aftermarket aluminum heads in place of cast iron for 100 points?

The 1986 5.0L Mustang was never offered with GT40 heads. The GT40 head made its debut in the 1993 Cobra and was offered on the following vehicles:

1993-1995 Mustang Cobra - Part #F3ZE or #F4ZE
1996-Mid 1997 Ford Explorer & Mountaineer SUV - Part #F1ZE-AA
1993-1995 Ford F-150 Lightning - Part #F3ZE or #F4ZE

A GT40 head on any LX or GT Fox body Mustang would incur 100 points for non-stock cylinder heads.

However, you can use any aftermarket cylinder head for the same 100 points. Trick Flow, Fox Lake, Edelbrock, etc.


© 2009-2023 ChumpCar International Inc., All rights reserved.
ChampCar Endurance Series ® is a Registered Trademark of ChumpCar International Inc.. ChampCar, CCES, and ChampCar.Live,
are trademarks and /or service marks of ChumpCar International Inc..
The ChampCar Endurance Series Logo and the ChumpCar Logo is a service mark of ChumpCar International Inc. and is fully protected.