ChampCar Endurance Series

ChampCar Tech Desk

Official channel for ChampCar technical questions, interpretations, and VPI requests.

Before you submit a ticket

The Tech Desk is for rules clarifications and technical questions. It is not a post race tech line, a place to protest results, or a place to fish for how other teams built their cars.

Most questions can be answered by reviewing the current BCCR Rulebook. Please read the applicable section before submitting a ticket.

If your question is already covered clearly in the BCCR, your ticket may simply be answered with a reference to the rulebook section.

VPI request checklist

For all Vehicle Performance Index (VPI) requests you must include:

  • Year, make, model, and trim level
  • Engine size and engine horsepower
  • Drive type: FWD, RWD, AWD, or 4x4
  • Transmission type: automatic or manual
  • Car weight and all factory options that affect performance
  • A link to the vehicle on automobile-catalog.com or another site with full specifications if it is not listed there

Requests that do not include all required info and research will be denied without review.

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2023-02-25 - Aluminum radiator with transmission cooler
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2023-02-25 - Aluminum radiator with transmission cooler

Q:
Our car has a transmission cooler built in to the stock radiator that we use to cool engine oil (example rad pictured - the two fittings at the bottom). We are considering going to an aluminum radiator since our rad died
1. Can we buy one with a similar built in trans/oil cooler and still meet the free aluminum rad rule?
2. Can we use the aluminum one but run a separate trans/oil cooler (much cheaper option) but understandable if not allowed?

A:
#1. Yes, you can buy an aluminum radiator with built in transmission cooler and meet the free aluminum radiator rule (if your car came with the transmission cooler on the OE radiator)
#2. No,  you cannot run a separate trans/oil cooler unless you claim appropriate points.

Verified by TECH 2024

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Article Details

Article ID:
222
Category:
Engine & Cooling
Date added:
2023-02-25 22:04:47
Views:
543
Rating (Votes):
(1)

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