'1967 Holiday Race' ~ Plymouth GTX 440 vs. Pontiac GTO 400 'Ram Air'

Saint Nick

Hamilton Plymouth out of Michigan did go with a 'Performance Test' on the
GTX in 1967.

Equipped Car
* Automatic
* 3.55 Gears
* Tires .... Goodyear 7.75 x 14"

Stock Performance Tests @ Motor City Dragway

Test results ranged from {14.71 to 14.93} in 'Stock Trim'.

Best Run ......... 14.71 @ 96.8 MPH

Reported problems with Traction {obviously}, and inconsistent shifting
with the 727 Torque-Flite {Governor hang up}.

Back to the Dealership for adjustments >

#1 ........ Replace Torque-Flite Governor unit with a high-speed assembly.

#2 ........ Performance Tune-Up

#3 ........ Intake Manifold Heat-Riser Block-Off Gasket

#4 ........ Heat-Riser between Carburetor and Intake Base

> Back To The Track

Test Results ranged from 14.29 to 14.47

Best Run ...... 14.29 @ 99.10 MPH

Another test of Coronet 440 - [ame="http://media.wix.com/ugd/008a74_524f6af6fb0d41c2a1d337f041f3b1c0.pdf"]click here[/ame]