All '69 COPO Chevelles (came with these
mandatory options:
* 427 engine assembly (coded
MQ for 4-speed,
MP for automatic)
* F41 suspension
* front disc brake assembly w/ J50 power brakes
* power steering
* special HD posi assembly, 4.10 ratio (coded
KQ)
* HD 4-core radiator, as used on L78 & A/C cars
* HD 400th trans (coded
CX)
or a 4-speed manual
When the 9737 COPO (often referred to the Sports Car Conversion/Yenko option) was added, it consisted of the following (on Chevelles):
* adds 3 different transmission & extension assemblies
* rally wheel assembly (15x7 coded
JJ)
* wheel trim ring assembly
* speedometer driven gear adapter assembly
* speedometer driven gear sleeve and seal assembly
* speedometer driven gear
So, to answer your question, the Yenko suspension and the F41 suspension were one in the same. The F41 option basically added a rear sway bar, a larger front sway bar, and beefier springs and shocks.
------------------
Rob Clary
'70 LS-6 Chevelle
Team Chevelle Gold Member #85
Interested in
COPOs,
Yenkos or
other dealer built muscle cars then go here:
www.yenko.net
[This message has been edited by Chevy454 (edited 10-09-99).]