The 1990- 1995 ZR-1 Corvette is a modern day
Back in the 80's, the on-board computers were
sophisticated as today's chips. The only way
power output besides turbocharging, was
multi-valve cylinder heads. The ZR-1 32 valve
was derived from one of GM's subsidiery
The power output was always directly related
emissions level requirement and insurability
each appropriate model year.
When released in 1990, the ZR-1 engine,
LT-5, developed 375 net horsepower.
It was powerful enough to propel the Corvette
the 1/4 mile in 13.3 sec @ 108 MPH
As computer technology improved, and with the
improved airflow and cam timing, the power
would grow the 405 net horsepower in the last
years of it's production run.
The increase in power resulted in 13.1 sec 1/4
@ 112 MPH !!
The doors and rear fenders and rear bumper
unique to the ZR-1.
The overall width of the body was increased in
of the ZR-1 to accomodate the very large rear
and tires that were necessary to handle the
power of this exciting Corvette.
17 X 11 rear wheels were used with 315/35ZR17
Goodyear tires and 17 X 9.5 wheels were used
with 275/40ZR17 GC-S Goodyears.
.9 G's of cornering strength were well in
grasp of even
the most timid drivers. 1 G was more the norm.
During it's production run, there were a total
different factory wheels used.
1993 40th Anniversary ZR-1
Besides the unique aluminum wheels, ZR-1
are adorned with different emblems as well.
Black lettering on light backgrouds.
Silver lettering on dark backgrounds.
Chrome 40th ZR-1 Emblem.
Even more elaborate and more powerful ZR-1's
available, but you'll have to wait till next
when the customized ZR-1's hit the web !