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A ZR-1 in stock form is a formidable vehicle on the road. But newer cars are pushing the envelope even further. The ZR-1 turns into a street terror with a few modifications. We will help you get the most out of your car and keep the factory reliability. Nobody wants a vehicle that needs repeated repairs!
Package 1. Top end work only. We will port the injector housings and plenum
and smooth out the airflow on the air horn to provide a easy bolt on
modification. This work is not visible from the outside of the car and
will provide a 20-25 RWHP upgrade on a 90-92 LT5. This package can be installed
by the owner. If done at the shop inspection will be performed on the under
plenum area and the owner will be advised on any possible issues.
Package 2. Contains top end porting and also headers with Random Tech Cats
with a upgraded tune. This package will provide a 50 RWHP gain over a stock
vehicle. Package is only done in house.
Package 3. Contains packages 1&2 plus adds in ported heads, 63mm throttle
body. Power level will range from 410-420 RWHP. Inspection of the motor will be
performed while the engine is removed. Cams will timed to provide optimum
horsepower and torque numbers. Engine will be refinished in customers
color choice. Package is only done in house.
All packages can be updated with a Fidanza flywheel and upgraded clutch discs.
For those who want more kick in the pants we are offering 385 and 402 engine packages. All engine packages will come refinished in customs color choice.
368 Cubic Inch:
385 Cubic Inch:
17510 NE 97th Ave
Battle Ground, WA 98604
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