ZR-1 ZR-1 ZR-1 ZR-1 ZR-1 ZR-1 ZR-1
Haibeck Automotive Technology
415 Cubic Inches 590 HP
The stroke is lengthened from 3.66" to 4.125".
The 3.90" cylinder liners are replaced with 4.00" liners from LA Sleeve. Diamond pistons are utilized with Molnar connecting rods.
Stock cam camshafts are utilized. The camshafts are timed to the '93 - '95 specifications, E 110 degrees centerline and I 114 degrees centerline. The engine has an idle like a stock engine.
Headers are installed. Click here for more information on headers. A low backpressure exhaust system is required. The Corsa system works best. The B&B Triflow system with an x-pipe also works well.
An aluminum flywheel is installed. Click here for more information on the light weight flywheel and clutch.
The power increase over the 555 HP engine comes from the increase in displacement.