If any car was worthy of carrying the original ZR1’s torch, it was that one. The numbers are huge: 638 horsepower and 604 lb-ft, with 90% of peak torque available from 2600 to 6000 rpm. Translation: lots of power on tap, whenever you want it.
It also takes more torque to get oversized wheels turning which saps overall output and drains the gas tank much faster than normal. Swapping to lower gears and increasing the number in your gear ratio may be enough to offset the difference. A notable exception here is diesels, which sometimes put out so much torque that the difference with larger wheels isn’t noticeable.
Tires are arguably the most important part of the Jeep mods you’ll want to consider before going off-road. If they’re too small, they make the vehicle look silly and performance just won’t be there. If they are too large, there will be clearance issues on flat surfaces as well as rubbing while turning.
The alternative is to either rebuild an old engine yourself, have an engine builder do it for you, or buy a custom-made engine directly from an engine builder. Each of these options has a fair share of hurdles, and often it’s cheaper to order a crate engine than it is to go those other ways.
A crate engine or crate motor is a factory-built engine that arrives at your doorstep perfectly timed, balanced, and blueprinted, and ready to provide motive power for any project you have laying around. Included parts are a fully assembled block consisting of crank, rods, and pistons, a fully assembled head consisting of valves, cams, and associated parts, and often a carburetor for fuel delivery.
The powerplant behind them was the legendary 427 “L88”, a 450-horsepower 7-liter engine found in many other GM cars including the Corvette. But this version had high compression, required race fuel, and made an insane-for-the-time 450 horsepower.
Our list of cool old Ford trucks would certainly not be complete without the Ford Lightning. This performance truck was launched as a response to the Chevy 454 SS and it was not only a looker but cranked out some power as well.
Yes, you can buy a GM crate engine directly from the factory, one capable of 1200 horsepower, and put it in anything you want. Providing you have enough spare change in your pocket to buy a used Tesla Model S. Oh, and GM is smart enough to not offer a warranty on this one. Sorry Doug Demuro.