How much boost does a GTp make?
A stock gtp factory rating is going to give you 7psi of boost(GM).
How much horsepower does a Toyota Grand Prix have?
The 3800 Series III engine, found in the Grand Prix, offered 200 horsepower for the sporty sedan base model. The supercharged 3800 Series III, found in the Grand Prix GT or GTP (depending on model year), unleashed 260 horsepower.
How big is the supercharger on a GTP?
Then locate the snout of your Eaton M90 or M112 supercharger and the belt that goes around the pulley. The stock pulley on a Pontiac Grand Prix GTP is 3.8″. By putting on a smaller pulley you can force the supercharger to spin faster and produce more boost and hp. The stock boost rating of my M90 is 6 lbs (pounds).
How to change the oil on a Grand Prix GTP?
Also remove the engine oil crankcase filler cap. Then locate the snout of your Eaton M90 or M112 supercharger and the belt that goes around the pulley. The stock pulley on a Pontiac Grand Prix GTP is 3.8″. By putting on a smaller pulley you can force the supercharger to spin faster and produce more boost and hp.
What’s the compression ratio on a Grand Prix 3800?
Compression ratios are 9.4:1 (3800) and 8.5:1 (SC), and each engine’s displacement was 231/3,791 (cubic inches/cc). With a professional background in gardening, landscapes, pests and natural ecosystems, Jasey Kelly has been sharing her knowledge through writing since 2009 and has served as an expert writer in these fields.
How big of a pulley do I need for a GTP?
To add more boost to your supercharged GTP all you need to do is change to a smaller pulley. There are several sizes you can use. If your car is mostly stock go with a 3.4″ or 3.5″ pulley. To be able to use a smaller than 3.4″ there are other mods that need to be done.
How do you replace a supercharger pulley on a GTP?
Clean the inside of the new pulley with very fine sandpaper and grease the pulley and supercharger shaft. Now install the pulley tool “bolt assembly” with washers. Also install “your belt clamp”. Now just tighten the bolt to press on the new pulley.
How big of a pulley do you need for a supercharger?
There are several sizes you can use. If your car is mostly stock go with a 3.4″ or 3.5″ pulley. To be able to use a smaller than 3.4″ there are other mods that need to be done.
How to mod the supercharged 3800 for Dummies?
Cut the PVC pipe to the proper length. You want to slide the pipe far enough in the F-duct (the rubber coupler that attaches to the throttle body) to bypass the accordion folds. Have the filter as far into the corner of the engine bay as you can so it gets the coolest air possible.