How many ci is a 6.0

Even wired up the cruise control from my 98 to the 01 TAC module to work. I am running the LQ4 6. Can I achieve this gain with a cam and heads or should I consider a bore and piston replacement as well. I would like to spend as little as possible but I am willing to do all if needed. Jason, you can hit your target easily with just a cam. The Summit Pro LS truck line has quite a few variants in stages 1 through 4. The drop in version of that is SUM They can run with a factory tune, but a tune is heavily recommended.

There is a lot of power there along with trans shift points and turning off torque limiting etc. We recommend doing this with your local chassis dyno tuner.

The information you get is invaluable an will make it run just like the factory. The heads you have are pretty good. There are tow cams, truck cams, truck performance cams, then finally they get into the automotive lineup.

Weight, gear, converter are critical. The following article and video will be of great help in terms of picking a cam and talking with the experts at Summit Racing about which one is best for your application. I have a LQ4 in my Silverado. Curious if the stock LS3 cam would be a good cheap upgrade for pulling, and overall performance. Pingback: LR4 4.

Does anyone know a good throttle body than can go on a tbss intake manifold trying to swap out the regular manifold and throttle body I have on my lq4 now.

I have a 99 silverado 2wd with 6. Wanting to rebuild another 6. I understand that even with the higher static compression that the cylinder pressure can be managed by cam timing and bleeding off some of the pressure. Bottom line, does anyone have any recommendations for the kind of cam to use? I will be doing some porting work in the heads to increase flow.

Jeff, did you ever figure out anything? Your email address will not be published. Your Website. Save my name, email, and website in this browser for the next time I comment. This site uses Akismet to reduce spam. Learn how your comment data is processed. Summit Racing Equipment.

This guide is specifically for the GM LQ4 engine. Bore Dia. Stroke 3. Deck Height 9. Bore Spacing 4. Cam Housing Bore Dia. Press Fit Wrist Pin Dia.

Crankshaft Rod Journal 2. Primary changes to the Gen IV were block modifications to enable displacement on demand as well as designs to enable variable valve timing. The Gen III version of the 6.

The LQ4 was designed to provide great durability. The LQ9 is a very similar engine based on the LQ4, but it was developed specifically for the Cadillac Escalade, although this version was also added to certain GMC and Chevrolet full-size pickup models as well.

One of the distinguishing features was the increased compression ratio for the LQ9, enabled by a different piston design. The first Gen IV version of the 6. The L76 essentially replaced the LQ9, and it offered the displacement on demand technology, as well as the variable cam phasing.

This engine was eventually phased out in This happens when gasoline burns unevenly in a cylinder. It is a problem that is commonly encountered on some Vortec engines when they are cold. The symptoms include a knocking sound and an illuminating check engine light.

The knock sensor on a Vortec 6. Vortec 6. Symptoms include increased exhaust noises when you start up and excessive engine vibrations. This is because the water pumps are subjected to high pressure and a lot of heat. This can cause the pump to wear down over time. To fix the problem, you will need to replace the worn parts or the whole water pump unit itself.

It has been reported that Vortec 6. If the weather is not cold but your engine is difficult to start, it might be because of a stuck choke plate. It stood out and proved to be reliable after all of these years.

If you want to own one, there are used Vortec 6.