Im thinking about upgrading my camshaft? What would be the best cam to get and what all is involved with installing a camshaft?

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Asked by Dec 02, 2013 at 11:07 PM about the 1998 Chevrolet Camaro Z28 SS

Question type: General

2 Answers

88,995

There are a lot of things to consider when changing cams, is the trany automatic or standard, if it is a automatic then you are very limited on a cam, you will need to reprogram your ECM for the new cam profile. If you are thinking about attempting the job yourself and you are not mechanically inclined I would recommend that you don't attempt it, the job requires that you remove the intake system, valve covers, water pump and timing covers just to gain access to the cam and related parts.

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First you must decide why you want a new cam, what you expect to get out of it, and are you determined to do it right. You need to make sure the pistons and valves don't clash, (clearance?) will the new configuration require more breathing space? Intake, exhaust, and if EFI, injectors to increase the amount of fuel introduced to the cylinders. The valve train will need to be beefed up. This will generally best be suited with new heads, high flow and less restricted one are best. There are a lot to pick from, but go with the well known one, like Chevy, Dart, Edelbrock, etc. They have invested tons of money to make them work right. Good nonrestrictive headers and larger exhaust with good flow mufflers are a must. Will you EFI system handle the increased need for fuel for power and economy, and SMOG? Will the transmission handle what you are doing? More power adds strain to the drive line. You may have to reprogram a few of your sensors / computers. Other that that, have fun and enjoy. Most well know cam makers offer suggestions of what to do to make your transition a more smooth one. I placed a great cam in my non-smog carburetor-ed Corvette. It had a lot of power, sounded great, but when I had to tear it down due to an internal part failure, I found I only had 0.001 inch clearance between the pistons and valve, so had to de-tune the cam shaft, losing 10 hp. So be aware of what you order

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