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Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Engine> What is the BIG difference between flat tappit and roller cams
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Topic Review (Newest First)
01-27-2005 08:06 PM
camaroman7d Well the main difference is cost. A roller setup will cost you about $500 and go up from there ($250 for cam and $250 for lifters) that is for a fairly cheap set-up not top of the line.

A flat tappet cam and lifters can be had for $150 (and that is for good quality, name brand stuff).

If he charged you for a roller and installed a flat tappet he owes you quite a refund (IMO). Before you ever had the engine built you really should have done some homework, while I do not think it is your fault by any means. The problem comes in when people don't know what they are talking about or have any knowledge of the service they are asking for. An honest shop would have asked you all kinds of questions and then made suggestions to you. It is not hard to talk to someone and figure out if they know their stuff or not. Crooks will figure out you don't really know engines and then over charge you for service they never actually did (or in this case products you didn't recieve). If you have it in writing on the reciept then you have him by the short hairs.

How do you know it is not a roller cam? Did you look up the part number? Just trying to help you figure out if you were ripped off or not. Did he maybe tell you he was going to put in "roller rockers" and you misunderstood that he meant cam?
01-27-2005 07:53 PM
If he charged you for a roller setup Id be banging hard on his door.

Exactly what I was just thinking. Also,I am not sure as I have never installed a roller cam that was not a factory specific item.But,do you have to have any special machining done to a block that was not originally a non-roller set-up?Seems I have heard that before,but it may have been bad information.If that is the case,you should also demand money back for that if it was charged.And by the way,I would make sure that as many people as possible learned of this shoddy,dis-honest work. If someone pays me money,and entrusts their car to me,be it normal maintenance or add ons. They always get what they pay for,usually a little more that I just do because of who it is. I do not mean I will go and buy parts,but pay close detail to every job as if it was a car my wife and kids would ride in. People like that give all the honest guys a blackeye.
01-27-2005 07:39 PM
Siggy_Freud If he charged you for a roller setup Id be banging hard on his door.
01-27-2005 06:53 PM
454me A roller cam has rollers on the bottom of the lifters. Its a little wheel thats causes less friction. Also the cam lope will have steeper lifts and drops. The wheel lets you use a more radical design. Usually a roller cam has a lot more lift than a flat tappet cam. For the street I dont see where you need a roller cam. They are good for high rpm stuff but they are a lot more expensive. You can buy about 3 cam/lifter sets for the price of a roller cam/lifter set. I have heard a lot of people rave about the 268h cam from Comp but have no experience with it. I once thought they were the way to go but the cost outweighs the gain. At least thats my opinion.
01-27-2005 06:42 PM
What is the BIG difference between flat tappit and roller cams

I was told I was going to get a roller cam in my new 383 stroker engine come to find out this joker put in a Competition cs 268 h 10 high energy hydraulic flat tappet cam.

1st . Is this a good cam
2nd. I was told this cam is 2 steps up from stock is that true ?
3rd . What did I lose by using a flat tappet instead of the the roller?

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