18x10roushes said:does any one know if these new compcams are any good ? i have a built bottom end and im currently getting my heads ported. anyones advise on the cams by the way i got an 03 gt on the bottle to.
18x10roushes said:yea i heard bout the vt cams to but i went with the compcams instead thanks for the response
18x10roushes said:242 int 246 exh 550 lift on a 113 lobe
billyfe390 said:Make sure you Degree them in BEFORE you start the car. Also if your heads are off get some clay and check the PTV clearance.
Valve reliefs do work on mod motors, I know from personal experience. I had 270s and had ptv and then took the heads off and cut valve reliefs and everythin worked great. But either way you go just measure your clearances98 convertable said:If you install the chains properlly, there is no need to degree the cams. I do reccomend checking the base circle on comp cams though. On some of the older cams (older than 2 years), the base circle was off. I have the XE278's, and have no PTVC problems. There is no need to have valve reliefs on mod motors. The valves will hit the edge of the piston, not the center like pushrod motors.
XE278's run great up top, but suffer below 3,000RPM. VT and Comp both make great cams, and if you look at the specs, they are very similar. It is just personal preference, thats all. Comp has been around a lot longer than VT though.
TNstanggurl said:Valve reliefs do work on mod motors, I know from personal experience. I had 270s and had ptv and then took the heads off and cut valve reliefs and everythin worked great. But either way you go just measure your clearances
98 convertable said:If you install the chains properlly, there is no need to degree the cams.
billyfe390 said:Installing a aftermarket cam without degreeing it in is just stupid. You may not get any more power out of it but you definately know that you didnt slip up timing the cams also you know dam sure that the cams are dead on with the card.
You may take the chance on someone elses workmanship but for me I am not made of money and I dont feel like replacing a short block simply because I was too lazy to do some measuring.
Yes you may have to get them flycut!18x10roushes said:242 int 246 exh 550 lift on a 113 lobe
nickthegenius said:I've heard of people doing this, but how do you keep the cam from turning in the keyway after its been ground out to be degreed? It looks like at some point, the cam could turn inside the sprocketOr do you just have to torque the bejeezus out of it?
Fidanza is releasing adjustable sprockets that would make it much easier, though.
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