Lil_Ryan

i am building a 355 lt1 and am not sure what cam to run. i am raising the compression to 12.0:1 and using I-beam rods. i will be using stock heads but will have headers and full 3in exhaust. i will also have a 3000stall. i was intending on using the hot cam, but i wanted to use something bigger. i was looking at the cc xr282. it is 230/236 duration and 510/520 lift. or the next step up, xr288. it is 236/242duration and 520/540 lift. would stock heads be enough to run these cams. if so what is the power range of the cam. my friend has the hot cam and it quits making power at 7200, dyno verified. would the other cams be able to do this. which cam would you recomend.

The Big Show

iTrader: (2)

Ryan, stock LT1's usually quit flowin' air around 5200 rpm (casting dependent). You are completely wasting your time and effort putting a cam any bigger than a hotcam or 305 cam in your car with stock heads. You will basically have a car that sounds fast but gets outrun by cars with lesser mods.

I personally think you were going in the right direction initially with the hotcam or something similar. Unless you have immediate plans to port heads after the motor goes in, than I would stay on the path you were originally heading down.

Gangly

those cams have way too much lift and duration for the stock heads. LT4 Hotcam, cc305, cc224/230 would all be good cams. LT4 hotcam will lose power WAY before 7200 rpms, I garuntee it. It will most likely putter out about 6300 and fall on its face around 6500 if not sooner with stock block and heads.

GreekZ

12:1 compression