ME Leigh

Go with this one: 249-08-302-8 Computer controlled Hydraulic Roller Camshaft
Lift: .480''
Duration @ .050'': 210°/220°
RPM Range: 1200-5200
| More Details

klumb15

yea but the second one that you said states that its for 305 or 350 TPI with modified computer...I don't have a modified computer....i'm supposed to go with the first one aren't I...Computer controlled Hydraulic Roller Camshaft
Lift: .450''/.480''
Duration @ .050'': 264°/206°
RPM Range: 1000-5000

Note: Hydraulic Roller for factory roller cam engine with stock Tuned Port Injection and stock computer.

the second one says: 249-08-302-8
Computer controlled Hydraulic Roller Camshaft
Lift: .480''
Duration @ .050'': 210°/220°
RPM Range: 1200-5200

*Note: Hydraulic Roller for factory roller cam 305 & 350 engines with TPI and modified computer.

jzajac1

The new Summit catalogue list P/N "CRN-104224" - (214/220 duration at .050" - .452/.465 lift ),They now call them Crane PowerMax (emission legal, comes in both roller cam or flat tappet cam), you want roller style because a '90 engine already had roller lifters. Your stock L98 springs will handle the lift of the cam, your stock lifters and pushrods will work just fine. Ignore the notes at the bottom of the page saying for 305 only. I have no idea why they added that note after all these years. The cam specs did not change since I had mine so I don't know what their reasoning is.Visit Summit website...http://www.summitracing.com/

klumb15

how much of a difference did you get when you did yours? This will give my exhaust that sweet lumpy cam sound right, cause that sounds awesome!?!!?

ME Leigh

"yea but the second one that you said states that its for 305 or 350 TPI with modified computer...I don't have a modified computer....i'm supposed to go with the first one aren't I...Computer controlled Hydraulic Roller Camshaft
Lift: .450''/.480''
Duration @ .050'': 264°/206°
RPM Range: 1000-5000"

That cam is not much more then stock. Why even do it?

aklim

IOW, you stick it in and it will change things so little that the computer can compensate for it. You know what is involved in a cam swap? Why go thru all that hassle and have 20HP to show for it? What so difficult about getting your ECM reprogrammed? You call people like www.fasterproms.com, tell them what you need done and they will send you a reprogrammed EPROM. If you borrow their DIACOM stuff and have a laptop, you can email them feedback so they can send you another chip that is even closer than the first and so on. You could do the cam swap with the motor in the car but that is a pain. Easier if you take the motor out.