Generation IV Internal Engine - Cam Question ! Cam Guru come in!




View Full Version : Cam Question ! Cam Guru come in!


Jrp1978
04-22-2012, 11:01 PM
418 ls2 stroker
AFR heads 225
11.5 compression
Fast 102 intake
Ported 90 mm tb
1 7/8 headers
42 lbs injectors


Cams


Cam 1
244 - 244 duration

.050 14 BTDC 58 BBDC
50 ABDC 6 ATDC LIFT 612 -612


CENTERLINE , DEG 108 ATDC INTAKE 116 BTDC EXHAUST

CAM 2

238 - 238

.050 6 BTDC 54 BBDC
52 ABDC 4 ATDC LIFT 631 - 631

CENTERLINE, DEG 113 ATDC INTAKE 115 BTDC EXHAUST

CAN SOMEONE RUN THOSE TWO SEE WHAT WOULD BE A BETTER CHOICE IN A PONTIAC G8?


Tainted
04-22-2012, 11:07 PM
What do you want to do with it?

Jrp1978
04-22-2012, 11:09 PM
Just want to see witch one would would better in a street car but strip on weekends


Tainted
04-22-2012, 11:11 PM
Those are both pretty big street cams. It can be done, but there are others that will be much better suited for street driving. Patrick G does custom cam specs for $25 and has a g8 as well. It may be very much worth your time and $25 to have him spec you a cam based on your build and goals.

Jrp1978
04-22-2012, 11:14 PM
One of them is spec for the g8 ! One make ton more torque ! I wasnt sure if someone had a cam doctor or dyno to see if i was right on the # I came up with !

Tainted
04-22-2012, 11:17 PM
Id go for the one g8 specd which I imagine is the 238/238 one..

Jrp1978
04-22-2012, 11:27 PM
can you post why?

Jrp1978
04-22-2012, 11:29 PM
You look at chart ! Well one i did you see 51 more hp and 47 lbs try almost all the way threw !

Jrp1978
04-22-2012, 11:33 PM
I am just shooting for 500 hp in the g8 on this setup !

Tainted
04-22-2012, 11:59 PM
With a 418 and those heads 500whp should be no problem at all. Dont see any charts?

Jrp1978
04-23-2012, 12:22 AM
Ya but you dont know my luck buddy ! Between woman and cars ! I cant seem to get anything right !
I am building this motor now against everone i knows advice telling me i cant ! I just want to get this one thing right and say yeah I built that ! Ya know !