good streetable cam for supercharged 408
11-11-2008, 08:44 PM
#1
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good streetable cam for supercharged 408 alright im sure everyone will have different opinions but i got a 408 forged internals setting at 8.5 :1 compression and 317 heads ported out! got all the springs good to 660 lift hardened pushrods and etc.. need car to be easily tuned but like to get all i can .. wife wants to drive car so nothing pushin limits of user friendly.. epp makes a good cam its a 232 int 240 exh
.595 int .608 exh Lobe Sep 115.0 , Chuck Anders @ HPE likes the 235/242 on a 115 w/ .642/.612 lift on a street car because it starts pullin at 3k rpm!! help me help me!!
cant decide!!
.595 int .608 exh Lobe Sep 115.0 , Chuck Anders @ HPE likes the 235/242 on a 115 w/ .642/.612 lift on a street car because it starts pullin at 3k rpm!! help me help me!!
cant decide!! 
11-11-2008, 09:17 PM
#2
I have heard a lot of good things about the EPP cam as was considering it for my much milder stock cube set up. I would say you are in the right area and its probably going to come down to personal preference but some of the guys that run the car will chime in here in a few and give you some better feed back.
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11-12-2008, 08:15 AM
#8
I have a 236/245//598/608//115 cam in my 402 and thing starts to really pull around 3500ish RPMs. But when it pulls, it pulls hard. Even being on a 115 LSA, there is a lot of lope.
First off, if your wife has no experience with a stroker SC car, she really should not be driving one. I don't mean to sound harsh, but it is way too easy for the car to get away from a you, but you sideways, and right into a telephone pole or another car.
Both of the cam you listed would make good racing cams. For a street car I would do some like 220/226//578/588//116 or 117. It will still make some good power, it would start to engage at a lower RPM, and the lope will much less.
First off, if your wife has no experience with a stroker SC car, she really should not be driving one. I don't mean to sound harsh, but it is way too easy for the car to get away from a you, but you sideways, and right into a telephone pole or another car.
Both of the cam you listed would make good racing cams. For a street car I would do some like 220/226//578/588//116 or 117. It will still make some good power, it would start to engage at a lower RPM, and the lope will much less.
11-12-2008, 09:11 AM
#9
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she is use to my hotrods she dont push it!! its a t trim supercharger, built to run 15 lbs. i probably can adjust headasket to change compression up a little. what compression would be best 9to1? i would like a little lope from the cam!!
11-12-2008, 03:13 PM
#11
Off topic, I'm putting together a 403ci LS2 to be run with a T-Trim and am thinking along the same lines as you regarding the camshaft. What type of car are you putting this in?
11-12-2008, 04:39 PM
#12
IMO if you want a nice streetable blower cam I would keep the duration pretty low and actually tighten the LSA. I am actually not a fan of wide LSA's on a blower car, but LSA and duration is just a bi-product of the most important thing, overlap.
The T-trim is Vortech's 1200cfm blower and on a 400+CI LSx motor with good heads you'll most likely only see around 12lbs depending on the efficiency of the motor. I say with this centri blower setup I would cam the motor small (high 220's, low 230's on a 110-112LSA. With the 408ci motor you'll have a slight idle but nothing drastic at all, almost a sleeper effect. You'll have great low end TQ and once in boost it will pull like crazy. However if you want to soften the low end grunt you could always go a little bigger on the duration, but driveability will suffer. Let the blower/heads make the power, the biggest cam doesn't always make you faster
IF you really want this thing to be a screamer, raise the compression ratio a full point, install a FMIC, with a 100% meth kit.
What tranny you plan on running?
The T-trim is Vortech's 1200cfm blower and on a 400+CI LSx motor with good heads you'll most likely only see around 12lbs depending on the efficiency of the motor. I say with this centri blower setup I would cam the motor small (high 220's, low 230's on a 110-112LSA. With the 408ci motor you'll have a slight idle but nothing drastic at all, almost a sleeper effect. You'll have great low end TQ and once in boost it will pull like crazy. However if you want to soften the low end grunt you could always go a little bigger on the duration, but driveability will suffer. Let the blower/heads make the power, the biggest cam doesn't always make you faster
IF you really want this thing to be a screamer, raise the compression ratio a full point, install a FMIC, with a 100% meth kit.
What tranny you plan on running?
!
11-13-2008, 12:03 AM
#14
I have the T-trim on my 383 with a solid roller, 230/236 on 112LSA, net lift .574/.585. That's like running about a 224/230 hydraulic roller, so I'm in with T/A KID on this one. With the bit extra cubes I might go to a hyd 228/234 on a 113.
How high would you like to spin this on a regular basis?
Jim
PS Btw the max boost I've seen is right around blower redline, 12.87 after the big FMIC and throttle. I bet the 408 with the right cam will max out between 11 and 12.5#.
My Site: http://home.mindspring.com/~jim_fisk/id1.html
How high would you like to spin this on a regular basis?
Jim
PS Btw the max boost I've seen is right around blower redline, 12.87 after the big FMIC and throttle. I bet the 408 with the right cam will max out between 11 and 12.5#.
My Site: http://home.mindspring.com/~jim_fisk/id1.html
