cam upgrade worth it?
Thread Starter
On The Tree
Joined: Apr 2011
Posts: 136
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From: indianapolis
cam upgrade worth it? im gathering parts for my turbo build and wondering if upgrading the cam is worth it. stock 98 shortblock ls1 with 317 heads and on3 turbo kit (76mm). want to keep boost under 10psi to make the motor live longer. not looking for a certain hp. but more is always better... any info would be appreciated
Restricted User
Joined: Mar 2014
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From: Ohio
I would just turn the boost up a bit. Normally I would recommend a cam but you can still make good power and torque on the stock cam, and that turbo isn't going to benefit a lot from a large cam. If you do swap cams, keep it fairly small.
Id do a turbo cam! I ran a ls7 cam in my car for almost 2 seasons and was happy with it. I switch to a custom tick cam at the end of last season and let me tell u there is a HUGE differance. On PAPER the cams r with in a cupple hp from each other and the power curve in nearly the same as we'll on the same boost. But driving it there is a night and day differance! It spools WAY faster at any rpm and is so much more fun to drive. At the track there is a huge differance, on the same boost my car picked up 7 mph and nearly a half second. It's the best 400 I've spent on it so far!
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8 Second Club
Joined: Apr 2006
Posts: 1,011
Likes: 31
From: in my neighborhood
jesus why is this even a question??? OF COURSE YOU SHOULD PUT A CAM IN IT! notice all the people saying to leave the stock cam still have the stock cam. cam is one of the most important pieces of the turbo puzzle......
on my fairmont 3 first combination
i used a 99 4.8 totally stock and just valvesprings
car went 11.0 @ 126 first pass with a so so 60ft
on3 76mm and 18psi 12deg timing pumpgas
installed a isky triple 12 cam from JFR and went back to the track
did not change anything but minor fueling fixes
10.72 @ 136, i picked up 10 mph! from a small turbo cam
that is a significant amount of power
i used a 99 4.8 totally stock and just valvesprings
car went 11.0 @ 126 first pass with a so so 60ft
on3 76mm and 18psi 12deg timing pumpgas
installed a isky triple 12 cam from JFR and went back to the track
did not change anything but minor fueling fixes
10.72 @ 136, i picked up 10 mph! from a small turbo cam
that is a significant amount of power
Thread Starter
On The Tree
Joined: Apr 2011
Posts: 136
Likes: 0
From: indianapolis
dont get me wrong im all for adding parts. just trying to get the right combo for what parts i have instead of wasting money on something that wont help the cause.
so those who say yes to cam what others besides already mentioned isky 12?
so those who say yes to cam what others besides already mentioned isky 12?
8 Second Club
Joined: Apr 2006
Posts: 1,011
Likes: 31
From: in my neighborhood