What cam for stock heads?
Thread Starter
Joined: Feb 2008
Posts: 1,265
Likes: 18
From: Bolton Masshole
What cam for stock heads? Mods are in sig. I know its been covered before but what cam would be best for my car with stock heads? GM 847, cc503, any other recommendations? Also, what do i need other than this stuff:
Cam
Hardened Pushrods
Springs
1.6 RR
Thanks guys
Cam
Hardened Pushrods
Springs
1.6 RR
Thanks guys
You might need guideplates depending on the RRs. retainers/locks too.
Might find bad cam bearings. Then you need much more work. I'm afraid to do a cam to find that problem.
Everybody that has a 503 cam is going to tell you not to get an 847.
Might find bad cam bearings. Then you need much more work. I'm afraid to do a cam to find that problem.
Everybody that has a 503 cam is going to tell you not to get an 847.
i went with the Ai 226/234 cam kit. they already took all the guesswork out. cam, springs, retainer, locks, rockers, guide plates, pushrods, gaskets....etc. bout $1100 i think. its similar to the cc503, just more refined.
Can't tell you until you answer a few questions
Emissions a concern?
How high are you willing to rev it?
Stock short block?
Going to change your gears?
DD or Weekend Warrior?
What kind of idle?
My cam sticky will help you figure out what valvetrain you need. If you have a stock short block I would recommend looking at cams with a mid to high 220's intake duration or smaller, anything larger will want rpm's that will be lethal to the stock shortblock.
Emissions a concern?
How high are you willing to rev it?
Stock short block?
Going to change your gears?
DD or Weekend Warrior?
What kind of idle?
My cam sticky will help you figure out what valvetrain you need. If you have a stock short block I would recommend looking at cams with a mid to high 220's intake duration or smaller, anything larger will want rpm's that will be lethal to the stock shortblock.
Thread Starter
Joined: Feb 2008
Posts: 1,265
Likes: 18
From: Bolton Masshole
already deleted cats, egr and air so emissions are obviously not a concern. don't really want to rev too far past 6200. Stock heads and shortblock. Will be doing gears soon. it is a DD. a nice choppy idle is good.
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Even the 503 will want to go a little beyond 6300, the 847 is going to want an easy 500rpms more.
If you want to use that as a limit start looking low 220s duration or high 21x.
The 218 cam on AI's site is a nice little one, seen a cam only car with NOTHING else special run basicaly what a golen stroker was same day same track.
If you want to use that as a limit start looking low 220s duration or high 21x.
The 218 cam on AI's site is a nice little one, seen a cam only car with NOTHING else special run basicaly what a golen stroker was same day same track.
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Even the 503 will want to go a little beyond 6300, the 847 is going to want an easy 500rpms more.
If you want to use that as a limit start looking low 220s duration or high 21x.
The 218 cam on AI's site is a nice little one, seen a cam only car with NOTHING else special run basicaly what a golen stroker was same day same track.
If you want to use that as a limit start looking low 220s duration or high 21x.
The 218 cam on AI's site is a nice little one, seen a cam only car with NOTHING else special run basicaly what a golen stroker was same day same track.
that is a dyno graph of a stock headed LT1 with a GM847. peak power is at 5800 rpm and looks like it wants to be shifted around 6400. I don't see it wanting to go to 6800 rpm? that car went 12.5 @ 112 with a 1.9 60', full weight with a driver who claims to be 400 lbs so it has the power to back up the dyno.
