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Old 11-04-2008, 08:51 PM   #1
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Best Cam for a 350 TPI

Hi ! just want to know what will be the best cam to but in my engine with the stock intake or the best cam/intake combinetion for the l98 tpi ! thanks u all !
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Old 11-04-2008, 09:23 PM   #2
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Re: Best Cam for a 350 TPI

stock heads? Are you willing to have some work done to the heads for abit more cam lift?

stock heads are generally only good to about .470 lift or so before you have problems. You can shim them up to handle .510 lift or so. I'd recommend it for some cams.

but for true stock heads with new valve springs, crane powermax 2032 cam is a nice cam. it works well with stock intake/heads.

if you have better intake (siamesed TPI/HSR/miniram/superram) and some port work done, you can go alittle more duration like a 218/224 or such.
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Old 11-04-2008, 09:50 PM   #3
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Re: Best Cam for a 350 TPI

yes on the stocks heads , can i put 1.6 roller rocker with the 2032 cam ?
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Old 11-04-2008, 09:56 PM   #4
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Re: Best Cam for a 350 TPI

if i recall right, the 2032 cam is .452/.465 with 1.5 rockers, so no dont run 1.6's unless you plan on adding shims/offset valve locks to get your lift capacity up. 1.6 rockers will net .482/.496 so you will need to shim up the springs to allow that to happen. not a bad idea and not hard to do since you need to replace your springs anyway, just buy offset valve locks, +.050" offset is needed, then get .045 worth of shims since most shims only come in .015, .030, .060 increments. Get a pack of .015 and .030 to lift up the spring assembly. that will allow you to run darn near .520" lift but i'd keep it down to .500-.510 for clearance safety purposes
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Old 11-04-2008, 10:50 PM   #5
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Re: Best Cam for a 350 TPI

get a crane 2032 cam.. its in my 350 tpi it has a lumpy idle but i have alot of supporting mods.... this cam can go into a competely stock 350 tpi with no problems.. but i suggest replacing the springs that match with this cam.... look at my videos and you will see my mods

http://www.youtube.com/watch?v=YmAOjTj03yU


http://www.youtube.com/watch?v=Yja12...eature=related
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Old 11-05-2008, 01:56 AM   #6
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Re: Best Cam for a 350 TPI

It's my opinion that its not worth it to do the work to put a bigger cam in our cars if you're keeping the stock heads. For one, the valve springs on those heads are 20 years old and worn out. Also the valve guide seals will need to be replaced as well so you dont get the puff of smoke on startup. The valves themselves have probably seen better days, too, and arent making a good seal in the seats as well as they used to.
But if you're dead set on it, make sure you at least replace the valve springs and the valve stem seals. I recommend Manley 22410-16 springs and 23652-16 retainers, along with 13091-16 valve locks. That'll allow you to run up to .550" lift camshafts, so you could run the 2032 cam with 1.6 rockers. But you will also have to change to screw-in studs to run that much lift, Manley part# 42106-16. The valve stem seals you'll have to get elsewhere, Manley doesnt make them for the stock heads.
And since you have to remove the intake manifold to change the cam, you might as well replace it as well with a TPI intake manifold from Edelbrock. (they make all the TPI manifolds now and have the best price)
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Last edited by Kevin91Z; 11-05-2008 at 02:36 AM.
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Old 11-05-2008, 02:13 AM   #7
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Re: Best Cam for a 350 TPI

is there some type of formula you are using to determine the lift when you factor in rocker arm ratio's???
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Old 11-05-2008, 02:35 AM   #8
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Re: Best Cam for a 350 TPI

Yes, take the stated lift with 1.5 rockers, and divide by 1.5. That will give you the lobe lift of the camshaft. Now multiply that number by 1.6 and that will give you the new lift with 1.6 rockers.
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Old 11-05-2008, 11:37 AM   #9
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Re: Best Cam for a 350 TPI

Hi Folks
with my mods the LT-4 Hot cam with 1.6 roller rocker works great - drivable and sounds cool.
thanks
Bill
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Old 11-07-2008, 01:49 PM   #10
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Re: Best Cam for a 350 TPI

Quote:
Originally Posted by 92 Z-28 Camaro View Post
Hi Folks
with my mods the LT-4 Hot cam with 1.6 roller rocker works great - drivable and sounds cool.
thanks
Bill

dont mean to steal the thread or anything but,

What do you have for heads/exhaust/injectors/fuel pressure/and intake???
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Old 11-08-2008, 06:48 AM   #11
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Re: Best Cam for a 350 TPI

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dont mean to steal the thread or anything but,

What do you have for heads/exhaust/injectors/fuel pressure/and intake???
Hi is the info on the car
TIMESLIP #1 60' =1.80 660' =8.25 1320' = 12.93 @ 106.43
Edelbrock pocket ported heads, LT4 HOT Cam, 1.6 RR, ported SLP runners, port matched base, 24# injectors, holley fuel pump, 52mm TB, AFR (43#), MSD 6A, Custom Chip (Superchips), SLP headers (Hot Jet coated) and exhaust system, 2000 stall converter, B&M shift kit, home made cold air kit, Edelbrock trailing arms, 3.73 gears, and drag Radials
thanks
Bill
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Old 11-08-2008, 07:52 AM   #12
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Re: Best Cam for a 350 TPI

Quote:
Originally Posted by 88fastgta View Post
get a crane 2032 cam.. its in my 350 tpi it has a lumpy idle but i have alot of supporting mods.... this cam can go into a competely stock 350 tpi with no problems.. but i suggest replacing the springs that match with this cam.... look at my videos and you will see my mods

http://www.youtube.com/watch?v=YmAOjTj03yU


http://www.youtube.com/watch?v=Yja12...eature=related
That sounds really nice and throaty. Classic V8 soundtrack...
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Old 11-08-2008, 07:52 AM
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