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Old 02-04-2011, 05:59 PM
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Cam choice

Chevy k-10,3;73 gears,stock 350 turbo and converter.355 C.I.,10:1 comp.with flat tops/.062 vortec heads and edelbrock 2116 w/q-jet tricked out.upgraded ignition and wires,stock 190 hp cam.I am going to pin the studs just for security but want to stay away from spring change and milling since the heads are new out of the box.looking for torque to smoke the large meats.Will be running stock manifolds with 2.25 inch duals and free flow mufflers.Pulls like a mule going uphill up to 4000 rpm right now and can come sideways off the line with posi but always need more.Anyone with similar setup would appreciate what your cam of choice was( in other words what you are running) and how it works out for ya.Was leaning towards Comp cams 235.Thanks in advance.
Donnie

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Old 02-04-2011, 07:15 PM
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Well,I believe I would leave it alone if it performs the way you describe.
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Old 02-04-2011, 07:29 PM
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small block

The only other choice is a Big Block, more torque more happy, no seriously sounds great for a heavy truck already, just enjoy it. Play around with simple things like a carb spacer, rejetting for fun if anything.
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Old 02-04-2011, 07:57 PM
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sounds strong

The combo sounds like its working well! If it were mine id enjoy it for a while
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Old 02-04-2011, 08:42 PM
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More Torque? How about a 400 crank?
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Old 02-04-2011, 09:18 PM
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What size tire are you running. If anything id go with a set of 4:10 grears and you'll notice more torque. Also agree with going big block
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Old 02-04-2011, 10:12 PM
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You may not want to go with a cam that has 235@.050 for a couple reasons. Unless you've got the already upgraded Vortecs like those offered by Scoggin Dickey then a 235@.050 cam is probably going to have too much lift and you'll run into coil bind. The 235@.050 cam is also going to take torque away down low, possibly even enough that you may not be able to spin the tires very well. I had a 9.7:1 350 that started out with a 230@.050 hydraulic cam and later a 236@.050 solid cam and it didn't start making power until 2200+ rpm. But it'd easily rev to 6000+ and after the solid lifter cam it was closer to 6400.

You may want to consider a 220-224 degree cam with a set of 1 5/8" headers.

What does your "upgraded" ignition consist of? I ran an "upgraded" HEI for a while. It worked but I eventually swapped it out with an MSD distributor, coil and 6AL box. I immediately noticed better starting, better idle and a few hundred more RPM up high.

There's also a supercharger.....

Last edited by Blazin72; 02-04-2011 at 10:18 PM.
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Old 02-04-2011, 10:33 PM
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Quote:
Originally Posted by onthethreshold
Chevy k-10,3;73 gears,stock 350 turbo and converter.355 C.I.,10:1 comp.with flat tops/.062 vortec heads and edelbrock 2116 w/q-jet tricked out.upgraded ignition and wires,stock 190 hp cam.I am going to pin the studs just for security but want to stay away from spring change and milling since the heads are new out of the box.looking for torque to smoke the large meats.Will be running stock manifolds with 2.25 inch duals and free flow mufflers.Pulls like a mule going uphill up to 4000 rpm right now and can come sideways off the line with posi but always need more.Anyone with similar setup would appreciate what your cam of choice was( in other words what you are running) and how it works out for ya.Was leaning towards Comp cams 235.Thanks in advance.
Donnie
Less than 2 cents worth:

235 seems too much for low rpm torque.
How can you get the needed rpm w/o stronger springs?
What is your current spring specs?
I would keep stock cam if springs/studs are weak.
If bored I would visit the RV park.
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Old 02-05-2011, 02:56 AM
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Have been enjoying it and yeh I could leave it alone but a new cam is dropping in.As far as ignition upgraded /blueprinted hei and it starts and idles well even in this cold climate with manual choke on a 4m q-jet.Come on guy's,theres always room for a little more cam. dual pattern w/432/444 lift 206/212 at .050 110 centerline is about where I have my mind set.Should build about 40 more lbs of torque and twenty or so hp.Tweak the secondarys and run 32 to 34 lead on the timing.Anyone have close to this combo?Understand the bottom end is 17,000 k fresh so I'm not going the stroker route or anything,just a cam change.Not to brag but I'm a damn good tuner and know there's more to be had and still have a reliable daily driver that will surprise some stop light adventurers.
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Old 02-05-2011, 03:19 AM
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I saw pics of your truck and its pretty nice. keep on trucking
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Old 02-05-2011, 10:47 AM
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You got a leaky spark tube...
 
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Quote:
Originally Posted by onthethreshold
Have been enjoying it and yeh I could leave it alone but a new cam is dropping in.As far as ignition upgraded /blueprinted hei and it starts and idles well even in this cold climate with manual choke on a 4m q-jet.Come on guy's,theres always room for a little more cam. dual pattern w/432/444 lift 206/212 at .050 110 centerline is about where I have my mind set.Should build about 40 more lbs of torque and twenty or so hp.Tweak the secondarys and run 32 to 34 lead on the timing.Anyone have close to this combo?Understand the bottom end is 17,000 k fresh so I'm not going the stroker route or anything,just a cam change.Not to brag but I'm a damn good tuner and know there's more to be had and still have a reliable daily driver that will surprise some stop light adventurers.
Which cam are you talking about? At first you were talking about a 235 duration cam now you're talking about a 204/214 cam? If your Vortecs are the stock, unmodified versions the smaller cam will be fine but the bigger cam will not work.
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Old 02-05-2011, 04:56 PM
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The Comp Cams 235 is 210/218 at .050, which would probably be okay. However, a 206/212 would probably work better to keep your low end torque.

Bruce
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Old 02-05-2011, 05:12 PM
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Apologize

Had my cams confused,still would like to hear of some cams people are running with similar setup.Sometimes a few degrees make alot of difference.
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Old 02-05-2011, 05:15 PM
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i thunk you were talking about 235 duration cam

didn't know it was part of a part number.

my bad.
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