TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

Cam advice?

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Old Jan 18, 2014 | 03:53 AM
  #1  
ericjon262's Avatar
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Joined: Nov 2008
Posts: 1,545
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From: South Carolina
Car: 85 2M6, 87 'Bird 88 'burb
Engine: LX9, LG4, L05
Transmission: F23, 700r4, 700R4
Axle/Gears: 3.63, 2.73, 4.10
Cam advice?

anyone care to make a cam recommendation for me? I'm getting ready to rebuild my carb'd 350, which I plan to convert to TBI in the near future, it's a flat tappet engine, with Vortec heads, edlebrock aluminum intake, nothing special really, preferred powerband would be in the 1500-4500 rpm range.

the vehicle weighs about 4000 lbs, automatic, with a 2000 stall converter, and 3.73's

Thanks-

Eric
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Old Jan 19, 2014 | 11:35 AM
  #2  
mccl6927's Avatar
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Joined: May 2010
Posts: 64
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From: Idaho
Car: 92Camaro 89 Blazer
Engine: 3.1L Turbo
Transmission: T5
Re: Cam advice?

I went the cheap route and have the Summit 1102 cam (adv dur 278/288, Lift .421/.444) in my 350 blazer with heavily ported swirl port heads and a manual behind it. low end torque isnt the best but it pulls hard from 2000 to 5700 (and probably past that) where i have the fuel cutoff set. Im happy with it but im sure there are much better cams.
If you plan on changing a cam in a tbi setup you really should be prepared to tune to get the most from it.
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Old Jan 19, 2014 | 01:39 PM
  #3  
ericjon262's Avatar
Thread Starter
Supreme Member
15 Year Member
 
Joined: Nov 2008
Posts: 1,545
Likes: 10
From: South Carolina
Car: 85 2M6, 87 'Bird 88 'burb
Engine: LX9, LG4, L05
Transmission: F23, 700r4, 700R4
Axle/Gears: 3.63, 2.73, 4.10
Re: Cam advice?

the engine in the vehicle isn't TBI, and it's running vortec heads too. I plan to TBI or maybe TPI it a later date. I am well aware a tune would be required.
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Old Jan 19, 2014 | 02:36 PM
  #4  
mccl6927's Avatar
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Joined: May 2010
Posts: 64
Likes: 0
From: Idaho
Car: 92Camaro 89 Blazer
Engine: 3.1L Turbo
Transmission: T5
Re: Cam advice?

my thoughts were that heavily ported swirlports like mine flow pretty close to stock vortecs although the combustion chambers are different. just throwing out ideas man.
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