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CAM FOR A 350 CHEVY ENGINE

 
tonyscars84
I love my Chevy Chevette!
Posts: 10
Joined: 09/08
Posted: 09/30/08 07:35 PM

IVE BEEN LOOKING AT CAMS FOR MY ENGINE BUILD THIS IS MY FIRST ONE,WHAT TYPE OF CAM WILL GIVE ME THE BEST PERFORMANCE???  

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GibTG
I mow my lawn and find Chevys
Posts: 1985
Joined: 10/03
Posted: 09/30/08 07:54 PM

That is an impossible question to answer.

Cam selection requires a lot more than one sentence - it requires a great deal of information/planning on your part and a great deal of expertise on the other end.  
~Gibs

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firsttimer
V-6 Camaros rule!
Posts: 54
Joined: 09/08
Posted: 09/30/08 08:18 PM

cant offer you much but CAMQUEST 6. its free, just go to comp cams.  Be careful some of these guys can be brutal!!!  

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GibTG
I mow my lawn and find Chevys
Posts: 1985
Joined: 10/03
Posted: 09/30/08 08:33 PM

Yep, we're horrible!

We deal out some harsh words!  
~Gibs

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tonyscars84
I love my Chevy Chevette!
Posts: 10
Joined: 09/08
Posted: 09/30/08 10:31 PM

im saying whats the best application....hydraulic flat tappet,mechanical flat tappet,hydraulic roller tappet,mechanical roller tappet,hydraulic roller follower, mechanical follower which is best, im going to use 72cc bowtie iron vortec heads  

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GibTG
I mow my lawn and find Chevys
Posts: 1985
Joined: 10/03
Posted: 10/01/08 06:08 AM

Yikes...

A hydraulic roller "follower" and a hydraulic roller "tappet" are the exact same thing.  
~Gibs

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mpayne
I mow my lawn and find Chevys
Posts: 1117
Joined: 10/07
Posted: 10/01/08 10:06 AM

What would be the definition of Camquest 6 being brutal.  

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SMOKESHOW
I mow my lawn and find Chevys
Posts: 1001
Joined: 09/08
Posted: 10/01/08 01:13 PM

what is the rest of your combination? what are you going to use it for? what is your budget?  

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GibTG
I mow my lawn and find Chevys
Posts: 1985
Joined: 10/03
Posted: 10/01/08 01:13 PM

Oh my god, I can't handle the all stupidity...  
~Gibs

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SMOKESHOW
I mow my lawn and find Chevys
Posts: 1001
Joined: 09/08
Posted: 10/01/08 01:15 PM

I don't think he meant cam quest is brutal.......Perhaps the posters here may be a bit harsh.  

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JW454
I have an SS396 tatoo
Posts: 345
Joined: 07/08
Posted: 10/01/08 05:19 PM

The hydraulic roller cam will give you the best street performance. The initial cost is quite high, but a flat tappet cam cannot move the valves at the velocity that the roller can. And besides, if you have read the other cam post's you can avoid common flat tappet cam failure, provided all the clearances are correct.  

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tonyscars84
I love my Chevy Chevette!
Posts: 10
Joined: 09/08
Posted: 10/01/08 06:03 PM

im just trying to build a fast street car so a hydraulic roller would be best?  

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JW454
I have an SS396 tatoo
Posts: 345
Joined: 07/08
Posted: 10/01/08 06:25 PM

That would be the most powerful choice.  

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GibTG
I mow my lawn and find Chevys
Posts: 1985
Joined: 10/03
Posted: 10/02/08 12:37 PM

The answer to if a hydraulic roller cam will make any more power than a hydraulic flat tappet lies in how big of a cam is going to be used.

It seems like these kind of threads always go nowhere fast.  
~Gibs

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JW454
I have an SS396 tatoo
Posts: 345
Joined: 07/08
Posted: 10/02/08 05:12 PM

A roller cam can raise the lifter faster than the flat tappet cam in the same amount of crankshaft rotation. The faster the lifter is raised, the longer you can delay opening the valve for better low speed power and idle quality. A fast rising roller lifter can maintain or even increase valve open duration at higher valve lifts, for excellent high speed power. A roller cam is one of the few things in a four cycle engine that can increase both low and high RPM power. Furthermore, the ease the roller lifter moves over the cam lobe drastically cuts down on friction which frees the engine to produce more power and slightly better fuel economy. A flat lifter riding on a camshaft is the highest point of wear in a four cycle engine. With this in mind, the lubrication system has less stress placed upon it. If this point is eliminated, the quality of oil being used and the frequency of oil changes is much less critical. Another advantage is stiffer valve springs are used with the roller cam, with little or no side effects, unlike the flat tappet, which control the valves with much greater precision.  

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