Comp cams 910 springs ??'s - Ford Powerstroke Diesel Forum
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  #1  
Old 04-20-2014, 06:29 PM
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Comp cams 910 springs ??'s

Preparing for my engine build. My heads were done bye po at a reputable machine shop. I had one of the big name tuners tell me the comp 910 springs are junk. Any one have any input on this?
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Old 04-20-2014, 09:05 PM
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I'd like to know who said that and what they recomend to use instead.
Comp 910's are the "go to" valve train upgrade for these engines
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Old 04-21-2014, 03:21 AM
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I was told the 910's have to be shimmed so much, that the extra pressure on the springs will wear out prematurely. I was told to buy this particular persons $800 springs........
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Old 04-21-2014, 03:31 AM
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I hope they are not junk, I just bought a set for my forged motor. I was told to shim them up .030 to increase spring pressure. I bought the shims from summit. I got a good deal on the springs on ebay, $50.00 and shims cost $10.00.
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Old 04-21-2014, 03:41 AM
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So many people run the 910 springs with good results, I can't believe any tuner would tell you not to buy them.

Look at the SIG's of the majority of people with 350-600hp builds. Most of them are running 910 springs...
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Old 04-21-2014, 08:41 AM
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Shlutzer, thanks for your input that's reassuring to hear.
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Old 04-21-2014, 10:31 AM
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sounds like said person wants you to spend way to much money on their product.

said person is biased and feeding you a line of bull crap
Heavy_GD likes this.
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Old 04-22-2014, 06:47 AM
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Nothing wrong with 910 springs... To be clear however they are not the end all be all of springs. They are good for a 650hp or under build, with "normal" boost levels, IE 40-60psi.

There are better springs, however the cost goes up a lot.

I've never floated a valve with 910 springs, at 50-55psi boost.

I also run factory pushrods! LOL
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Old 04-26-2014, 10:31 PM
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Factory pushrods!!!!! You sly dog you...LOL
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