Comp cams 910 springs ??'s - Ford Powerstroke Diesel Forum
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post #1 of 9 Old 04-20-2014, 06:29 PM Thread Starter
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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?

99 f250 4x4 7.3 php tunes,20's
01 4x4 cc srw 7.3 550hp BTS trans
02 excursion LMTD 4x4 7.3
95mustang gt,86 5.0,03 gt
allis chalmers 185-d
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post #2 of 9 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

PIS 175/80's, Van Turbo with EBPV, BD Billet Wheel
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post #3 of 9 Old 04-21-2014, 03:21 AM Thread Starter
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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........

99 f250 4x4 7.3 php tunes,20's
01 4x4 cc srw 7.3 550hp BTS trans
02 excursion LMTD 4x4 7.3
95mustang gt,86 5.0,03 gt
allis chalmers 185-d
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post #4 of 9 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.

2002 f250 ccsb 4x4, 250/200's,5 inch mbrp,itp boost fooler,regulated return/race fuel system, s&b intake, billet 4r100, swamps idm, lifted 2 inches, leveled, 35inch nittos on 18" s468, mishimoto intercooler, hydra tuning, detroit locker rear, dynomat, not done.........

2006 f350 ccsb 6.0, sct tuner 3015 custom tunes, studded, deleted, exhaust
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post #5 of 9 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...

Please check out my 7.3 Enthusiast Facebook group! All are welcome! LINKY

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post #6 of 9 Old 04-21-2014, 08:41 AM Thread Starter
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Shlutzer, thanks for your input that's reassuring to hear.

99 f250 4x4 7.3 php tunes,20's
01 4x4 cc srw 7.3 550hp BTS trans
02 excursion LMTD 4x4 7.3
95mustang gt,86 5.0,03 gt
allis chalmers 185-d
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post #7 of 9 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
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post #8 of 9 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

01 F-250 SC PSD,320k,16 Isspro Gauges, AFE-2,CCV Mod,IAH delete,map reg,Modded H2e, 6.0 IC, 230/100 from P.I.S, Studs, 910 springs, Forged rods, Water injection,Hydra chip-No Limit/Gearhead tuning, Swamps HVHF IDM, MBRP 4" dual's, Aero, 6" tip's, 4" Revtek lift, 37/12.5/16.5 MT's
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post #9 of 9 Old 04-26-2014, 10:31 PM Thread Starter
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Factory pushrods!!!!! You sly dog you...LOL

99 f250 4x4 7.3 php tunes,20's
01 4x4 cc srw 7.3 550hp BTS trans
02 excursion LMTD 4x4 7.3
95mustang gt,86 5.0,03 gt
allis chalmers 185-d
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