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Thread: what valve springs u guys running?

  1. #21
    Quote Originally Posted by parker View Post
    PRC dual extremes here... .660lift changing the seats and seals is a must and very easy...i highly recommend them. stay clear of 918s in my opinion
    Same here. 918s had a bad batch and took out several tons of motors.
    99RCSB Broke because I wasted thousands and thousands of dollars on my truck.

  2. #22
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    Quote Originally Posted by Mang213 View Post
    Is it a good idea to go to hardened pushrods at this point, with the heavier spring, or do stockers handle the rate change?
    Quote Originally Posted by Sargen View Post
    I read somewhere that the pushrods are the weakest link in the valvetrain, 120 for hardend is cheap insurance in my eyes.
    ABSOLUTLY YES! If you are going to upgrade valve springs, it is a VERY good idea to install hardened pushrods. It is cheap insurance and they are the weakest link in valve train. Not only that, when you are in the process of replacing vavle springs, the pushrods are fully exposed. All you have to do is pull the old rod out and drop the new one in - takes about 34.7 seconds for all eight once the rocker arms are off.

    ~ Forged engine of some type ~ Ball bearing turbo of an unconfirmed size ~ 4L8000 trans ~ Beefy fuel system ~

  3. #23
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    Quote Originally Posted by zeake View Post
    Same here. 918s had a bad batch and took out several tons of motors.
    The ones that got my motor were the "new and improved" ones. Absolute junk in my opinion. I will never run another COMP product as long as I live thanks to the rude customer service I received from them
    2007 RCSB|DTR81 built LSx 3xx|PRC|NX|BOGART|MSD|QUICKFUEL 950 E85|4L80|FTI Converters|Smith RaceCraft|Racepak
    midweststreetcars.com

  4. #24
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    Quote Originally Posted by jetmech View Post
    ABSOLUTLY YES! If you are going to upgrade valve springs, it is a VERY good idea to install hardened pushrods. It is cheap insurance and they are the weakest link in valve train. Not only that, when you are in the process of replacing vavle springs, the pushrods are fully exposed. All you have to do is pull the old rod out and drop the new one in - takes about 34.7 seconds for all eight once the rocker arms are off.
    Hmm, you must be slow. Ive heard of all eight rods being swapped in only 32.6 secs. You need to practice more, bro j/k

  5. #25
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    I figured this would be the right time to do it, since youve got the valve covers off. I just didnt know what the real world experience was with the stockers. Ive heard that they were kinda weak, but you know how people find a way to make the oem stuff last with some tricks. I guess these are just so easy to replace that its a no brainer

  6. #26
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    Yeah, I wouldn't chance bending a pushrod. My friend just ripped his engine apart and i believe it was the number 3 cylinder that had a pushrod do a contortionist act. It was pretty gnarly, then again he has a FORD. Oh, and I'll work on getting faster - maybe I can get faster than 33.9 seconds

    ~ Forged engine of some type ~ Ball bearing turbo of an unconfirmed size ~ 4L8000 trans ~ Beefy fuel system ~

  7. #27
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    +1 to being faster. Does patriot offer a complete valvetrain upgrade with the spring upgrade components along with the pushrods, or just the spring stuff?

  8. #28
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    I was on the phone with Comp yesterday and thought their customer service was really great, maybe your guys was having a bad day...
    04 GMC Regency - Building a 6.0 Comp 7.4" Hi-Tech Pushrods, Patriot Performance 8401 Spring Kit, Comp Double Roller Timing Chain, ARP Rod Bolts, ARP Head Bolts, Cam - I dont know yet, any suggestions???
    89 Chevy Cheyenne - 10/24/09 Time of death declaired at 8:16pm.

  9. #29
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    well see hopefully monday what lift my cam is going to have then ill choose the springs,,thanks for all the input

  10. #30
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    good luck with it bud

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