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Comp 921 duals or PRC gold duals?

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Old 05-15-2005, 04:52 PM
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Originally Posted by hoserack
I was in a shop recently dicussing which duals I was gonna upgrade to.

The guy had every phucen spring that you could think of in there and I beleive he found the Cranes to be working best.

I'll call tomorrow to double check. and call you.

This guys said 921's are **** and and they also lowered the 918 singles to 600 lift so they could sell the more expensive 921'S.

Before the 921's came along the 918's were rated to 650.
The my Canes sucked compared to my 921s. The Cranes have a lot less open and closed seat pressure and were causing problems with my G5X3 cam. Swapped em out for 921s and no more problems
Old 05-15-2005, 04:53 PM
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Originally Posted by blkZ28spt
Over 7,000? That is seriously high, and is asking for a lot out of a hydraulic roller setup. Let alone the bottom end....
7400rpms and no problems here
Old 05-15-2005, 04:55 PM
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Originally Posted by verbs
The my Canes sucked compared to my 921s. The Cranes have a lot less open and closed seat pressure and were causing problems with my G5X3 cam. Swapped em out for 921s and no more problems
Good, you guys are makin me feel better. I'm also gonna contact allan and ask him just to make sure, but i'm thinkin the 921's are stayin in!
Old 05-15-2005, 05:51 PM
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The comp 921 is a good spring.Just because it cost more doesn't mean its superior to the PRC spring.IMO the PRC is the best spring,dollar for dollar.
Old 05-15-2005, 07:11 PM
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Originally Posted by Terry@RacetechSpeed
IMO the PRC is the best spring,dollar for dollar.
That is the exact reason that I bought the prc's for my stock heads when my crappy *** manleys broke before I started building the motor! I don't believe in the "oh it's more money so it must be better" thing. I always try and find the best product for the best price. Sometimes though you can't find an equal quality product for a cheaper price and you have to lay out the big money, but I try not too if I don't have too. Since the 921's are in there though, i'm gonna leave them so I don't have to go swappin **** so long as they're as good (don't have to be better, but at least as good) as the prc's! If they are better though, than that is definately a plus that they're already in there!
Old 05-15-2005, 10:56 PM
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Originally Posted by Terry@RacetechSpeed
The comp 921 is a good spring.Just because it cost more doesn't mean its superior to the PRC spring.IMO the PRC is the best spring,dollar for dollar.
We aren't saying that the 921's are better b/c they are more expensive......the PRC's may very well be better dollar for dollar, while the 921's may simply be better. I myself cna't afford the "best of the best" on anything, I must settle for the "more affordable" parts that can still hold their own. That's why I have PRC's.
Old 05-16-2005, 05:34 PM
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Talked to Berry today and he said the Cranes don't have good pressure, 918's have more.

He said the only drawback with the 921's is travel, he said they coil bind quicker than most others then there is still the issue of bad harmonics.

The beehive design is the best.

But I know you have to have the duals.

The 921's will work for you.

Now get that bitch runnin you slacker. lol




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