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Best Complete Rotating Assembly?

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Old Mar 1, 2011 | 04:12 PM
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Ok guys, my goal is to make 650+RWHP with the modifications down low. The Dragonslayer sounds like an awesome crank from what I have read on it..... Can you guys shave more weight off of it safely or is that a No-No? I'm asking because I like the tight rapping aspect of lighter weight components. I think either way I would like to go with that crank though since it is already lighter than what I have, so how about Rods and Pistons? Again I want super lightweight stuff, but very durable? (I want it to last so I don't mind paying for quality, so long as it isn't just over the top.) Assuming there is no damage to the sleeve when I pull this motor apart the pistons will be 4.065 bore, and if there is, I'll figure out something and take it 5 thousandths over to a 4.070. I hear good things about HK, Callies, Lunati, Eagle, etc, etc, etc, rods but which one is all around the best? (Oliver is sweet but too expensive for me )
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Old Mar 1, 2011 | 05:59 PM
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The regular Compstar H-Beams will last forever at 650 RWHP and are only 620g as are the Eagle H-Beams as well for a lil less.
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Old Mar 1, 2011 | 08:29 PM
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Thanks Erik. So far I'm happy. And now pistons with rings?
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Old Mar 2, 2011 | 08:32 AM
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^^^Weight can not be removed from the DragonSlayer.
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Old Mar 2, 2011 | 07:10 PM
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Cool, so Dragonslayer, Compstar H Beams, and what pistons would everyone recommend?
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Old Mar 3, 2011 | 07:27 AM
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[QUOTE=racer7088;14573495]Assuming 68cc:

K445X7 would give you ~ 10.25 to one compression at 15cc dish with a 4.000 crank.

K398X7 would give you ~ 10.6 to one compresion at 3cc with a stock stroke crank.


^^^^WISECO
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Old Mar 3, 2011 | 03:14 PM
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Why Wiseco and not CP, Diamond, or Ross? Slow01Z71 has a major problem with Wiseco for a damn good reason in fact..... So just curious.
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Old Mar 3, 2011 | 04:06 PM
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Originally Posted by IDRIVEAG8GT
Why Wiseco and not CP, Diamond, or Ross? Slow01Z71 has a major problem with Wiseco for a damn good reason in fact..... So just curious.
What are you talking about? Wiseco dwarfs the others in applications and is a 100% grade A piston. You would have to pay DOUBLE for a CP to get what a shelf stock Wiseco already has in construction and options.
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Old Mar 3, 2011 | 04:56 PM
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No offense to Weisco or anything, but a few years ago Brian Nutter at Weisco screwed 1Slow01Z71 out of a bunch of money for sorry piston design that failed in a turbocharged engine. This however was in an iron 6.0 block with a 4.1" stroke, but Brian never stood behind his mistake on which pistons he gave to 1Slow01Z71 to be put into the engine, so the story goes, which leaves me wary of Weisco's.....
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Old Mar 3, 2011 | 05:22 PM
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Dude you need to look, listen and be quiet. Do your own research with competent professionals like the ones that keep chiming in on your damn threads. Do you know this Z71 guy personally? were you there during the initial build? Were you there during reinstallation? Were you there during the tuning?

Probably NOT, sure he posted on here probably about his bad experience with that company but that's what these informational forums are for. Do the research, ask the questions, listen for your options, and quietly make your decisions. Just my .02 cents kid.
Take it with a grain of salt like everything else. Ohh and don't believe everything you here. I'm out and good luck with your build.
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Old Mar 3, 2011 | 05:24 PM
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Sorry if I came across rude, but Im not trying to be.
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Old Mar 3, 2011 | 05:33 PM
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Originally Posted by litle88
Dude you need to look, listen and be quiet. Do your own research with competent professionals like the ones that keep chiming in on your damn threads. Do you know this Z71 guy personally? were you there during the initial build? Were you there during reinstallation? Were you there during the tuning?

Probably NOT, sure he posted on here probably about his bad experience with that company but that's what these informational forums are for. Do the research, ask the questions, listen for your options, and quietly make your decisions. Just my .02 cents kid.
Take it with a grain of salt like everything else. Ohh and don't believe everything you here. I'm out and good luck with your build.
I'm looking and listening and asking questions. In fact I'm almost finished here plotting what I want to put in this motor. Besides that I am very happy at the 07 Silverado turning out the way it did. 1Slow01Z71 has lots and lots of experience with the LS engines, I personally don't have a problem with them but am wary for what he said.... He posted on my thread a while back about what happened so I wanted to bring it up here hoping that the pros that have so kindly shared their time enlightening me about parts, would say "these pistons are great, because of X reason." That's all Cheers yo.
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Old Mar 3, 2011 | 06:00 PM
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Yes we have built about 100 times the LSx engines that guy has for real and have never had any issues with Wiseco or Diamond. I know that case and I spoke to Richard about it and explained the problem with that particular deal. I was right and they fixed it after the fact anyway whether he used that engine or not but we have had TONS more problems with the other piston makers you mentioned as most had horrible pistons that also did not take into account the shorter cylinders of the LSx engines whereas Wiseco and Diamond actually did.
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Old Mar 3, 2011 | 06:06 PM
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Wisecos are 2618 and have thick decks and lands overall and also are inboard pin boss design to clear reluctor with no #8. They have contact reduction grooves and a 2nd land accumulator groove and have forced and even usually double forced pin oilers on most model numbers. They have over sized reliefs that accomodate virtually every LSx cylinder head style out there. They also have a nitrided steel top ring and napier second standard for duty with power adders or NA usage. Now Wiseco's also feature coated skirts as well.

You would generally pay a 1000.00+ for these same piston from the other suppliers.

Diamond has some great pistons too depending on applications and heads you are using but are pricier in general and don't have as much coverage.
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Old Mar 3, 2011 | 06:22 PM
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Thanks so much for your kind input and feedback Erik. That's exactly what I wanted to hear. So I guess Wiseco's it is with coated sidings. Now last thing is what kind of rings should I run? I hear Total Seal is good for boosted, but is there better that you recommend?
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Old Mar 3, 2011 | 06:30 PM
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Oh also I looked up and the cylinder heads I have are 63 CC combustion chambers. I need to learn the math on how to figure Compression Ratio.
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Old Mar 3, 2011 | 06:37 PM
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Originally Posted by IDRIVEAG8GT
Thanks so much for your kind input and feedback Erik. That's exactly what I wanted to hear. So I guess Wiseco's it is with coated sidings. Now last thing is what kind of rings should I run? I hear Total Seal is good for boosted, but is there better that you recommend?
The Wisecos come with 1.2, 1.2, 3mm rings that are suitable for big boost. The top ring is a barrel faced steel nitrided ring so it can take even very large blowers or turbos. They are made by NPR in Japan and are very nice rings.
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Old Mar 3, 2011 | 06:46 PM
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Will they require any special setting upon installation? And does anyone see a problem with studding the heads here?
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Old Mar 3, 2011 | 07:17 PM
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Yes you have to gap the rings per the application yourself and always check everything.
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Old Mar 3, 2011 | 08:35 PM
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Originally Posted by racer7088
Yes you have to gap the rings per the application yourself and always check everything.
Oh yeah man, I knew that, but I meant special cutting or anything in my certain application. I had a set of Total Seals for a SBC once require re-cutting. Dunno what the hell happened there.
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