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I mean if we’re being honest there are several possible reasons we don’t hear much about it. 1st and foremost being the lack of cars in that power range. I
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#1 (permalink) |
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I mean if we’re being honest there are several possible reasons we don’t hear much about it. 1st and foremost being the lack of cars in that power range. I would wager someone a good $1000 that there is, absolutely, no more than 20-25 800+whp z34/g37 VQ37 powered cars in the entirety of the world currently. The people who are there most of them likely tight lipped or shop builds(which often times leaves owners out of the loop if they aren’t familiar with engine building/failures). Two(which happened to be my case) no one wants to build this engine 10 times over, failure after failure, scratching your head wondering where the hell youre going wrong; when you’re doing everything the way it should be. Most people driven that far would probably just give up anyway. Another reason being the shops that are aware of this don’t want to share the secret. If you’re always giving away what you know then it becomes increasingly hard to stay one step ahead. Sounds selfish, but it’s business. I happen to have learned the hard way whilst staying dedicated. I would just hate to see someone else wind up on the same path, when for a small fee of $1500(which was about the average cost of each of the 7 or 8 initial times I rebuilt the motor), you can have an insurance that 110% prevents you from this. My high compression 930whp RJM closed deck engine was running like a champ when it let go, and there’s not a doubt in my mind at all that it would still be going strong had I not suffered severe con rod failures that led to a total loss of the engine.
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A True Z Fanatic
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Thanks for the heads up. I would be aggravated to say the least. |
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Way. Way. Down there (if you know what I mean). Until I no longer have the desire to do so... I will ALWAYS push this platform. Further, bigger, badder.
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When I was running my '78 Trans Am. I went through 4 Pontiac 400 motors. I was trying to increase the power level each time, but only to find the next weak point. Not too many people at the time was sharing or willing to share info on how to keep the motor together. So after 4 motors. I switched to big block chevy. Problems solved.
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![]() 浪人 - 殺し屋 "The Difficult Anytime, The Impossible By Appointment Only" http://www.the370z.com/members-370z-...o-journal.html Last edited by Rusty; 03-14-2018 at 01:53 PM. |
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#7 (permalink) |
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One more question. Did you heat cycle the engine and tear it back apart to re-torque the head studs? That is the most important thing in the diesel world to keep a head gasket sealed up tight when using ARP studs. Many folks had failures if they left off this step. The ARP 425 could take 3 heat cycles before they wouldn't move any more. That is why ARP came out with 625's, they only need one heat cycle and re-torque.
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This guy came up with a unique way of heat cycling a 2JZ. You would have to do something similar with our engines or it would be a complete pain in the butt.
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Sorry to hear... What rod brand?
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