Hi-strength connecting rod bolts
07-06-2005, 10:15 PM
#1
Hi-strength connecting rod bolts
So nissan is giving me a new longblock under warranty due to oil consumption problems. While they have the engine out, would it be a good idea to have them install some nismo connecting rod bolts, considering i will soon be installing the hks sc kit, or would it be overkill and not needed?
07-06-2005, 10:18 PM
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Unless the Nissan tech can properly usethe correct tool if he has one to precisionly torque the rod bolts like what machine shop do.
Usually they only do R and R, Remove and replace....
Steve - Evolution
Usually they only do R and R, Remove and replace....
Steve - Evolution
07-07-2005, 08:36 AM
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plus, your new engine will not be showing up as a box of parts...it will be completely assembled, so they probably wouldn't want to disassemble the bottom end to get the bolts in. at least for free.
it is a good idea, however, so you could certainly run it by them to see what they think.
although, all of the rod failures have been snapped or bent rods, and not bolt failures.
Chad
it is a good idea, however, so you could certainly run it by them to see what they think.
although, all of the rod failures have been snapped or bent rods, and not bolt failures.
Chad
07-07-2005, 08:46 AM
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have them give you the new block (out of the car) 
...have them honor the labor a few weeks later, after you get some arias super duty pistons and pauter rods and a .02 overbore...hahaha...only in a perfect world
well, it was worth a try
BTW, are they keeping your old block? what damage was done? crank journals scrathced up? cylinders ok?
can you get the old block/buy it from them?
...have them honor the labor a few weeks later, after you get some arias super duty pistons and pauter rods and a .02 overbore...hahaha...only in a perfect worldwell, it was worth a try
BTW, are they keeping your old block? what damage was done? crank journals scrathced up? cylinders ok?
can you get the old block/buy it from them?
07-07-2005, 11:34 AM
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Originally Posted by 350zDCalb
BTW, are they keeping your old block? what damage was done? crank journals scrathced up? cylinders ok?
can you get the old block/buy it from them?
07-07-2005, 11:54 AM
#7
thanx for your input guys.
good point, chad, about the rods vs the bolts.
dcalb, so far they have done two oil consumption tests which have my z burning 1.7qt/1k mi. the 2 wet-down and pcv tests were negative. i'll keep you all posted, but so far the mechanic doesn't know the cause of the problem.
g356, i think you're right about nissan wanting to examine the old block. my z has a build date of 11/02, and its not the only early model with this problem, from what i've read.
good point, chad, about the rods vs the bolts.
dcalb, so far they have done two oil consumption tests which have my z burning 1.7qt/1k mi. the 2 wet-down and pcv tests were negative. i'll keep you all posted, but so far the mechanic doesn't know the cause of the problem.
g356, i think you're right about nissan wanting to examine the old block. my z has a build date of 11/02, and its not the only early model with this problem, from what i've read.
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07-07-2005, 12:02 PM
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Originally Posted by g356gear
Usually the dealers have to send any faulty parts back to the factory for R&D purposes. The factory needs to know where to improve the cars and where the issues are that are going to cost them $$$.
i thought we were the silent researchers (we should be getting paid by nissan
) for all of the R&D we've done on F/I and the VQ35...just think, when nissan decides to make a F/I VQ from the factory, they'll tuen to what all of us are doing...and go from there
07-08-2005, 09:08 PM
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Originally Posted by 350zDCalb
just think, when nissan decides to make a F/I VQ from the factory, they'll tuen to what all of us are doing...and go from there
07-09-2005, 09:25 AM
#10
I agree...not really worth the risk of improper installation of the new rod bolts.
Rod bolt failure hasnt been a big issue yet. The rods that let go were snapped, mangled and twisted, but the rod bolts were never suspected in the failure.
Rod bolt failure hasnt been a big issue yet. The rods that let go were snapped, mangled and twisted, but the rod bolts were never suspected in the failure.
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