Porsche remanufactured short blocks
02-12-2018, 02:20 PM
#31
Rennlist Member
So for clarity.
It is not a new short block for $6500, it is remanufactured .
So I wonder if warranty is same for remanufactured as it is new?
Either way, I don't think I would have spent the money for LN Single Pro on my 60,000 mile 3.6, that showed no signs of IMS or RMS issues. If I knew this was an option, instead of all information claiming $24k
After tear down, the IMS was perfect.
I
It is not a new short block for $6500, it is remanufactured .
So I wonder if warranty is same for remanufactured as it is new?
Either way, I don't think I would have spent the money for LN Single Pro on my 60,000 mile 3.6, that showed no signs of IMS or RMS issues. If I knew this was an option, instead of all information claiming $24k
After tear down, the IMS was perfect.
I
02-12-2018, 03:20 PM
#32
02-12-2018, 03:44 PM
#34
presume porsche only remans when block is within certain tolerances. re bore scoring vs ims, i think depends on the year; bore scoring only showed up in the 3.6 engines due to increased stroke putting greater lateral force on lokasil liners. also, remans all come w the larger 2005+ ims bearing which has a much lower failure rate (not sure if that was stated earlier in the thread).
Last edited by The Radium King; 02-12-2018 at 05:48 PM. Reason: changed my loka/alu-sils - they tend to confuse me ...
02-12-2018, 03:45 PM
#35
Burning Brakes
Good luck getting answers from AutoAtlanta. I contacted them this morning. First they told me the short engine included block and heads. I knew this could not be true. Then they told me the only stock was in Germany and couldn’t tell me the lead time,and they were special order. I asked about a core charge, again they didn’t know. I asked them to email me some answers, and to their credit, they did. Oh, by the way, the price is now $7896.35 with a $3000 core charge. No info about lead time.
Im quite sure they have no clue about how the cylinders are “remanufactured”, or any other parts for that matter. Also, no details of what constitutes an acceptable core.
Im quite sure they have no clue about how the cylinders are “remanufactured”, or any other parts for that matter. Also, no details of what constitutes an acceptable core.
02-12-2018, 04:51 PM
#36
presume porsche only remans when block is within certain tolerances. re bore scoring vs ims, i think depends on the year; bore scoring only showed up in the 3.6 engines due to increased stroke putting greater lateral force on alusil liners. also, remans all come w the larger 2005+ ims bearing which has a much lower failure rate (not sure if that was stated earlier in the thread).
02-12-2018, 05:22 PM
#37
Burning Brakes
Aftermarket solutions to a problem are very different than an approved OEM solution.
02-12-2018, 05:47 PM
#38
sure, all engines are at risk of all modes of failure; it's more an issue of probability. i've read of the relationship between cold start and scoring, but yet to see any definitive proof of the correlation. the best analysis i've seen is from hartech, which ties it to the stroke change (and lokasil). for what it's worth, i live north of edmonton and have been looking for a 996 with a failed engine for quite a while - no luck.
02-12-2018, 07:27 PM
#39
Porsche can't do aftermarket solutions, their cylinders are cast with the block and integral. Once the block is used there is no way to keep the block 'porsche' and replace liners and honing/boring is not trivial on these blocks. They already suffer ovalizing problems, boring would only make it worse.
Aftermarket solutions to a problem are very different than an approved OEM solution.
Aftermarket solutions to a problem are very different than an approved OEM solution.
given that Porsche is strategically placing “Porsche classic “ certified dealerships around the world that can handle everything from 356s to 991s it’s not surprising they have started offering reman short blocks for the 996
02-12-2018, 07:56 PM
#40
My question here might offend some folks, but I have been in this game long enough to know there are a lot of opinions and far fewer first hand experienced people. WHO here has bought a reman block from PCNA? Who has had LNEngineering or some other company do a block for them? These are the people I want to hear from.
02-12-2018, 09:25 PM
#41
Rennlist Member
presume porsche only remans when block is within certain tolerances. re bore scoring vs ims, i think depends on the year; bore scoring only showed up in the 3.6 engines due to increased stroke putting greater lateral force on lokasil liners. also, remans all come w the larger 2005+ ims bearing which has a much lower failure rate (not sure if that was stated earlier in the thread).
Who in thier right mind would install new pistons in cylinders that were not bored out or sleeved?
Am I off base for thinking they may use used pistons, if they are not concerned with bore wear, and just hone them?
More questions now, than before?
02-12-2018, 10:08 PM
#42
for anyone with bore scoring steel sleeves are half the price of nikasil.. and everyone and their mother uses them on every other platform..i agree aluminium with nikasil runs cooler.. but all high milage engines run steel for anywhere from 200 to 300k miles no problems..
02-12-2018, 10:53 PM
#43
Rennlist Member
I have built a couple of engines using the LN Nickies, and have installed quite a number of Factory reman engines.
I can say that I can't tell the Factory reman engine from a new engine on the outside, except for the serial number having a AT stamped into it. IE M96/01ATxxx......... It would not surprise if the engines were in fact "new" just sold under "remain" pricing to get the cores. Many OEM manufactures have used this technique to get supplies of cores to start their "reman" operation or when they have ran out of cores. I remember that during this time the "core charge" was more than the cost of the reman engine to ensure that they got the core back.
I can say that I can't tell the Factory reman engine from a new engine on the outside, except for the serial number having a AT stamped into it. IE M96/01ATxxx......... It would not surprise if the engines were in fact "new" just sold under "remain" pricing to get the cores. Many OEM manufactures have used this technique to get supplies of cores to start their "reman" operation or when they have ran out of cores. I remember that during this time the "core charge" was more than the cost of the reman engine to ensure that they got the core back.
02-12-2018, 11:22 PM
#44
Rennlist Member
Good luck getting answers from AutoAtlanta. I contacted them this morning. First they told me the short engine included block and heads. I knew this could not be true. Then they told me the only stock was in Germany and couldn’t tell me the lead time,and they were special order. I asked about a core charge, again they didn’t know. I asked them to email me some answers, and to their credit, they did. Oh, by the way, the price is now $7896.35 with a $3000 core charge. No info about lead time.
Im quite sure they have no clue about how the cylinders are “remanufactured”, or any other parts for that matter. Also, no details of what constitutes an acceptable core.
Im quite sure they have no clue about how the cylinders are “remanufactured”, or any other parts for that matter. Also, no details of what constitutes an acceptable core.
Also to my knowledge acceptable damage would be worn bearings/crank , worn pstons/cylinders, bent valves, worn gears,ect. Unacceptable damage would be rod thrown through block, busted due to wreck damage, dropped valve causing busted block, ect.
02-12-2018, 11:28 PM
#45
Rennlist Member
FYI, from the 2018 PCA Club Racing Rules - Appendix F - Approved Aftermarket Parts
"996 short blocks:
The 3.4 liter 996 may use the X51 short block, part number 996.100.951.TX. The 3.6 liter 996 may use the X51 short block, part number 996 .100.996.X"
"996 short blocks:
The 3.4 liter 996 may use the X51 short block, part number 996.100.951.TX. The 3.6 liter 996 may use the X51 short block, part number 996 .100.996.X"