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jcsvwparts.com - JCS custom built engines?
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bugnut68
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Joined: June 10, 2003
Posts: 4183
Location: Eugene, OR
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PostPosted: Tue Sep 24, 2013 2:37 pm    Post subject: Reply with quote

jays58s wrote:
I have a customers car here with a JSC engine that seized after ONLY 2000 miles! The shop that installed it wouldn't back her up and neither would JSC. They said it was a faulty oil line, really? lol I found a LOT of problems with this engine. Whatever crap they used to seal the engine was all over and blocking oil passages, 3 of the 4 rods were seized to the crank cause they put a cam, big valve heads, and dual carbs but no oil sump, wtf? Apparently they have no idea and the added HP and rpm's that the engine would have would actually create an issue with an engine that only has 3 qts of oil stock. The copper seal sealant they used on everything else was all over the inside of the engine as well and OVERLY used as well. I personally would NOT recommend these guys at all. It cost my customer $5000 total the 1st time and now another $2000 to me for rebuilding it and fixing other issues that were overlooked.


I would bet a dollar to doughnuts that the seizure was something other than "no sump." A deep sump isn't necessary if you're not going to wring the shit out the engine RPM-wise or try to slide the car around corners like an SCCA racer.
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jays58s
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Joined: August 23, 2004
Posts: 1771
Location: Nor-Cal
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PostPosted: Tue Sep 24, 2013 2:40 pm    Post subject: Reply with quote

bugnut68 wrote:
jays58s wrote:
I have a customers car here with a JSC engine that seized after ONLY 2000 miles! The shop that installed it wouldn't back her up and neither would JSC. They said it was a faulty oil line, really? lol I found a LOT of problems with this engine. Whatever crap they used to seal the engine was all over and blocking oil passages, 3 of the 4 rods were seized to the crank cause they put a cam, big valve heads, and dual carbs but no oil sump, wtf? Apparently they have no idea and the added HP and rpm's that the engine would have would actually create an issue with an engine that only has 3 qts of oil stock. The copper seal sealant they used on everything else was all over the inside of the engine as well and OVERLY used as well. I personally would NOT recommend these guys at all. It cost my customer $5000 total the 1st time and now another $2000 to me for rebuilding it and fixing other issues that were overlooked.


I would bet a dollar to doughnuts that the seizure was something other than "no sump." A deep sump isn't necessary if you're not going to wring the shit out the engine RPM-wise or try to slide the car around corners like an SCCA racer.


I'm not saying it was just the sump, it was a combination of things. The owner is a chick and doesn't hot rod it at all, she babies it.
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bugnut68
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Location: Eugene, OR
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PostPosted: Tue Sep 24, 2013 4:01 pm    Post subject: Reply with quote

jays58s wrote:
bugnut68 wrote:
jays58s wrote:
I have a customers car here with a JSC engine that seized after ONLY 2000 miles! The shop that installed it wouldn't back her up and neither would JSC. They said it was a faulty oil line, really? lol I found a LOT of problems with this engine. Whatever crap they used to seal the engine was all over and blocking oil passages, 3 of the 4 rods were seized to the crank cause they put a cam, big valve heads, and dual carbs but no oil sump, wtf? Apparently they have no idea and the added HP and rpm's that the engine would have would actually create an issue with an engine that only has 3 qts of oil stock. The copper seal sealant they used on everything else was all over the inside of the engine as well and OVERLY used as well. I personally would NOT recommend these guys at all. It cost my customer $5000 total the 1st time and now another $2000 to me for rebuilding it and fixing other issues that were overlooked.


I would bet a dollar to doughnuts that the seizure was something other than "no sump." A deep sump isn't necessary if you're not going to wring the shit out the engine RPM-wise or try to slide the car around corners like an SCCA racer.


I'm not saying it was just the sump, it was a combination of things. The owner is a chick and doesn't hot rod it at all, she babies it.


Gotcha... I'd also bet the excess goop played a factor. Lol. I tore apart a 1600 not too long ago that had a veritable second oil pump's worth of orange RTV between the pump body and the outside of the case. So disconcerting.
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jays58s
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Location: Nor-Cal
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PostPosted: Tue Sep 24, 2013 4:11 pm    Post subject: Reply with quote

bugnut68 wrote:
jays58s wrote:
bugnut68 wrote:
jays58s wrote:
I have a customers car here with a JSC engine that seized after ONLY 2000 miles! The shop that installed it wouldn't back her up and neither would JSC. They said it was a faulty oil line, really? lol I found a LOT of problems with this engine. Whatever crap they used to seal the engine was all over and blocking oil passages, 3 of the 4 rods were seized to the crank cause they put a cam, big valve heads, and dual carbs but no oil sump, wtf? Apparently they have no idea and the added HP and rpm's that the engine would have would actually create an issue with an engine that only has 3 qts of oil stock. The copper seal sealant they used on everything else was all over the inside of the engine as well and OVERLY used as well. I personally would NOT recommend these guys at all. It cost my customer $5000 total the 1st time and now another $2000 to me for rebuilding it and fixing other issues that were overlooked.


I would bet a dollar to doughnuts that the seizure was something other than "no sump." A deep sump isn't necessary if you're not going to wring the shit out the engine RPM-wise or try to slide the car around corners like an SCCA racer.


I'm not saying it was just the sump, it was a combination of things. The owner is a chick and doesn't hot rod it at all, she babies it.


Gotcha... I'd also bet the excess goop played a factor. Lol. I tore apart a 1600 not too long ago that had a veritable second oil pump's worth of orange RTV between the pump body and the outside of the case. So disconcerting.


Yeah, you see that a lot. I've always used the permatex 518 anaerobic gasket sealer and it works pretty good and doesn't harden on the inside like most, only on the mating surfaces. Building an engine really isn't that hard, you just have to take your time and double check everything.
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Sicvic5
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PostPosted: Tue Aug 11, 2015 9:25 pm    Post subject: JCS Reply with quote

Anytime you want to find out if a if a company is bad , just type their name and "complaints" with the quotation marks in the search bar. viola!!!
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robshe
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PostPosted: Thu Jul 12, 2018 8:15 am    Post subject: Re: jcsvwparts.com - JCS custom built engines? Reply with quote

Unfortunately, I have had several problems with an engine bought from them. I bought a turn ey 2.0 motor from them. I installed it and connected the ground on the battery and it caught fire. Apparently they forgot to put and insulator on a wire connected to the alternator. I contacted them and they sent me the replacement parts. The engine was supposed to come with electronic ignition but did not, so they sent me that as well. Since then, I have attempted to get crank the engine but it will not crank, just keep backfiring through the carbs. I have sent it to a mechanic who has been trying to get it to run for the past 3 weeks. It will not run more than 30 seconds. They have told me the timing was way off and the valves were overtighten to start. This engine was supposed to be dyno tuned. Apparently not. Jeff is a difficult person to get in touch with. I finally got in touch with Jorge for my mechanic to call concerning the engine. I will never deal with them again. As far as the engine- who knows the next step.
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