I’m seeking an RSP cylinder head from a K20 Z4. I believe the part number is 12100-RSP-000.
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As I said in the other of your posts. Regardless what they claim it has to be for the Rotrex setup kit, I assume a side coolant neck of the K20Z3 works out too. No real need for an RSP head to ship to oversea.
I've edited your WTB price offer. Please don't post any non-realistic price suggestion or ranges. Honda's RSP heads are overpriced here in Europe, but a 1 Mio USD seems to be a bit too much
.Yes, First TTS performance told me that their Rotrex shaft drive kit only requires the cylinder head of the FN2, that ONLY that cylinder head would work.
Then Robert with TTS performance wrote me this:
“On the FN2 head there is a water block casting bolted to the end. We remove that and fit out part. If you get a head with that water block you have the right one.”
I understand that you are telling me that you have both cylinder heads, and that the water block casting on both cylinder heads is identical.
If is is not too much trouble, would you be willing to take a picture of the two cylinder head ends?
However, You’ve have already been very helpful to me, and I don’t want to inconvenience you in anyway.
Then Robert with TTS performance wrote me this:
“On the FN2 head there is a water block casting bolted to the end. We remove that and fit out part. If you get a head with that water block you have the right one.”
I understand that you are telling me that you have both cylinder heads, and that the water block casting on both cylinder heads is identical.
If is is not too much trouble, would you be willing to take a picture of the two cylinder head ends?
However, You’ve have already been very helpful to me, and I don’t want to inconvenience you in anyway.
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The water in- and outlet's of both heads, Z3 and Z4 are the same. You have to use the Z-type head gasket and the Z-type upper coolant neck. There is no requirement above that making the TTS kit only fitting on the Z4 head, which can't be done on the Z3 head too. I am really curious what Robert from TTS having in mind when talking about a water block casting. The only casting bolted on the coolant circuit is the upper coolant neck housing, closing the the head coolant circuit. I assume the clearance for the Air-Water-cooler need demands a different housing design of that part. A picture would help
. On Saturday I am back in the workshop to take a picture of the situation.I’m excited to hear about your cylinder head inspection!The water in- and outlet's of both heads, Z3 and Z4 are the same. You have to use the Z-type head gasket and the Z-type upper coolant neck. There is no requirement above that making the TTS kit only fitting on the Z4 head, which can't be done on the Z3 head too. I am really curious what Robert from TTS having in mind when talking about a water block casting. The only casting bolted on the coolant circuit is the upper coolant neck housing, closing the the head coolant circuit. I assume the clearance for the Air-Water-cooler need demands a different housing design of that part. A picture would help
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I am sorry, I had to skip todays workaround as my daughter smoked our kitchen yesterday a bit too much with a carbonized Wrap with Cheese. I will be at the workshop hopefully next week on workday, probably on Thursday. A picture from the Z4 head you see already in my bet-thread here: You want to win up to $50? The 86.5x86 rebuild question! | Page 52 | Honda / Acura K20a K24a Engine Forum.
No problem. Life happens. I hope the kitchen returns to normal without a full remodel. 😁
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The smell is still awful but all affected parts are repaired, cleaned and we set up a lot of tea light's to combust the smell which still sticks to the furniture and all other surfaces.
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