e-shaft thermo-pellet install problems - there's nothing there!
so Im trying to install the thermo pellet plug in the eshaft on my 88 TII. It has a Bruce Turrentine/rotaryaviation rebuild with about 50k miles on it.
ive been having low oil pressure at idle when warmed up (zero at idle, ~45psi at 3k+rpm), so i figured it wouldnt hurt to install the plug and if it fixes my problem, then all the better so im looking at this guide: http://fc3spro.com/TECH/HOWTO/OTB/otb.html and i cant make sense of what im seeing where the e-shaft bolt went. There is no thermo pellet that I can see, but there is no plug either. I compared the bolt to what came out of a spare S5 n/a motor and the turbo bolt is shorter, smaller, and doesnt have a hollow end for the thermo pellet. Take a look: http://i34.photobucket.com/albums/d1...elletbolts.jpg heres what the eshaft looks like after taking out the bolt: http://i34.photobucket.com/albums/d1...mpellet001.jpg Does my TII not have a thermo pellet? Im so confused :confused: |
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Look down the eccentric shaft hole and see if it's a dead end or if htere's a oil feed hole there or not.
All series four and five had the oil bypass valve. See the attached jpg out of the Training Manual and also go to the parts fische and see for yourself. I wonder a bit if using a older model (first gen?) eccentric shaft would bugger up the balance????? Ask the guy who built the engine for you. Bruce T??????? https://www.mazdamotorsports.com/web...servlet/PubRX7 |
Originally Posted by HAILERS
(Post 6916101)
Look down the eccentric shaft hole and see if it's a dead end or if htere's a oil feed hole there or not.
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Maybe someone else can input on this eccentric shaft business?
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well from looking at the part numbers, all the FC's used the same e-shaft bolt (P/N N318-11-420A).
The strange thing is, i have an e-shaft bolt out of an S5 n/a and my TII e-shaft bolt is completely different.. its a lot smaller where the jspec engines different? |
The GSLSE shaft and bolt do not have the spring, thermal pellet, o-ring on the bolt, etc. They swap directly into the later engines with no issues and eliminate the need for the pellet replacement. I'd say that's what happened here.
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cool yah i was a lil worryed looking at this but yah i hat that bolt s5 n/a looking one i just put the racing beat bypass pellet dont kno which shft it is hope is doesnt starv the engine
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Originally Posted by gxl90rx7
(Post 6916063)
so Im trying to install the thermo pellet plug in the eshaft on my 88 TII. It has a Bruce Turrentine/rotaryaviation rebuild with about 50k miles on it.
ive been having low oil pressure at idle when warmed up (zero at idle, ~45psi at 3k+rpm), so i figured it wouldnt hurt to install the plug and if it fixes my problem, then all the better so im looking at this guide: FC3S Pro v2.0:  HOW-TO - Oil Thermo Bypass Pellet Shim Procedure and i cant make sense of what im seeing where the e-shaft bolt went. There is no thermo pellet that I can see, but there is no plug either. I compared the bolt to what came out of a spare S5 n/a motor and the turbo bolt is shorter, smaller, and doesnt have a hollow end for the thermo pellet. Take a look: http://i34.photobucket.com/albums/d1...elletbolts.jpg heres what the eshaft looks like after taking out the bolt: http://i34.photobucket.com/albums/d1...mpellet001.jpg Does my TII not have a thermo pellet? Im so confused :confused: Has your oil pressure stayed consistent since the pellet mod? |
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