E21 Project Thread - Part 2
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This is the first turbo with two actuator ports that I have dealt with. From my understanding it is so the turbo can be run with or without a boost controller. If no boost controller is used, the lower port gets connected to the compressor housing port and the upper port vents to atmosphere. If a boost controller is being used, the compressor housing port gets routed to the controller. Then from the controller it would get tee'd out to both ports on the actuator.
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This is the first turbo with two actuator ports that I have dealt with. From my understanding it is so the turbo can be run with or without a boost controller. If no boost controller is used, the lower port gets connected to the compressor housing port and the upper port vents to atmosphere. If a boost controller is being used, the compressor housing port gets routed to the controller. Then from the controller it would get tee'd out to both ports on the actuator.
Wouldn't that cause it to do nothing? Maybe I am misunderstanding what is inside of it. I was thinking a diaphragm and one port is on each side of it. Just trying to understand. Someday I might like a snail.
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Replaced the rear main seal on the new block last night. Now I can get it on the engine stand and start replacing the front seals and o-ringing the block once the rental tool gets here.
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Just finished cutting the o-ring grooves in the block with the isky groove-o-matic rental tool.
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Pretty bird! Pretty bird!
Is it gold or cast iron? The world may never know.
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Ordered some misc parts and everything to refresh the shifter. Installed the last of the head seals/gaskets. Also installed the oil baffle plate and started drilling the hole in the pan for turbo oil drain fitting.
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Too late. Already drilled the hole in pan and secured the thru-wall sealing fitting.
Got the wire in the o-ring grooves, which turned out to be pretty tedious getting the wire ends filed down and touching.
Installed the first oil pan gasket with crank scraper as well as oil pump.
Finished up with the second gasket and the pan. What a huge PITA to install the pan bolts with two gaskets, crank scraper and pan to line up!
Time to take the triumph out for its first ride of the season before the Wisconsin game!
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Got the ARP head studs installed in the block with head gasket placed.
Torqued the cam sprocket, set head and block to TDC and installed head on block. Torqued to spec.
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Didnt get as much done last night as I wanted to, but I did get the water pump and timing belt on and tensioned. I also ordered a few more parts and pieces that will hopefully be here by the weekend.
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Didn't opt for the gates Kevlar racing belt?
Nah. Thought about it, but OEM is good enough for me.
Tonight I got the valves adjusted, intake manifold installed, valve cover installed and got the exhaust manifold fitted
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