JustJeff

iTrader: (13)

I have semi-success. The engine (JDM S5 13B) turned over with very little effort!!

The engine doesn't stall out and holds idle perfectly. I can take my foot off the gas and idle is even and low. I stopped and started it several times and it never missed a start. I only let it run for short intervals before I shut it down to check coolant levels, oil, signs of leaks, etc. After a few starts I did raise the RPMs up to 2k and held it there for a little bit.

I primmed the oil pump pouring oil in the in and out holes under the filter. Oil pressure was where it should have been.

HOWEVER....
there is substantial smoke coming from behind the turbo. It's coming from between the turbo and LIM. It doesn't smell like coolant or oil and I'm not leaking any fluids. But it also doesn't start smoking right away. I'm hoping it's just something burning off. I do have a turbo blanket on there. Do those burn off when they are first used?

The exhaust does sound like it has a leak..obviously I'm hoping it's not one of the gaskets between either the manifold or turbo. I did have trouble tightening the top downpipe bolt that sits closest to the engine.

I did buy the turbo used as a replacement...hopefully I didn't get a junk turbo.

I'm also concerned about the cooling system. I don't have any leaks. I'm not loosing any coolant. And that is part of my concern. I'd think air should be working it's way out of the engine. I did a pretty good job of filling it...but there has got to be air that needs to come out....and the level never dropped.

The return hose from engine to radiator got amazingly hot. The OEM temp gauge never got above halfway, but the hose, top of the radiator and even the water pump pulley got very hot. The top of the radiator got too hot to touch and I shut the engine down. Another concern is that my electric fan never kicked on. Those two things combined and I decided to let the engine cool down before something very bad happened.

I checked the inlet hose at the bottom of the radiator and it was hardly warm at all. My concern is whether the coolant is traveling through the engine at all.

Another concern is that I never saw any oil traveling through the OMP/MOP lines. I have clear hoses and I didn't think to check them until I had turned the engine off for the night. There was no sign of oil in them.

Oh and all of my aftermarket gauges were not reading correctly. The boost gauge is pegged at max and never moves. It's been pointing the same since I took it out of storage.

The water temp gauge never seemed to move, nor did the oil temp. The oil pressure is a warning gauge and I haven't set it correctly yet. So all it does is beep at me.

All the gauges are electronic ones and I'll check grounds and such tomorrow after work.

Can't call it a success yet, but I've got some encouraging signs anyway.

J5sense

iTrader: (3)

omp lines only shoot oil under near full throttle. it takes a few times for the lines to priime too.

you are going to have a lot of **** burning off the first few times. exsp. with a heat wrap. thats normal

exhaust leaks... welcome to the club

on my first start the coolant had a lot of air in it. it has to get hot enough to open the thermostat to get all the air out. what helped greatly was a big coolant fill funnel thats made for bleeding coolant. every rx-7 owner should have one since our systems are a bitch to bleed.

it installs on top of the radiator cap hole and you fill it with coolant and let the car run since it sits higher than the rest of the coolant lines it bleeds the air all out. no more bubbles no more air.

you should have about the same temp on top rad hose and bottom. seems like you have a air pocket or did not let the car run long enough to open the thermostat. the top hose gets hot first then when the thermostat opens the bottom hose gets hot.

JustJeff

iTrader: (13)

Yeah, I was expecting to have an exhaust leak here or there.

The coolant and temp I am concerned about. The engine was definitely hot enough for the thermostat to open. But I never got any air out of the engine. The electric fan never kicked on. It's a two speed Ford with the high speed not wired in. I took the high speed wire and connected it directly to the battery and got nothing. Even with the fan never running and the car sitting in the garage there was a huge difference in temps between the top and bottom hose. More so than I've felt in the past.

I may look into the coolant bleed after work tonight.

jdonnell

iTrader: (1)

I have been curious myself for sometime regarding the OMP lines. J5sense, so they only pump oil in under heavy loads and not under normal use like idle?

J5sense

iTrader: (3)

Its metered. on my s-4 it has a rod connected to the throttle linkage as you give it gas it moces the rod dumping more oil into the rotor housing. The fsm says it slowly starts at about 2000 rpm and is fulley open near the redline.

jdonnell

iTrader: (1)

I guess what I'm getting at is with a new rebuild how long can you go running the engine if it takes forever for the OMP to prime the lines? I know the engine is lubricated during assembly, but this burns off and theres no oil running up the lines until it primes.

Sorry to hi-jack your thread JustJeff!

JustJeff

iTrader: (13)

It's all good. I remember reading in the past about the MOP/OMP, it took J5sense to remind me.

J5sense

iTrader: (3)

i dont know how the s5 is setup but if it is like the s4 you can manually pull the rod all the way and it will pressurise the lines.