Careful to not touch the valve seats. Oh well — it only took another half hour under the vehicle to fix this. Make your own with stuff from Princess Auto. After removing head noticed coolant in the number 2 head bolt hole — not good. Ensure that your machine shop gets it smooth. So — I took the head back to do a little porting and polish.
Top end rebuilt in 2009, and has very low miles since the rebuild. Opening up the exhaust ports on the head removes the reversion dam and will cause you to lose torque because the manifold will no longer scavenge the head. O well, lesson learned — remove everything from the block and be sure you have all the bearings before reassembly. The turbo compression can be set as low as 8. Do not remove the wastegate actuator, we need to test it to make sure it operates correctly.
My wife has been driving the car lately and tells me it has been using water at a gallon a week for the past few months. If you doubt me, search. Buy new and used engines, gearboxes, engine parts in South Africa, Gauteng, Pretoria. Placed the rings on the pistons after checking ring end gap in cylinder bores. In production - they are all ignored. This engine lift is a rally great tool you only get to use a few time in your life but it really works. Assembled pistons into ring compressor and pushed into cylinder from below block was inverted on engine stand.
So I go out to look under the hood and old coolant is everywhere. I use to have a mint 87 that iirc came with a gray knob and gray boot. You will have a lot of time and money in this - dont let it go to waste. It really isnt that hard as long as you keep it simple and just gasket match the manifold to the head, smooth out the casting flash and the valve seat ridges. Next it was time to pop the pistons.
If you're sticking with the 7M and want more than 300rwhp you will need to upgrade the turbo. A good machine shop will paint the block exterior, and ensure that all of the oil and coolant passages are clean upon the delivery of the block. I will have the shop check out the block but looks like all it need is some cleaning an a hone to be good as new. Since I bought the car I have learned a thing or two about engines. We sell all needs from intercoolers to turbos to exhaust.
If it isnt, your head will be held up by it and not seal correctly against the block surface. So I had to finish removing the air intake manifolds to get to the top of the starter. The throttle body took 2 days to soak off the layer of tar. Bagged each one in numbered bags. Schneider racing cams does a good job at regrinds. You need to consider all parameters when selecting a head gasket. All internal engine parts including: pistons, piston rings, piston pins,.
To send us your turbo for a rebuild: Please buy this item on our website, and put a copy of the invoice in the box with your turbo. The first block I had done still had pits in it. Inserted the oil pump drive shaft and pressed in the pump. The cylinders had no ridges so they came out really easy. All the pistons tapped in very easy.
This gives me better access from the start. Clearances that are too large will lead to a significantly lower oil pressure at idle and take out your bearings. This is a classic car that is a blast to drive. This will fill in the irregularities from a standard machining. I have garage to work in and some fiends with lifters and tools so I can take my time. I know it's refreshing not to see that Photo Bucket hosting error as Imgur just got a new member lol. Get an online compression calculator that considers engine bore, stroke, piston deck height, piston dish volume, head volume, head gasket thickness, head gasket bore.