2.1 engine, need advice..

A&Q about 350Z
Q:

I have spotted this 2.1L engine on ebay, does anyone know this company or have had any experience with them?
I emailed them and they can also build a 16V 2.1 engine, the price was under a grand.
I thought that a 16V 2.1 engine cost a couple of grand to build plus, read up on hotgolfs post, so how can they offer them so cheaply?
Can anyone comment on how they are building them? Using longer cranks etc..?
I was even looking at getting a TSR 2.1, but I am unsure now as I have a friend whose TSR 2.0 blew and searching on google last night seems he wasnt the first.
A:

All that work done to an 8v engine! surely they'd see better gains and thus have spent their time more wisely creating a 2.1 16v lump?
A:

anyone hade any experiance with the seller?
also if you needed to reduce the hight of the pistons for a 2042cc 8v engine do you have to make sure you keep the raised part at the front of the pistion or can you make it completely flat (just the outer ridge)?
A:

Kenn, that's what I wanted to know I hope someone replys.. I emailed him and he seemed very helpful and his "about me" ebay page says he has been in the business for over 18years. But someones real experience of his work is worth a lot more.
Hotgolf, do you build engines for others? I keep seeing your name being mentioned on a few threads regarding engine work.
Who do you guys advice to rebuild my RE2000 engine, don't want to spend a fortune but want reliability. I could get this guy "head fx" to build me a new one from scratch but I'd need to know he was good and people were happy with his work.
A:

If I was getting an engine rebuilt I would speak to Ivor Searle (engine remanufacturing company) even their "std" rebuilt engines are built to an excellent spec, they have a one-offs team who's workshop I got a tour off a few months back. They were the only people I trusted to rebuild my rather special Blydenstein Head for my other car.
A:

After spending all that money on the engine they stick a reconditioned oil pump on there?
A:

anyone hade any experiance with the seller?
also if you needed to reduce the hight of the pistons for a 2042cc 8v engine do you have to make sure you keep the raised part at the front of the pistion or can you make it completely flat (just the outer ridge)?
Fine machined flat (i.e, the raised section milled off). If thats all thats needed and the piston then runs flush with the top of the block or more has to be machined off to get it to do so, just remember the compression ratio will go up as well. The bowl in the piston mat then need to be opened up to drop the comp ratio down, but you then need to make sure the piston has enough meat in it to take that !
A:

After spending all that money on the engine they stick a reconditioned oil pump on there?
Exactly what I was thinking!
A:

Thanks for the link Dex, i found their web site, they look like a professional outfit.
A:

Fine machined flat (i.e, the raised section milled off). If thats all thats needed and the piston then runs flush with the top of the block or more has to be machined off to get it to do so, just remember the compression ratio will go up as well. The bowl in the piston mat then need to be opened up to drop the comp ratio down, but you then need to make sure the piston has enough meat in it to take that !
i think all you have to do is reduce the hight by 1.35mm but 1.35mm from which part (raied front part or the rest of the outer rim) i don't know.
A:

The best way to do it is to carry out a dummy build and see where the pistons come to. Measure how much the piston protrudes and have that amount removed from the top. You'll then need (or should) measure the cc in the piston and work out the compression ratio from there.
You can get away will a certain amount of the piston coming out the top of the block but you'll need to know the compressed thickness of the head gasket and again work out the compression ratio which will obviously be higher with the piston protruding. The correct amount will need to be machined out of the bowl in the piston (for an 8v) or the chamber in the head opened up (8 & 16v), or take the easy and lazy way out by just running the piston flush and hoping the c.r is ok !
Unless of course sombody has done the conversion and taken all the measurements before.
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