L24E cylinder head

[280zx Fever]

Craig, any of those turbo's any good ? or where they stuffed ?

[Mr Camouflage]

I didn't check any of them.

He recons one of the engines was just rebuilt befor he got it, so that turbo may be alright. But they might not have enought puff for iff you are planning on a L28 conversion. then there's efi computer mods that would need to be done.

[Mr Camouflage]

Did the P90 only go on the L28 ET?

If so why are there any in Australia? or did some non turbo cars get P90's like the 280C or something?

Is there any real advantage using a P90 over and E88? in either NA or Turbo applications?

The later e88's had bigger valves than the 240z e88 heads didn't they. Are they the same size as the n42, p79 and p90 heads?

[JMT240KGTR]

Mr Camouflage,

Rather than search for a P90 head I'd go with the R30 version E88 head; the design is similar if not identical to the P90 in swirl and combustion chamber characterisitics but the E88 has a much smaller comb chamber than the P90; P90 cc's 53+, E88 39cc's (thats what I measured mine at anyway) and yes it does have the larger 42mm inlet valves, not the 44mm valves you'd find on N42/P90 etc.

The difference in valve size isn't noticeable on the street, but if you're a full on race car and need every cubic inch of air you can get into the engine, then get the 44mm valves to suit.

After fitting my ex R30 E88efi head last weekend I've upped the C/R to around 9.7:1, but I also shaved the head .030". The car is pretty quick and nimble now.

Cheers