964 - Engine out upgrades.....

[1231]

My 964 is now sitting in JZ waiting for its engine rebuild.

Given that the engine will be out I'm considering slipping in some subtle "not a word to the Mrs" modifications.

1. Lightweight RS flywheel
2. Dyo'ing and chipping

What would be my other options? Should I swap the suspension? I've had new dampers and springs all round in the last two years - would something more track based be difficult to live with for the two times a year I track the old girl?

[Ian964]

C2 or C4? If it's a C2, you could consider fitting an LSD if you don't already have one, although if you only track it a couple of times a year it may not be worth it. Also, fit a new clutch as well as the flywheel. Heads can be flowed and and valve gear uprated. Other than that you're really looking at internal mods (cams etc.) and inlet (MAF - can be done engine in). I think a dyno/chip/live re-map should be done after the rebuilt engine has been run-in, rather than straight away, as you don't really want to red-line new bearings / rings.

Other routine things to check/replace whilst the engine is out are some of the oil lines, the tinware, gearbox seals.

Cheers
Ian

[tony.t]

If you're rebuilding the engine the it's worth considering uprating the valve springs etc to allow a higher rev limit - for safety as much as anything. Check on the condition of the cams as these can be changed to give a bit more power with a rechip. The MAF can be done with the engine in and I've been very happy with mine.
For town use the RS flywheel is a PITA IMO
Uprating the suspension using the ubiquitous Bilstein HDs and appropiate springs or the H+R coilovers improves the car on the road as well as track but RS or stiffer like H+R supercups are too much again IMO.