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Nigel Mulvey
05-07-2002, 01:25 PM
I am just about to do the flate top/SU swap. Does anyone have any last minute advice?
2ManyZs
05-07-2002, 02:38 PM
Maker sure you have all the correct throttle linkage pieces for the round tops, other than that enjoy the improvement.
g260
05-09-2002, 01:48 AM
Nigel,

I just did a swap last week with my 260, but instead of the normal HS6 SU's I had the later model HIF6 SU's, which had been fitted to a 240Z I had bought.

I fitted the thicker phenolic spacers which came with the SU's and the other part I used was the shorter accelorator arm that goes between the linkage and the rod that joins the two carbs. The one on the Hitachis was a bit longer.

Apart from those bits everything went well (apart from an aching back from bending over the car for hours) and I can't believe the difference. It's like a new car. Good luck.

Geoff
Ed
05-09-2002, 07:31 PM
Make sure you have everything ready. Intake manifold, Exhaust(headers), linkages, air filter, hoses etc..I ran into problems because I got lazy and didn't replace the freeze plugs underneath the Intake manifolds. Of course they leaked. My round tops spent about a year in my bedroom before I put them on. I had them polished and made sure all my ducks were in a row. I guess it all depends on whether or not you plan on driving it the next day or if you want to wait for parts.

Enjoy!:)
g260
05-13-2002, 02:50 AM
Nigel,


How did you go with the carb conversion? Did everything work out ok? Notice any difference?
Nigel Mulvey
05-13-2002, 01:10 PM
I ran out of time at the weekend. I had a mishap when the water hose to the heater split inside the car pumping litre upon litre into the drivers footwell. By the time I had cleaned the mess up and by-passed the heater to prevent further damage I ran out of time. So I'll try again this weekend.

Where abouts in Sydney are you Geoff? I'm in Mount Annan nr Camden. Are you in the Sydney Z Car Owners Club?
g260
05-14-2002, 03:13 AM
Nigel,

I am in the Sutherland Shire. I joined the Sydney ZCC last month and will be going to the meeting tomorrow night. Are you a member?

Geoff
Nigel Mulvey
05-18-2002, 11:38 PM
Finally got the SU conversion done and the improvement is impressive although with a loose/leaky muffler it's difficult to fine tune things just now.

Geoff, no I don't belong to the SZCC although it is something I've been planning to do for some time.