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needles for twin 1-1/2 SUs
https://www.ausmini.com/forums/viewtopic.php?f=2&t=21913		 Page 1 of 1
Author:  drmini in aust [ Sun Aug 27, 2006 5:06 pm ]
Post subject:  needles for twin 1-1/2 SUs
Can't reply to the other thread on this Q, it locks me out.... :evil:

Try either CP4 needles, or #6. We're using the 6s on my wife's car now, which is very similar specs-
1293cc, twin HS4s, Tighe 104 cam, Corolla rockers, rimflow valves, Perry 3-1 freeflow exhaust, Lukey muffler. C/R is about 9.4:1.
Air filters are Ramflos, with UniFilter oiled foam pads.

A/F ratio is spot on all the way up. :wink:

<edit> it was too rich just coming off idle, so we put ATF in the dampers and it's OK.
Author:  ronniemac [ Sun Aug 27, 2006 5:45 pm ]
Post subject: 
Thanks,
I will give that a go and see how it goes when i get it dynoed.
Any ideas on the dash pot springs?
Author:  drmini in aust [ Sun Aug 27, 2006 6:34 pm ]
Post subject: 
I'm running what was in there, they are blue or red, I can't tell which... colour has gone.... :wink:
Author:  9YaTaH [ Sun Aug 27, 2006 6:38 pm ]
Post subject:  Twins
What jap car had twin SUs...Datto SSS :?: ..... signed Mental Block :)
Author:  drmini in aust [ Sun Aug 27, 2006 6:55 pm ]
Post subject:  Re: Twins
9YaTaH wrote:
What jap car had twin SUs...Datto SSS :?: ..... signed Mental Block :)

I think so but they were Hitachi SUs.. not identical to the real deal.
Author:  9YaTaH [ Sun Aug 27, 2006 7:06 pm ]
Post subject:  Re: Twins
[quote="drmini in aust"][quote="9YaTaH"]What jap car had twin SUs...Datto SSS :?: ..... signed Mental Block :)[/quote]
I think so but they were Hitachi SUs.. not identical to the real deal.[/quote]

Yeahbut....Ronnimac....are you saying you got twin SUs off a jap car or they were twin SUs fitted to a Jap car as standard equipment :?: :D
Author:  ronniemac [ Sun Aug 27, 2006 11:26 pm ]
Post subject: 
They were from a 260Z and are ISO brand.
They look very similar except they have four bolts to hold the Dash Pot down and four bolts on the top of the float bowl.
I have had to modify them by fitting 3 screw dash pots from a genuine SU as original ones were pitted on the piston and shaft. I did this by using one of the existing threads and tapping 2 new ones. Also the float bowls have rubber mounts around the shaft that holds them onto the carby to stop some of the shock from traveling into the bowl.
Author:  9YaTaH [ Sun Aug 27, 2006 11:38 pm ]
Post subject:  Thanks..
[quote="ronniemac"]They were from a 260Z and are ISO brand.
They look very similar except they have four bolts to hold the Dash Pot down and four bolts on the top of the float bowl.
I have had to modify them by fitting 3 screw dash pots from a genuine SU as original ones were pitted on the piston and shaft. I did this by using one of the existing threads and tapping 2 new ones. Also the float bowls have rubber mounts around the shaft that holds them onto the carby to stop some of the shock from traveling into the bowl.[/quote]

Sometimes.....Ya learn something everyday.....thanks 8)
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