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SU carb needles under piston s
Posted: Fri Jan 08, 2021 11:36 pm
by Lorna c
hey all .
to the point how do you take these little hats off the end of the needles ? they pop off somehow easily ? I found mine finally today and never have started from new new new before here .. please and thanks much . 2021 whoOhO .
hey do you know why 2020 was sad ?
because 2021 .
haha 202won ! // twenty twentywon
haha I made that up .
Re: SU carb needles under piston s
Posted: Sat Jan 09, 2021 12:04 am
by Lorna c
wait I think I found the wrong ones . I think it was for the 240 carbs or something . ugh .
back to search for the new ones . these came with the car . sorry for the false alarm.
Re: SU carb needles under piston s
Posted: Mon Jan 11, 2021 12:59 pm
by todd lorber
I don't want to hijack your thread, but I just bought some RA needles from ZTherapy. I put them in on Saturday, and my car, which I've owned for appx 30 years, has never run better. No more fat idle, no more stumbling at 2,700 rpm. Idle is now really stable. Clean power all the way through 6,500 (I didn't take it higher because I'm still shaking the car down).
The profile of the new needles is thicker at idle than whatever I had in there (i.e. leaner mixture) and thinner at the balance of the "stations" i.e. richer. Also, the needles are almost 1/4 inch longer than the ones that were there. I have to heel/toe and double clutch a lot due to worn syncros, and the stability through the band makes this much easier now.
I just thought I'd pass this along since it is somewhat relevant to this thread.
Re: SU carb needles under piston s
Posted: Thu Jan 21, 2021 8:08 pm
by Lorna c
todd lorber wrote: Mon Jan 11, 2021 12:59 pm
I don't want to hijack your thread, but I just bought some RA needles from ZTherapy. I put them in on Saturday, and my car, which I've owned for appx 30 years, has never run better. No more fat idle, no more stumbling at 2,700 rpm. Idle is now really stable. Clean power all the way through 6,500 (I didn't take it higher because I'm still shaking the car down).
The profile of the new needles is thicker at idle than whatever I had in there (i.e. leaner mixture) and thinner at the balance of the "stations" i.e. richer. Also, the needles are almost 1/4 inch longer than the ones that were there. I have to heel/toe and double clutch a lot due to worn syncros, and the stability through the band makes this much easier now.
I just thought I'd pass this along since it is somewhat relevant to this thread.
sick , thanks ! I've not liked these yet. and my new ones I've lost . haha . sooo , I'll check these out . I'm game to try new . much appreciated.
Re: SU carb needles under piston s
Posted: Thu Jan 21, 2021 8:11 pm
by Lorna c
which ones ? and is yours a 1600 ?
Re: SU carb needles under piston s
Posted: Thu Jan 21, 2021 8:11 pm
by Lorna c
I don't seem to see any but a 240z and up
Re: SU carb needles under piston s
Posted: Thu Jan 21, 2021 10:56 pm
by RustBucket
Hey Lorna, I think Todd has a 2L so his needles will be different than what you need for a 1600. I run ADQ needles in my 1600 and they seem to work well. ADQ's seems well accepted on the site for the 1600. Mine also came with the little hat on them. I set the hat loose in a vice and gently tapped the needle out. Just be gentle and have something soft to catch the needle as it falls out.
Rustbucket
Re: SU carb needles under piston s
Posted: Fri Jan 22, 2021 1:18 pm
by todd lorber
You may need to call or email Bruce at Z therapy. I seem to recall not seeing the needles on their inventory page so I emailed him and he got back to me with his recommendation. My car is indeed a 2 litre.
Re: SU carb needles under piston s
Posted: Sun Jan 31, 2021 11:44 am
by Lorna c
RustBucket wrote: Thu Jan 21, 2021 10:56 pm
Hey Lorna, I think Todd has a 2L so his needles will be different than what you need for a 1600. I run ADQ needles in my 1600 and they seem to work well. ADQ's seems well accepted on the site for the 1600. Mine also came with the little hat on them. I set the hat loose in a vice and gently tapped the needle out. Just be gentle and have something soft to catch the needle as it falls out.
Rustbucket
THANK YOU FOR THE INFORMATION!!
Re: SU carb needles under piston s
Posted: Sun Jan 31, 2021 11:45 am
by Lorna c
todd lorber wrote: Fri Jan 22, 2021 1:18 pm
You may need to call or email Bruce at Z therapy. I seem to recall not seeing the needles on their inventory page so I emailed him and he got back to me with his recommendation. My car is indeed a 2 litre.
I will thank you !
Re: SU carb needles under piston s
Posted: Sun Jan 31, 2021 10:54 pm
by RustBucket
I bought mine from here:
SU Midel
A ways away, but... I had time at the time. I bought a couple other models based on what people said on the site about where 1600's normally run rich and lean, but I haven't tried them yet and I gave away my O2 meter, so I might not try them.
Rustbucket
Re: SU carb needles under piston s
Posted: Mon Feb 01, 2021 6:18 am
by DAC21
RustBucket wrote: Sun Jan 31, 2021 10:54 pm
I bought mine from here:
SU Midel
A ways away, but... I had time at the time. I bought a couple other models based on what people said on the site about where 1600's normally run rich and lean, but I haven't tried them yet and I gave away my O2 meter, so I might not try them.
Rustbucket
If that is the going rate for quality needles ($18.70 US) the two sets (1600+2000) that come with the $50 Kester SU rebuild kit must not be all that good. I don't know that I necessarily need them as I was more after the Float Valves and gaskets in the kit. No telling what kind of fun surprises I'll find in my SU's after 40 years of sitting.
Re: SU carb needles under piston s
Posted: Mon Feb 01, 2021 6:53 am
by spl310
The Keyster needles are likely close copies of the original ones. The ones in the link have better fuel characteristics for the 1600 in a Roadster.