Flat top SU adjustment

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03-28-2002, 09:41 AM

pl510sss

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Flat top SU adjustment

Z owners,
Need advise on how to adjust these boat anchor SU's.
It's the flat dome type, running too rich and fouling up the plugs very fast. Please help, much appreciated

Abraham

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03-28-2002, 11:59 AM

Timberwolf

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Flat top SU adjustment

I think you have stumbled upon the answer in your question; use them as boat anchors!! Personally if you want to use SU carbs, I recommend Z therapy (www.ztherapy.com) SU carbs. He does a great job ob these, I own a pair and they are wonderful.

03-28-2002, 04:50 PM

lifegrddude

Externally Wastegated

Join Date: Oct 2001

Location: San Diego

Posts: 1,220

Re: Flat top SU adjustment

You could get a synchrotester or whatever those things are called from MSA for around 40. That'll help you get your carbs set straight. Or if you have to, the old Datsun manual I have for my 510 says to turn it all the way and back out 3 turns.... although I wouldn't recommend that... it's sorta as a last ditch effort.
82ZXT

03-28-2002, 05:44 PM

Zpeed

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Posts: n/a

Re: Flat top SU adjustment

theres only 2 screws i think that are for tuning, they are around 1.5cm wide,and need a flat head, thats all i remember from mine, i got my flat tops running pretty good, but when i installed the SU's, big power increase, better driving smoothness and everything just 200% better...

but yer if you want to keep the boat anchors, keep them its your car..

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The NiteRider