Tri-Power Tech 57-66 Tri-Power Talk

          
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Old 06-08-2018, 12:27 PM
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Default Needle Clip

Is there any good reason to leave the clip on the needle after the float is adjusted? My new floats cause the clip to bind occasionally when the float drops.
I seem to recall that back in the sixties there were no clips on the needles.
Thanks, Les

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Old 06-08-2018, 12:34 PM
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Most Rochester 2-BBL carbs I have inspected, that were rebuilt correctly seemed to have the clip on the needle as factory.

Tom V.

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Old 06-08-2018, 08:17 PM
mgarblik mgarblik is offline
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The clips are often installed incorrectly and they bind, pop, or stick. They are installed correctly from the rear of the float with the open end of the wire clip facing the pontoon. They DO NOT poke up or through any holes in the float hinge area. That may help.

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Old 06-09-2018, 04:24 AM
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Since Tripowers are discussed here, no clip needed on end carb fuel inlet needles, center carb float has the clip located in proper hole on float arm.

Correct float drop setting eliminates binding.
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Old 06-09-2018, 08:58 AM
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If you polish the float "Hump" that the needle's "head" slides across, very rarely do you have any "Sticking"/"hanging up" needles.

This mod works on Rochester carbs AND Holley carbs.

Tom V.

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Old 06-09-2018, 09:52 AM
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Quote:
Originally Posted by mgarblik View Post
The clips are often installed incorrectly and they bind, pop, or stick. They are installed correctly from the rear of the float with the open end of the wire clip facing the pontoon. They DO NOT poke up or through any holes in the float hinge area. That may help.
X2.

I used the clips when I was still restoring, but they MUST be installed correctly (as above). If installed correctly, with the correct float drop, they will not bind.

The clips prevent the neopreme tip of the plunger sticking in the seat. It rarely happens without the clips, but it does happen.

Have posted before about NOT using the tiny hole in the float arm that appears to be where one would hang the clip; as this location WILL cause binding.

Jon.

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Old 06-09-2018, 03:10 PM
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Jon, Rochester 2GC and 4GC has dedicated holes in the float arm for the clip.
These works as intended, IMHO.
Some later 2GC´s has a different style float arm with no provision for a clip.
When the Quadrajet appeared folks thought the holes in the float arm was the proper location for the clip, which we all know by now, is wrong.
The proper way is to hang in the clip from behind, opening facing front of carb.

Carter AFB/AVS clips, when used, on the other hand is hanged in from rear opening facing the float.

FWIW

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Old 06-09-2018, 03:19 PM
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Since the floats have no hole for the clip. There seems to be only one way to mount the clip. It can then rotate on the needle until in eventually binds on the side of float arm.




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Old 06-09-2018, 08:37 PM
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Kenth - I am aware of the holes in the 2G and 4G floats, and also aware that placing clips in the holes CAN cause binding. Have seen it more than once.

POSSIBLY, if everyone ALWAYS bought ONLY genuine GM parts, MAYBE placing the clips in the holes MIGHT work MOST of the time.

But use the holes if you wish.

And the more I look at the pictured floats, the more confused I get. Not sure how these would work with the older tripower carbs.

Jon.

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Last edited by carbking; 06-09-2018 at 08:48 PM.
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Old 06-10-2018, 12:14 AM
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BTW, these floats were purchased from Mike Wasson @ Pontiac Tripower.

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Old 06-10-2018, 04:22 AM
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Quote:
Originally Posted by Pontiac62 View Post
Since the floats have no hole for the clip. There seems to be only one way to mount the clip. It can then rotate on the needle until in eventually binds on the side of float arm.



This is the currently available new float for 1959-66 Tripower end-carbs and 1966 center carb.
Originally used in most 1969-78 2GC´s.

I would not use any clip on these floats.

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Old 06-13-2018, 02:19 PM
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I sent Mike Wasson an email, asking about the clips. He said they should not be used with these floats, FWIW.

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Old 06-27-2018, 07:28 PM
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Quote:
Originally Posted by carbking View Post
And the more I look at the pictured floats, the more confused I get. Not sure how these would work with the older tripower carbs.
Jon.
Jon, I noticed on your website that your kit numbers are the same for all three carbs. do they all include the same size composite floats and same size inlet orifices?
Thanks, Les

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