Weber carb install help

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duragauge
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Joined: Sun Jan 03, 2021 2:24 pm
My tercel:: 1986 Tercel 4WD SR5
Location: Willamette Valley

Re: Weber carb install help

Post by duragauge »

cornell wrote: Thu May 06, 2021 10:16 am @Duragauge, is that a fuel pressure regulator of some kind on your fuel line into the weber?
Yes, it's a Holley 12-804 that's rated for 1-4 psi. It comes pre-set from the factory at 2.8 psi, which is just where I wanted it.

I originally thought I wouldn't need/want one, since I was getting 3.5 psi, but after a while I noticed my carb was getting too much fuel and gas was leaking out. The regulator seems to have fixed that.

Plus the pressure had been bouncing up and down due to the pumping of the mechanical pump, and the regulator has smoothed that out.
DirtyOregonKid
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Joined: Mon Apr 29, 2019 9:33 am
My tercel:: 1986 Tercel Wagon

Re: Weber carb install help

Post by DirtyOregonKid »

@Duragauge Do you recall what nipples you're using on that regulator? I have the same one sitting on my bench. Thanks
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Mattel
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My tercel:: 1988 Corolla 4wd Wagon (AKA Corolla All-trac) 5speed, AC, Power Sunroof, Windows, Mirrors, Steering, Locking, Diff Lock, 14" Corolla SX Alloys with Silica Hankook Tyres, 4afe, King Springs, Upgraded Headlights, Full Synth oils, 210,000kms
Location: Melbourne, Australia

Re: Weber carb install help

Post by Mattel »

Anyone doing this swap please hold onto the original carb as they work really well with a new carb kit put through them.
Previous: 83 Tercel SR5 4wd, 84 Tercel SR5 4wd
88 Corolla 4wd Wagon 5speed, All power options, Fact Sunroof, Diff Lock, 14" SX Alloys, Hankook Tyres, 4afe, King Springs, Upgraded Headlights, Full Synth oils, Tow Bar, 210,000kms
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