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 Re: Weber 32/36 install
[Re: Michael_Morrison]
#1002004
08/29/10 02:43 AM
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Joined: Nov 2008
Posts: 1,435
Body Damage is Cool
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Installed a Weber today, what a world of difference. Best performance upgrade for the dollar especially when replacing a worn-out Mikuni.
- '83 Might Max: IG @83mmax
- '88 Raider: my OG
- '89 Raider: rescued
- '92 RS M/T: sold
- '93 SR: sent to crusher
- '05 Montero LTD: sold
- '18 PHEV: wife's daily
- '14 OL GT
- http://www.tuffpans.com
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Re: Weber 32/36 install
[Re: plh]
#1002005
08/29/10 03:29 AM
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Joined: Nov 2008
Posts: 1,435
Body Damage is Cool
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I've got some engine run-on (dieseling) now after the Weber swap. I'm thinking these contributors: 1. Idle speed - I'm now about 900 rpm - with the old Mikuni was around 800 rpm - never dieseled. 2. My distributor has 2 ports on the vacuum advance - I connected them to a "T" fitting and then to the Weber single port - I'm guessing this is the major contributor - probably timing advanced to far even at idle. 3. Idle fuel mixture - I'll mess with that in the morning. Anyone know about the correct way to hook up the vacuum advance?
- '83 Might Max: IG @83mmax
- '88 Raider: my OG
- '89 Raider: rescued
- '92 RS M/T: sold
- '93 SR: sent to crusher
- '05 Montero LTD: sold
- '18 PHEV: wife's daily
- '14 OL GT
- http://www.tuffpans.com
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Re: Weber 32/36 install
[Re: plh]
#1002006
08/29/10 03:37 PM
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Joined: Nov 2008
Posts: 1,435
Body Damage is Cool
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May have solved the dieseling problem. Lowered the idle rpm to 600 and adjusted the idle mixture screw until engine runs as smooth as possible at the set rpm. Its pretty smooth and no dieseling.
- '83 Might Max: IG @83mmax
- '88 Raider: my OG
- '89 Raider: rescued
- '92 RS M/T: sold
- '93 SR: sent to crusher
- '05 Montero LTD: sold
- '18 PHEV: wife's daily
- '14 OL GT
- http://www.tuffpans.com
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Re: Weber 32/36 install
[Re: plh]
#1002007
08/29/10 04:47 PM
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Joined: Dec 2008
Posts: 659
Rock Warrior
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missed your other posts, but I did the same thing. I put the idle around 600 when in gear, adjusted idle mixture and have no problems. I read that some webers need a fuel cut off solenoid to prevent dieseling, but i have not needed to invest in that.
'88 Raider. 2.6L dead...2.4L swap in progress, AT, 33's, 2 bouncy seat,AC, CC, 2.25 exh, 2" Tbar, 2" BL, rear DB, rear LSD,4.90's, SW hubs,gen2 uca's, KYB shocks, snorkel, elec fan, MSD.
'99 chev k3500 crewcab
'15 Subaru XV
'03 BMW i325
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Re: Weber 32/36 install
[Re: fasteddy]
#1002008
09/17/10 09:29 PM
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Joined: Jan 2005
Posts: 139
Wheeler
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Hey Fast Eddy, I just installed a Weber 38/38 and didn't use a second regulator to the Weber. However I'm having issues with getting the thing to idle below 1K (still working on the vacuum hoses) which leads me to ask you about the two intake lines on the stock distributor: Do I plug one or use both? I'm thinking that my idle issue is caused by the vacuum, not the regulator pressure.
RockU - Federal Way, WA - 1989 Montero, New-2.6L, New-5spd, New Clutch, header, 10x15 wheels, 32x11.5x15 Mud Claw (Cardovan), 4" lift, Superwinch Hubs, Front LSD, Synch 38/38 Weber Carb, K&N filter, (Let's hit the trail!) Home Email: jondanderson2002@yahoo.com
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Re: Weber 32/36 install
[Re: plh]
#1002009
09/17/10 09:34 PM
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Joined: Jan 2005
Posts: 139
Wheeler
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Hey PlH, I just installed a Weber 38/38 and have the same question. On this post you asked the question about using a vacuum on both ports on the distributor advance, but I didn't find an answer to you, so could you tell me what you did with both ports? Did you swap out to a single port?
RockU - Federal Way, WA - 1989 Montero, New-2.6L, New-5spd, New Clutch, header, 10x15 wheels, 32x11.5x15 Mud Claw (Cardovan), 4" lift, Superwinch Hubs, Front LSD, Synch 38/38 Weber Carb, K&N filter, (Let's hit the trail!) Home Email: jondanderson2002@yahoo.com
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Re: Weber 32/36 install
[Re: socal1200r]
#1002010
09/17/10 09:42 PM
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Joined: Jan 2005
Posts: 139
Wheeler
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Hi socal1200r, thanks for the post, I'm having the exact same issue with my new 38/38 Weber. I'm still working on the Carburetor since my Monty lost it's transmission in IL on the way to Virginia. On the way to IL I was just slapping the peddle to bring it down. Thanks again and will let you know how it works.
RockU - Federal Way, WA - 1989 Montero, New-2.6L, New-5spd, New Clutch, header, 10x15 wheels, 32x11.5x15 Mud Claw (Cardovan), 4" lift, Superwinch Hubs, Front LSD, Synch 38/38 Weber Carb, K&N filter, (Let's hit the trail!) Home Email: jondanderson2002@yahoo.com
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Re: Weber 32/36 install
[Re: RockU]
#1002011
09/17/10 11:33 PM
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Joined: Jan 2001
Posts: 13,649
Web Wheeler
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It's been a LONG time since I had a carby 2.6, but I don't remember a two hose dizzy. I'd assume one is advance and one is retard, but I bet you need the device box stuff to make it work. Is it maybe the high altitude stuff?
Not responsible for advice not taken...
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Re: Weber 32/36 install
[Re: fasteddy]
#1002012
09/18/10 04:24 AM
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Joined: Nov 2008
Posts: 1,435
Body Damage is Cool
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Here is a photo of my Weber install. I'm using the low pressure Holley regulator set at about 2.5 psi. I also have the altitude distributor. I joined both lines with a "T" an connected to the carb. Added 2 throttle return springs to get the idle consistently down to 600 rpm. ![[Linked Image]](http://www.ns-micro.com/~phanson/pics/weber.jpg)
- '83 Might Max: IG @83mmax
- '88 Raider: my OG
- '89 Raider: rescued
- '92 RS M/T: sold
- '93 SR: sent to crusher
- '05 Montero LTD: sold
- '18 PHEV: wife's daily
- '14 OL GT
- http://www.tuffpans.com
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Re: Weber 32/36 install
[Re: plh]
#1002013
09/29/10 01:06 AM
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Joined: Nov 2008
Posts: 1,435
Body Damage is Cool
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Did my first longer road trip last week. All highway miles at 65 to 75 mph. Tackled moderate rolling interstate hills with ease. Even passed a few people on hills! never possible with the old Mikuni. Found "real 100% gas" at a Shell station. Grabbed a fill up of the 91 octane stuff... drum roll..... 20.4 mpg (odometer corrected) pushing my 33 x 12.5 MTZs. I'm in shock.
- '83 Might Max: IG @83mmax
- '88 Raider: my OG
- '89 Raider: rescued
- '92 RS M/T: sold
- '93 SR: sent to crusher
- '05 Montero LTD: sold
- '18 PHEV: wife's daily
- '14 OL GT
- http://www.tuffpans.com
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