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Carb conversions #178191 06/15/02 11:37 PM
I am considering a carb conversion for my 1988 2.6 Montero. John Baker sells 3 carb conversion kits. Does anyone have any experience and/or recommendations with these kits or with any other carb conversions?

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Re: Carb conversions #178192 06/17/02 04:16 AM
Joined: Oct 2000
Posts: 204
jsanch Offline
Steve, my '87 Raider was running like crap (power loss on hills, rediculous mpg) so I decided to swap to a Weber instead of buying a rebuilt Mikuni since the prior owner had broken parts of the thermo valve and thermo switch and these are expensive parts. I did the swap on Friday and believe me, I am driving a different truck. No power loss anymore and cruising at 65 is pretty easy at about 2900 rpm. I have not tried it out on inclines, offroad, etc. so I can't comment on that. I just filled the tank so I don't know about mpg yet. I bought the K614 kit from Pierce Manifolds for about $365 with shipping. If your truck is auto you only have this choice

1987 Raider - auto, Weber carb, bouncy seat, 31 Coopers,
1989 4Runner 4 Cylinder All stock
Re: Carb conversions #178193 06/17/02 11:44 AM
My '88 is a manual trans. Let me know how the gas mileage is compared to the original carb. Were you able to keep all the pollution control devices that came on the truck? I am also considering a Weber swap.

Re: Carb conversions #178194 06/17/02 04:29 PM
Joined: Oct 2000
Posts: 204
jsanch Offline
Emissions stuff have to go. All vacuum hoses are removed except for the distributer vacuum hose. This is why I did the swap, I did not want to replace the thermal valve, thermo switch, etc. all of which have vacuum hoses attached to them. So if your area does not have stringent pollution standards, the Weber is OK, if they do, your truck won't pass emissions

1987 Raider - auto, Weber carb, bouncy seat, 31 Coopers,
1989 4Runner 4 Cylinder All stock
Re: Carb conversions #178195 06/18/02 05:38 AM
Joined: Apr 2002
Posts: 3,622
NathanC Offline
Roll Me Over
A few months back I installed one of Jon Baker's Weber carbs in my truck. It has made a vast improvement in power. Now only very large hills force me to down-shift into fourth. Also I have increased from 13mpg to just better than 20mpg. I am still messing around with various jets right now I'm running the largest jets provided in the jet kit. I now wonder if my fuel pump is nearly dead.
You may not want to hear this and don't let is stop you, but my experience has been that the instructions provided with the carb are HORRIBLE. And customer help from Redline Weber is perhaps the worst I have ever encountered. Expect to do a little spending to get the little things ironed out after the install.

'06 Dakota QC 4.7 6sp 4x4
'88 Mighty Max
'77 KZ1000 fun old bike
Re: Carb conversions #178196 06/17/02 11:35 PM
i just put on a redline weber two weeks ago, 32/36 on a 86' max with a stick. I would say about 10% gain in low end, 30% gain in mid, and maybe 20% more top end. And most of all the choke is wonderfull!!Wish I'da put one on years ago!!!!This 2.6 has 200,000 and is about to get rebuilt, Im getting the carb,igintion and exhaust tuned in before hand. Tuesday New exhaust hooked up to a Doug Thorly header that replaced my cracked manifold last night. Any the weber is a dream. Check out JTO, they have'um on E bay.

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