Pass it on....!Neat idea - hopefully I'll never have to steal it, though.
I took your advice and spoke with 4WP Montreal location General Manager Michel Lacelle. This guy knows his products inside out! like Crown Jeep Parts. Buying parts from Michel is now so easy, no guessing, no sweat.4wp sells them
Wrangler (YJ) Steering Shaft
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Brennan Metcalf/Mieser runs a 2100 on his flatty Rango, swears by them and either has a list of off road mods, or sells stuff for them, I can't recall. Worth a conversation (he's easy to find on FB). Lots of info in the Rango thread too:On the wait for gas tank parts, I dove into the Motorcraft 2150 2bbl carburetor. Info from some jeep forums states this is a knockoff because of the circle cast on the side. The numbers 1.21 = 351 cfm. The measurement 1.21 is the diameter of the Venturi or open area above the throttle plates. This is a 2150 258 ci 2bbl carb which has a #52 jet dia hole. This is a lot of big air and gas for this motor, the plugs go black ass coal from just trying to start up this shit box! (rich)
View attachment 6217
1.21 = 351 CFM is too large of a venturi. a 1.08 = 287 found in the 2100 Motorcraft carb is best suited for the 258ci.
Here's the breakdown for venturi size
venturi size is the number in a circle on side of carb.
here's a list of what = what
size cfm
.98 = 190
1.01 = 240
1.02 = 245
1.08 = 287
1.14 = 300
1.21 = 351
1.23 = 356
1.33 = 424
If you read the above and disagree please talk about it.
Just trying to start the motor and hear what it needs for repairs then decide the cost-effective next step.
A plan is to fill in the jet hole with a lead soldier and drill a smaller hole for less fuel and tape the Venturi with heating duct foil tape to reduce its size in an effort to get this motor to start. Would this make a difference?
View attachment 6218
View attachment 6220
Right on Kunker, the link is about a good way to tune these carbs with a vacuum gauge and patients. The carb he is tuning is a 2100 at 1.08 dia venturi and a #47 jet.Brennan Metcalf/Mieser runs a 2100 on his flatty Rango, swears by them and either has a list of off road mods, or sells stuff for them, I can't recall. Worth a conversation (he's easy to find on FB). Lots of info in the Rango thread too:
Rango....1942 Willys MB
www.pirate4x4.com
But it's been a while since I've dug through it.
Based on what carb experiments they've run on Engine Masters, I was under the impression that CFM didn't much matter if you had the jetting right. I'd suggest trying to find a jet kit vs solder and drilling OR look at the 2-barrel Sniper kit and forget carbs entirely. But I tend to spiral projects well out of control