I've have a 1950 Willys Jeepster with the 161 cu in Lightning 6 cylinder L-head engine and a 3 speed manual transmission with the overdrive.
I've owned it since 1970. Before I acquired it, someone had apparently replaced it's carb with a Carter YF (the version that fits the Willys 4 cyl 134 cu in 4 cylinder). Not knowing any better, over the years I periodically rebuilt the YF and the Jeepster puttered about fine with it. Recently, however, I've started to rebuild the Jeepster proper-like to keep an old promise I made to it. Digging through various old literature and vendor sites, I've found 3 different carbs listed for the car, none of them being a Carter YF: - Zenith WA-1 645S
- Zenith 31A-11 OEM
- Stromberg BXV-2
I also found literature that suggests in mid-1950, there was a switch from the carb used on the 1948 thru early 1950 Willys Jeepsters (which had the 148 cu in L head engine) to some new carb. That's the carb I'm trying to find.
Does anyone have any old literature that says what is the proper carb (or carbs - knowing Willys, it would not surprise me that two different versions were used interchangeably).
I would appreciate any information you may have on this.
Thank you for your information - until now, I've not known the specific YF models used by Willys. I will use a YF738 or YF2467 carb if I can't find out what was originally used by Willys on the 6-cyl 161 engine.
I know the Carter YF's were stock on the Willys 4-cyl 134 engines, but I think Willys used a different model (maybe a Zenith WA-1 ?) for the 148 6-cylindeers. I'm trying to rebuild my Jeepster to be as correct as I can (within $$ reason) so I was hoping someone could pin down the exact carb make/model if possible.