I searched but did not find this specific topic in the 70 Series forum. Hoping you all can spot flaws in what I am thinking about doing.
I have a mid-90's 1FZ-F Troopy with an H150 transmission in it. I prefer low revs on the highway even if I go a little slower. I've a buddy who spent a fair amount of time driving it at 150+ KPH in the desert and he had no particular issues but I am the kind of guy who just likes the engine to putter along at 2200-2400 so I am thinking seriously about trying to convert the H150 I have into something close to an H152.
I'm starting to use AI to help me figure this out, which might be a mistake. Gemini gives the following table:
ChatGPT initially gave me obviously wrong data but I asked it to check its work and this came back:
I've been told (by people) that most everything that fits in an H152 should fit in a H150 case. I get mixed answers when I ask AI's the same question. But after a while they seem to agree that it is possible and that I won't need to machine the H150 case.
Terrain Tamer has a 1000 USD kit, but I'm inclined to give Toyota OEM parts a try.
The H1f5 is used in the VDJ76 78 and 79. Using the usual sources I get the following part numbers:
H152 Countershaft: 33421-60230
H152 2nd Gear: 33033-60060
H152 5th gear: 33036-60020
The cost of these three parts seems to be substantially less than the Terrain Tamer kit.
Does anyone out there see flaws in this logic?
I have a mid-90's 1FZ-F Troopy with an H150 transmission in it. I prefer low revs on the highway even if I go a little slower. I've a buddy who spent a fair amount of time driving it at 150+ KPH in the desert and he had no particular issues but I am the kind of guy who just likes the engine to putter along at 2200-2400 so I am thinking seriously about trying to convert the H150 I have into something close to an H152.
I'm starting to use AI to help me figure this out, which might be a mistake. Gemini gives the following table:
ChatGPT initially gave me obviously wrong data but I asked it to check its work and this came back:
I've been told (by people) that most everything that fits in an H152 should fit in a H150 case. I get mixed answers when I ask AI's the same question. But after a while they seem to agree that it is possible and that I won't need to machine the H150 case.
Terrain Tamer has a 1000 USD kit, but I'm inclined to give Toyota OEM parts a try.
The H1f5 is used in the VDJ76 78 and 79. Using the usual sources I get the following part numbers:
H152 Countershaft: 33421-60230
H152 2nd Gear: 33033-60060
H152 5th gear: 33036-60020
The cost of these three parts seems to be substantially less than the Terrain Tamer kit.
Does anyone out there see flaws in this logic?
