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post #1 of 4 Old 12-24-2018, 07:30 PM Thread Starter
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hybrid conversion

I am looking to convert a 1st generation Tundra into a hybrid. I am thinking of taking the engine/hybrid set up from a second generation Highlander in either 3.3 L 3MZ-FE V6 (hybrid) or 3.5 L 2GR-FXE V6 (hybrid). From the little that I know the weight of the vehicles is similar so at least it would be compatible in that way, yet I haven't even done a regular engine swap, let along a conversion like this. I have been able to find no information about doing something like this. Yet from what I gather, the Highlander engines have the Synergy Drive which I don't even know if it is actually a part of the engine or an add on (which I might be able to just add to a Tundra V6?) What would it take and how would I go about doing it? Thanks
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post #2 of 4 Old 01-01-2019, 10:16 PM
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Welcome to the forums!

I'm not sure if the crowd here would have any insight or expertise on the conversion. You'd have to have an intimate knowledge of the hybrid platform that yer working from before designing the conversion process. I would guess it's not going to be easy as one might think. But if yer set on the conversion, let no one stop you in yer tracks! Just plan as much as you can ahead of time and make sure you know at what price point it becomes too expensive to continue...unless you have an unlimited budget to work from.

I know that GM has a hybrid truck system available as well as the Ram truck. It might give you some inspiration to see how they implement that system vs the system you are converting over from the Highlander.

https://www.caranddriver.com/news/a1...ybrid-pickups/
https://www.caranddriver.com/reviews...d-pickup-drive

Synergy drive
https://en.wikipedia.org/wiki/Hybrid_Synergy_Drive

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post #3 of 4 Old 02-11-2019, 03:37 PM
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First off, why would you want to ruin a perfectly good truck. and secondly, how much money do you want to spend doing this? Anything can be done but, this would cost thousands, maybe tens of thousands and would far, far offset any money you may save on fuel. It is not impossible but, may as well be.
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post #4 of 4 Old 02-11-2019, 03:48 PM
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If you got the money, resources, skills, manpower, contacts and willingness to do it, do it because it would interesting. If you got none of that, don't waste your time and either drive the Tundra normally or get a hybrid vehicle. But given that you have not even done a "simple" engine swap yet, don't waste your time unless you hire a "speedshop" to do it for you.

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