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[kashuab]

I wonder what it's all about then. Are there inherent problems when pushing 4 cylinder engines vs 6 cylinders, aside from a power ceiling? I'm new to tuning so I might just be misunderstanding. I've got some bolt-ons on the way for a stage 1 setup and it'd be nice to know if I'm just going to blow it up in the next 20k miles

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[Supra_UK_]

I mean, for all intents & purposes the B48 is essentially a B58 with the front two cylinders removed. They develop the six cylinder architecture first, then work backward in order to create a four cylinder version of it. It's much more cost effective and results in a better design for both iterations. And to prove my point, there are several internal components shared between the two, a big one being the connecting rods.

Actually... No, the B48 was produced first, the B58 afterwards.

 

[zrk]

Actually... No, the B48 was produced first, the B58 afterwards.

Correct. The B48 was introduced in 2014, while the big brother was released in 2015.

 

[kashuab]

Interesting relevant video regarding the B48

 

[FuzzyRev]

Actually... No, the B48 was produced first, the B58 afterwards.

My bad, I was misremembering the order they went into production.

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