Capabilities of na motor - Toyota Supra Forums

05-12-2011, 04:02 AM

pwpanas

Supra Owner

Join Date: Oct 2005

Location: GA, USA

Posts: 2,209

Quote:

Originally Posted by fastsupra

Hello all,
I recently purchased a 1994 toyota supra from north carolina and it is a 5 speed manual naturally aspirated engine and I was wanting to know how much horsepower can the na motor handle before needing to do engine work.
Thanks a lot for your inputs!

With the oem headgasket, you can probably squeeze 450rwhp out of it before needing to do some work. A much thicker headgasket might allow you to get to (my guess) about 550rwhp or so. Like Sonyps307 said, the higher compression pistons are the primary issue with going much beyond that point.

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capabilities, engine, horsepower

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