Strange BHP reading

Started by michaelb, September 15, 2018, 19:12

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michaelb

September 15, 2018, 19:12
I'm in the process of just about to install a 2zz engine and we decided to run it on the dyno to see what she is putting out before we do the swap. The result confused us as I don't have any mods to my engine but it made 163bhp. Has anyone else ever encountered this? I thought the 1zz max output was 138?!

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shnazzle

#1
September 15, 2018, 19:44
Dyno calibration error.
No chance in hell it made that.
...neutiquam erro.

michaelb

#2
September 15, 2018, 19:47
That's what we thought, going to have a look at the data again as sometimes these things can happen. He did say it's a fantastically fit engine. I was going to sell it after the swap but might keep it now.

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Treboeth

#3
September 15, 2018, 19:50
Quote from: shnazzle on September 15, 2018, 19:44
Dyno calibration error.
No chance in hell it made that.

What about

Painted calipers
Markiii pipe
Spoiler
Go faster stripes

Easy 40-50bhp there  ;D

michaelb

#4
September 15, 2018, 19:53
Lol, yeah the bodykit and red calipers must add at least 30bhp lol

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shnazzle

#5
September 15, 2018, 20:00
If it's fantastically fit, I'd keep it for sure. Or sell it for good money. Chances are it's probably in a better shape than whatever 2zz you're putting in, unless you're rebuilding that first.

It doesn't take much of a calibration error for it to read 20hp over.
Some unscrupulous dyno operators who also tune will sometimes under-read on the pre run and sell you all the wonderful things they can do. Then set it right for the post-run, making the results seem epic.

This seems more like a genuine mistake
...neutiquam erro.

michaelb

#6
September 15, 2018, 20:07
Yeah this guy wasn't even planning on putting the car on the dyno with the 1zz in but I asked him to as I was curious!

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michaelb

#7
September 15, 2018, 20:09
Lee at Se7en went over the 2zz engine I'm installing and he was impressed at how clean it was, so hopefully it's a good one! Plus Lee built and installed me uprated cams in the new 2zz

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michaelb

#8
September 16, 2018, 12:08
And unfortunately my TTE exhaust, which I had hoped to be able to reuse is falling to bits as it's being removed. The guy is going to make me a custom exhaust now which will cost me an arm and leg

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