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Mike Beck
Goo Roo
New Zealand
3UZ-FE V8 4.3 UZZ32

Posts: 6186
Reg: 11-2005

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Friday, June 08, 2018 - 10:39 pm, by:  Mike Beck (Gold_40gt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Dyno tune next week :-)

Currently done headers, no cats, 2.25" exhaust on the 3UZ, otherwise stock running nice oil and 98 RON.

Using an Apexi Neo AFC to tweak the air fuel signal, so we shall see how it goes!

Hopefully around 170-180rwkw would be in the ballpark but we shall see.
Roland Elliott
TryHard
New South Wales
uzz32 1uz-fe

Posts: 312
Reg: 08-2014

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Saturday, June 09, 2018 - 07:05 am, by:  Roland Elliott (Aussie2013) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Going over a 2.25" in size will give you less power in most instances, All sorts of variations have been tried before, Dyno results show the story.
Mike Beck
Goo Roo
New Zealand
3UZ-FE V8 4.3 UZZ32

Posts: 6188
Reg: 11-2005

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Saturday, June 09, 2018 - 11:22 pm, by:  Mike Beck (Gold_40gt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

yeah that is why it's 2.25" Same size as what 4.2 V8 Audi RS4s used, they must know something.

I've never liked going too big with exhaust diameters.
Scott Vim
Goo Roo
Vic
Soarer (1uz) Chaser (1jz)

Posts: 1704
Reg: 12-2010

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Sunday, June 10, 2018 - 04:25 pm, by:  Scott Vim (1uz1jz) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Sized according to the flow needed. If you are going forced induction then you may need bigger. I'm surprised the 3uz is that much quicker. I'm thinking about a crown with either the 1uz vvti or 3uz. I think the vvti 1uz is about on par with the 3uz. Just wondering does it sound any different to the 1uz all other things being equal?
Mike Beck
Goo Roo
New Zealand
3UZ-FE V8 4.3 UZZ32

Posts: 6189
Reg: 11-2005

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Monday, June 11, 2018 - 04:38 pm, by:  Mike Beck (Gold_40gt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Scott Vim wrote on Sunday, June 10, 2018 - 04:25 pm:

Sized according to the flow needed. If you are going forced induction then you may need bigger. I'm surprised the 3uz is that much quicker. I'm thinking about a crown with either the 1uz vvti or 3uz. I think the vvti 1uz is about on par with the 3uz. Just wondering does it sound any different to the 1uz all other things being equal?




It's a pretty grunty motor, you'd hope so with an extra 50hp and 80nm, considerably lower in the rev range, the 6 speed auto really helps too, the 4 speeds really dull the cars off the line.

Yeah there is a much different intake noise, more modern sounding, exhaust much the same though.

Old video with stock exhaust back in late 2016 just after finishing the conversion. This was with the 5 speed auto, before I change it a year later to the 6 speed auto along with the ECU, required some repining of the ECU and new type Knock sensors.

Mike Beck
Goo Roo
New Zealand
3UZ-FE V8 4.3 UZZ32

Posts: 6190
Reg: 11-2005

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Tuesday, June 12, 2018 - 02:46 pm, by:  Mike Beck (Gold_40gt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Installed an Apexi Neo AFC to dial in some fuel corrections today.

Making good power before the tune, peak of 177rwkw, but the low end was a bit poor so the tuner put in some more fuel down low and got a decent 10rwkw gain through most of the low to mid range! Now with a peak of 178.1 rwkw, so very pleased. Certainly pulls well in the lower rpm band.



Tai Johnsen
Goo Roo
QLD
JZZ30 Pov Manual LSD & black! + 89 Z20 Aerocabin

Posts: 1772
Reg: 04-2006

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Tuesday, June 12, 2018 - 04:54 pm, by:  Tai Johnsen (Privatejohnsen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Nice work Mike!
Scott Vim
Goo Roo
Vic
Soarer (1uz) Chaser (1jz)

Posts: 1705
Reg: 12-2010

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Wednesday, June 13, 2018 - 04:19 pm, by:  Scott Vim (1uz1jz) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

What's the 5 speed auto?
Mike Beck
Goo Roo
New Zealand
3UZ-FE V8 4.3 UZZ32

Posts: 6191
Reg: 11-2005

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Thursday, June 14, 2018 - 03:30 pm, by:  Mike Beck (Gold_40gt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Old 5 speed was the A650e, V8 spec one. Slightly weaker version also used behind some 2JZ-GE VVTi cars.

Currently have the 2004+ A761e 6 speed auto that was used in a lot of Lexus Toyota models up to only a few years ago.

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