16v head upgrade on the Toyota 4Y: Possible?

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monkslayer
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Sun Mar 04, 2018 10:37 pm

Hey guys,

I've been driving around an EFI converted Toyota 4Y engine for the last 3 years( Thanks Louise:-))and it has been a reliable tough as nuts piece of mechanical engineering. I do have a SA Van with the 2.5 five cyilinder Audi that came with the 10V and about to swap on a 20V head on it to really make it come alive. It therefore got me thinking, is it possible to do the same thing on the 4Y and uprate it to 16V from 8V? Has it ever been tried?

I'm really considering this project if feasible therefore any ideas on the possible head swap options are welcome!

Thank you in advance,
Cheers.

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Mud Dog
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Real Name: Andy

Mon Mar 05, 2018 7:16 am

Hi. Not possible. The 4Y is not a cross-flow motor and its also not OHC. :winkx:
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dalkill
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Mon Mar 05, 2018 7:22 am

Ah noooo.... i was hoping to see 4Y EFI twincam 16V :D:
2007 d4d 3.0 D/C 4x4 (Mar 2016 - current) (Buraaq V)
2003 Isuzu KB300 tdi LX D/C 4x4 (May 2015 - Feb 2016) aka Buraaq IV
2000 hilux DC 2.7 4x4 (Jul 2011 - Sep 2012) aka Buraaq III
1999 RXI 20v (Nov 2009 - Jul 2011) aka Quicksilver
1990 hilux DC 2.2 4x4 (Jun 2008 - Jul 2011) aka Buraaq II
1997 corolla 160i GLE (Feb 2007 - Sep 2009) aka Green Goblin
1990 GLI twincam (still my fav rolla) (Oct 2005 - Mar 2007) aka Wit Blitz
Golf GTI 2.0 (temp insanity for 2months) (Jun 2005 - Aug 2005) aka A mistake
1993 hilux SC 2.2 4x4 (April 2003 - Sept 2005) aka Buraaq

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monkslayer
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Joined: Mon Apr 06, 2015 1:58 pm
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Vehicle: 1970 Vw Kombi
Real Name: Just

Mon Mar 05, 2018 12:14 pm

haha..yes , i was hoping for a crazy ambitious 4Y-EFI 16V twin cam!! Seems that dream will have to wait for another lifetime!!

Cheers and thanks for the feedback

Thabogrobler
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Tue Mar 06, 2018 9:40 am

There must always be a first?
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