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 Post subject: Toyota 7 racecar
PostPosted: Fri Mar 08, 2013 10:28 am 
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Joined: Fri Feb 09, 2007 12:27 am
Posts: 39
Location: FL, USA
Does anyone know where I can find more information on this engine?
Image

Google is failing pretty hard for me. Only thing I can deduce is that it was a 3V block with one-off DOHC heads by Yamaha but I'd like to confirm. Thanks!

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 Post subject: Re: Toyota 7 racecar
PostPosted: Fri Mar 08, 2013 3:02 pm 
JNC Enthusiast
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Joined: Sun Feb 04, 2007 10:02 am
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Try this, not sure if it talks about the engine though - The Young Soldiers and Toyota 7. There are three parts, so make sure to check them all. :wink:

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 Post subject: Re: Toyota 7 racecar
PostPosted: Fri Mar 08, 2013 5:00 pm 
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Joined: Fri Feb 09, 2007 12:27 am
Posts: 39
Location: FL, USA
Thanks for the link. Didn't give me an abundance of information, other than (from what I understood) it was the 5 liter V8 that was DOHC. Not sure if they took the V block and just bored the hell out of it (102mm!) considering the original was a 78mm x 68mm according to wikipedia

http://en.wikipedia.org/wiki/Toyota_V_engine

Sigh wish there was more information. If I were to ever go V8 in one of my Toys, it would have be this engine, or as close to it as possible. I LOVE the classic look of those valve covers. It's like two 18RGs mated and made this beauty! :D

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http://thesupragoddess.tumblr.com/


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 Post subject: Re: Toyota 7 racecar
PostPosted: Fri Mar 08, 2013 6:06 pm 
JNC Enthusiast
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More:

http://www.youtube.com/watch?v=103mw2iPtvo

http://flatout-f1.sakura.ne.jp/page666.html

http://www.hinosamurai.org/Contents/fro ... 50423.html

http://www.2000gt.net/Toyota7/Toyota7_1.php

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 Post subject: Re: Toyota 7 racecar
PostPosted: Sun Mar 10, 2013 9:54 am 
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Joined: Wed Mar 21, 2007 11:47 am
Posts: 386
Location: Pac NW
too much different from a 3v-5v engine... for one spark plug spacing... for a 2nd the whole front cover is different

Image

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 Post subject: Re: Toyota 7 racecar
PostPosted: Sun Mar 10, 2013 7:43 pm 
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Joined: Fri Oct 12, 2007 8:57 pm
Posts: 8526
Location: Arlington, TX, USA
oldeskewltoy wrote:
too much different from a 3v-5v engine... for one spark plug spacing... for a 2nd the whole front cover is different


Weren't all the Yamaha-DOHC-head-adapted engines using different covers than their pushrod counterparts?


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 Post subject: Re: Toyota 7 racecar
PostPosted: Mon Mar 11, 2013 2:45 pm 
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Joined: Wed Mar 21, 2007 11:47 am
Posts: 386
Location: Pac NW
john wrote:
oldeskewltoy wrote:
too much different from a 3v-5v engine... for one spark plug spacing... for a 2nd the whole front cover is different


Weren't all the Yamaha-DOHC-head-adapted engines using different covers than their pushrod counterparts?


I have no :idea:

Admittedly my Toyota engine knowledge begins about 1980ish... I know a tiny bit about the 5M, a bit more about the 1G, and quite a bit about the A

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 Post subject: Re: Toyota 7 racecar
PostPosted: Mon Mar 11, 2013 3:16 pm 
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Location: Arlington, TX, USA
Oh, and similarity of spark plug placement would be meaningless if you're building all new heads. :wink:


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