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 Post subject: Engine
PostPosted: Fri Dec 11, 2009 1:21 am 
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Joined: Sat May 24, 2008 8:08 pm
Posts: 196
Location: Pit Garage
Anyone familiar with the 9R engine? Are internals similar to 18RG? Like cams, piston, con-rod, etc.


Last edited by Yayoi on Sun Jan 17, 2010 5:37 am, edited 1 time in total.

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 Post subject:
PostPosted: Fri Dec 11, 2009 8:23 am 

Joined: Sun Feb 01, 2009 5:10 am
Posts: 232
Location: Northridge, CA
No, a 9R is a 4R with a twin cam head.

Image

Image

http://www.youtube.com/v/f5Ix2P3HwPI&color1=0xb1b1b1&color2=0xcfcfcf&hl=ja_JP&feature=player_embedded&fs=1


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 Post subject:
PostPosted: Fri Dec 11, 2009 11:25 am 

Joined: Sun Nov 22, 2009 9:24 am
Posts: 23
Location: ICELAND
wikipedia

9R
The 1.6 L (1587 cc) 9R was produced from 1967 through 1968.
It was essentially a 4R with a DOHC head designed by Yamaha. The cam lobes activated the valves directly via a bucket over shim arrangement. This same arrangement was used on the 2M, 8R-G, 10R, 18R-G, 2T-G, 4A-GE and 3T-GTE engines (all designed by Yamaha).
Output was 110 hp (82 kW) at 6200 rpm and 101 ft·lbf (136 N·m) at 5000 rpm. It was a 2-valve DOHC design.
Applications:
Toyota Corona RT55 Corona 1600 GT hardtop

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 Post subject:
PostPosted: Fri Dec 11, 2009 9:58 pm 
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Joined: Sat May 24, 2008 8:08 pm
Posts: 196
Location: Pit Garage
Yup saw that one...thanks

anyone w/ first hand experience w/ 4r or 9r would like to share thier experience rebuilding the engine


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 Post subject:
PostPosted: Fri Dec 18, 2009 8:43 am 
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Joined: Sat May 24, 2008 8:08 pm
Posts: 196
Location: Pit Garage
Yup, that's a 9r. Can you PM me how much you score the engine? I think finding a period correct corona will be my choice for this engine.

Let me know what you find out about parts and internals. Oil pan looks nice.


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 Post subject:
PostPosted: Mon Dec 21, 2009 5:22 am 
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Joined: Sat May 24, 2008 8:08 pm
Posts: 196
Location: Pit Garage
The flywheel looks like a works race version? made as light weight...

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Here is a picture of a flywheel from Triumph Spitfire Le Mans race car early 60's

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 Post subject:
PostPosted: Fri Jan 15, 2010 12:48 pm 
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Joined: Thu Apr 03, 2008 2:38 am
Posts: 50
Location: Moreno Valley, California 92551
Wow, I haven't seen another one of these engines since my friend Mike Clark shipped his 1600 GT COupe back to the states. He owned a Yellow Coupe.

Cool Engine. Thanks for sharing.


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