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Author Topic: G8T ENGINES what are the differances ???? 706/790/752/794  (Read 6696 times)
ESPACED
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« on: March 02, 2008, 12:06:08 pm »

Hi Guys,
as some of you are aware, a short time ago i was trying to remove my engine very late 1997 early 1998 espace  all that is done now.
Have taken head off and been told that the botom, part of the engine is a gonna...
rang a few places to repair/replace pistons etc but most tell me its not worth it..
So now looking for 1, a complete engine or 2 just a bottom half.

But when looking  to buy an engine or part of,  there are lots of differance versions like 706/ 790/752/794?HuhHuh
Mines a G8T 706 and I what to replace it with the same engine so all the electrical sockets / components etc will find there places
can any one give me advise on what are the differances?Huh
also will the laguna 2.2 turbo Diesel engine be the same as an espace??? or are the driveshafts differance etc Huh??
please need help and advise so I can get my espace ready before the summer is over... as its just round the corner,
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Anders Dinsen
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« Reply #1 on: March 02, 2008, 01:46:41 pm »

It's a mystery, I agree!

I did some investigation once about the types of F3R (2.0 8v petrol) engine, which my former JE was equipped with, and never found out what the differences were. some of the differences are just minor updates, while other differences are major.

I think there is an G8T without a turbo and that was the one that went in the Laguna - one of those would be of no use to you.

But.... our Norwegian friend Tom "renaultbiler" has a database of engine types on his website: http://www.renaultbiler.no/renaultdata/hent_motordata.php

According to his list, there are three numbers used in the 2.2 dT espace: 714, 716, and 718.

- Anders
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'82 Murena 2.2 prep 142
'01 Grand Espace 24v
'08 Smart Fortwo 0,8 cdi
renaultbiler
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« Reply #2 on: March 02, 2008, 03:53:07 pm »

One other thing i found out is that if the 3 digit suffix ends with an even number (0,2,4,6 etc) the engine is fitted with a manual gearbox (normal flywheel and clutch etc), uneven final number (1,3,5 etc) is fitted with automatic transmission (converter etc)

so 727 is with automatic transmission while 714 is manual

Loads of small differenses but i suspect like Anders mostly small things in addition to electronic issues from ECU to engine components. Those might be the biggest pitfall with most head-scratching.

Also - the same engine (example L7X) has its own suffix (or suffix series) in each model its fitted to - so a L7X fitted in Espace has a different suffix than those fitted in the Avantime, Laguna and Safrane....
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1980 Alpine A-310 w/GTA 2.5 V6 Turbo
2000 Grand Espace V6 24v Initiale: http://www.renaultbiler.no/forum/viewtopic.php?id=2529
2000 Scenic RXi 2.0 16v IDE aut DP0: http://www.renaultbiler.no/forum/viewtopic.php?id=3751
1982 R20TX 2.2
Service Online: www.servicehefte.net/servdata/?cid=qqkX
Anders Dinsen
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« Reply #3 on: March 02, 2008, 04:40:31 pm »

Also - the same engine (example L7X) has its own suffix (or suffix series) in each model its fitted to - so a L7X fitted in Espace has a different suffix than those fitted in the Avantime, Laguna and Safrane....

I don't know about the Laguna and Safrane, but the L7X in Avantime is not the same as the one in Espace JE0G - and this is not only because the Espace version is coupled to the automatic ZF gearbox and the Avantime is either a six speed manual box or a 5 speed automatic: The Avantime has the newer generation of this machine with variable valve timing and lightly higher power output.

Apart from that, I agree with you Tom Wink
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'82 Murena 2.2 prep 142
'01 Grand Espace 24v
'08 Smart Fortwo 0,8 cdi
ESPACED
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Posts: 41


« Reply #4 on: March 02, 2008, 09:41:48 pm »

well from the engine codes it looks like I have a laguna engine in my espace?
totally confuesd!!!
but what i don't understand is that code G8t 706 is showing a non turbo but mine has a turbo?
totally lost now?
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renaultbiler
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« Reply #5 on: March 03, 2008, 07:08:37 pm »

Also - the same engine (example L7X) has its own suffix (or suffix series) in each model its fitted to - so a L7X fitted in Espace has a different suffix than those fitted in the Avantime, Laguna and Safrane....

I don't know about the Laguna and Safrane, but the L7X in Avantime is not the same as the one in Espace JE0G - and this is not only because the Espace version is coupled to the automatic ZF gearbox and the Avantime is either a six speed manual box or a 5 speed automatic: The Avantime has the newer generation of this machine with variable valve timing and lightly higher power output.

Apart from that, I agree with you Tom Wink

well, thats what i mean with different suffix - its all because of different adaptions and various differenses on the same basic engine
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1980 Alpine A-310 w/GTA 2.5 V6 Turbo
2000 Grand Espace V6 24v Initiale: http://www.renaultbiler.no/forum/viewtopic.php?id=2529
2000 Scenic RXi 2.0 16v IDE aut DP0: http://www.renaultbiler.no/forum/viewtopic.php?id=3751
1982 R20TX 2.2
Service Online: www.servicehefte.net/servdata/?cid=qqkX
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