WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE

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Post
kameleon
Supporter
2010/02/05 00:09:28
everyone has seen some of the stuff made for WRC over the years, be it Toyota or not. going to use this thread to post some stuff up.

first post is the alternator bracket redesign for the ST205 engines they used. they used dry carbon to make the bracket, awesome stuff indeed!



Bionikal
MR2 Scholar
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/02/05 09:18:08
Why they didn't make something similar out of a different material for the production SW20 is beyond me.
Whore of Babylon
MR2 Aficionado
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/02/05 09:22:39
why more stuff on the SW20 isent alloy is baffling.
RobYob
MR2 Aficionado
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/02/05 09:40:18
Because alloy used to be way more expensive than cast iron.
kameleon
Supporter
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/02/05 15:05:59
Next up is the sump from a rally 3S engine, they don't seem to use a dry sump like the JGTC engines. Is this something to do with regulations? i don't know.







It has a bolt in baffle and gauze too.
kameleon
Supporter
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/02/05 15:19:07
Next JGTC type sump, setup for dry sump and made from Magnesium unlike the alloy rally type unit above.

also notice whilst not totally seperating each cylinder (touring car engines have seperate sump sections per cylinder to minimise losses etc) they have baffles in a odd box shape that you cannot see per cylinder, i don't have any pics with the windage tray out but this would be interesting to see.









Bionikal
MR2 Scholar
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/02/05 16:00:54
thats awesome!

where do you find these ?
kameleon
Supporter
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/02/05 18:04:22
funnily enough i found all these on yahoo over the past year.

ive got some more to add soon.
kameleon
Supporter
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/02/05 18:19:38
Some other interesting things to note is the compression ratio differences of the rally engines versus the "503E"

8.2.1

vs

7.0.1

interesting stuff since they both run restrictors.

the Lemans setup 503E's made 680hp on what they call a CT26R which i will find and post soon.

also the 503E is 2140cc instead of 1998cc in most cases

WIDEMR
MR2 Deity
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/02/05 18:29:38
Ill take the alt bracket!

Thats i thing on my cars diet list, simular to the hux racing one, next time im at dads factory (he has hundrewds of alternators and brackets from all cars) ill see what i can make up.
kameleon
Supporter
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/02/05 18:54:44
Nobody seems to know much about this but it's a 503E engine fitted to a SW20. To me it looks like they just fitted it inside the shell. If anyone knows if it actually is running around with this engine thatd be awesome.


kameleon
Supporter
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/02/05 18:56:04
quote:
Originally posted by WIDEMR

Ill take the alt bracket!

Thats i thing on my cars diet list, simular to the hux racing one, next time im at dads factory (he has hundrewds of alternators and brackets from all cars) ill see what i can make up.



im planning the same now i have a garage. Show us what you make up though.

ps. good to see your back working on the MR2!
kameleon
Supporter
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/02/05 19:58:08
Why did Toyota dominate rally but then get banned:(

This is why....

EA99
MR2 Enthusiast
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/02/05 21:13:13
I've always wondered how they did it! Thats pretty ingenious! :O
Bionikal
MR2 Scholar
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/02/05 21:14:14
hmm yeah that diagram lost me.

I do like the arrows that add up to 100 * ? %
dasic1
Moderator
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/02/05 21:21:04
looks kike they bypassed a 34mm restrictor
kameleon
Supporter
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/02/05 22:44:20
in simple terms there was no restriction:)
kameleon
Supporter
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/03/05 22:53:30
JGTC

Bionikal
MR2 Scholar
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/03/05 23:14:14
They don't feck around do they?
Huge timing belt cover, wonder what its hiding?
That exhaust isn't anything short of chunky!
That turbo is a bit strange too, wouldn't mind a look at that.
kameleon
Supporter
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/04/05 00:13:24
more gear off the front might be the reasoning.

Knightrous
MR2 Deity
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/04/05 01:06:27
Is it just me, or does the exhaust housing on that turbo look like alloy?
kameleon
Supporter
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/04/05 01:18:37
sure does but it wouldn't be.
evo65m
MR2 Enthusiast
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/04/05 08:09:25
The JGTC engines also ran Quad Throttle bodies and a carbon plenum

Cheers
Daniel
Bionikal
MR2 Scholar
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/04/05 08:52:03
I thought the intake was transparent at first :p

Nice brace for the idler bearings, 5 bolts for the adjustable cam gears.


Whats the wierd sprocket on the left of the crank pulley?
-Totenkopf-
Moderator
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/04/05 09:13:15
Dry sump pump at a guess.
just_ace
Moderator
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/04/05 09:26:17
so where do i buy one and how much...

and tot's that would be a well educated guess/whatthehellelsewoulditbe guess....
-Totenkopf-
Moderator
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/04/05 09:34:57
Haha, it could also be a mechanical fuel pump, however, I notice its got a very shallow sump, and the dry sump pump isn't mounted elsewhere.
MR2QIK
MR2 Deity
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/04/05 09:36:32
Awesome thread!
2hardtop
MR2 Aficionado
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/04/05 10:27:58
no timing belt tensioner
Bionikal
MR2 Scholar
RE: WRC/TTE/IMSA/LEMAN/JGTC 3SGTE/503E engines,UPDATE 2010/04/05 10:57:36
Would be a beach to fit the timing belt!

Wonder if its a mechanical tensioner hidden somewhere else then? My mechanic thought the early 3s was mechanically tensioned. Could be wrong though.
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