quick n stuff
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| posted on 15/11/06 at 03:26 PM |
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4age engine
Hi i am going 2 use a 4 age engine for my locost with gsxr 600 trottle bodies and mega squrit to run it all. i all redy have a ignition module that
will contole the spark. Has eneyone done this befor and did you hit eney problems.
also is there a manifold u can buy to fit the trottle bodies.
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James
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| posted on 15/11/06 at 04:06 PM |
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Firstly... you'd be better posting Megasquirt questions in the EFI section...
Secondly.... yes, pretty sure I've read of others using 4Age with Megasquirt.
Thirdly... If you use Megasquirt&Spark-Extra then it'll do spark aswell and you can ditch the ignition module... you only need some
coils.
HTH,
James
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"The fight is won or lost far away from witnesses, behind the lines, in the gym and out there on the road, long before I dance under those lights."
- Muhammad Ali
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quick n stuff
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| posted on 15/11/06 at 04:23 PM |
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wups good call 
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robinj66
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| posted on 15/11/06 at 11:12 PM |
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Excuse my complete ignorance but what is a "4 age" engine?
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tks
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| posted on 16/11/06 at 06:44 AM |
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mhhh
its the engine from the toyota corolla.
dunno wy it called 4AGE (maybe because there where 4 versions??)
RAW power is the tuned version of it...
Tks
The above comments are always meant to be from the above persons perspective.
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James
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| posted on 16/11/06 at 09:14 AM |
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quote:
Originally posted by tks
its the engine from the toyota corolla.
dunno wy it called 4AGE (maybe because there where 4 versions??)
RAW power is the tuned version of it...
Tks
Not just the Corolla. The MR2 as well and a bunch of Toyotas all have very similar variants of it.
Good engine AFAIK, 1600cc, 125bhp(?), light, tuneable, revs high etc. etc.
Only difficulty is RWD gearbox but as TKS says you can get a gearbox from a Toyota Corolla or get a bellhousing for a Type9.
Cheers,
James
[Edited on 16/11/06 by James]
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"The fight is won or lost far away from witnesses, behind the lines, in the gym and out there on the road, long before I dance under those lights."
- Muhammad Ali
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02GF74
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| posted on 16/11/06 at 11:06 AM |
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whilst we're on the 4age engine, anyone know how it comparesto crossflow heightweise? measurement I'm interested in is centre of crank to
top of cam cover, assuming the cam cover is the highest point, ignoring any bits that can be relocated elswhere.
and exhaust would be on passenger side?
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Pete Jordan
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| posted on 17/11/06 at 12:34 PM |
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Hi,
I've got a 4AGE for my MK Indy and I've checked the height; it's 410mm from crank centre to the top of the oil filler or about 600mm
from the bottom of the standard sump to the same point. Finally, yes the exhaust does come out on the passenger side.
regards
Pete
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thomas4age
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| posted on 18/11/06 at 05:20 PM |
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Regarding the gearbox,
You can either use a Toyota T50 5 speed gearbox, that's from the toyota Corolla Coupe GT twin-cam that's the ONLY rwd corolla with the
5speed. pretty cheap if you can find them.
I've heard from numerous people that these won't do well with anything above 135hp, but mines coping with 160+hp from a 4age 20valve for
over 4000km now and doesn't complain at all,
there's one small problem in a striker,
the hydraulic clutch and fork tends to stick into the tunnel. but only 1/2 inch or so. and the striker tunnel is the smallest there is methinks.
you can however also call Raw and have them send a ford T9 conversion bellhousing to you which uses a zetec plate and toyta presureplate. T9 hase the
clutch fork on the passenger side
the T50's shift is however heaps slicker than the t9's,
the 5th in the t50 is short on 4th, but on 13" wheels with a 3.9diff you'd be able to do 198km an hour in fourth...... enough methinks
T50 is lighter than the T9 also, being alloy.
a fully dressed 4age 16v was the same (let alone a kilo or 2) as the xflow it replaced but the box was lighter than the ford 4speed.
the engine family that the 4age belongs to is the 4A family.
there's also the later 4aFe, which is the economy serie of the 4aGe.
and the 7A-FE family on which the 4age bigport-head(early version) bolts up, creating a 1800cc 4age (nicked 7age) to create a torque thing instead of
a revy one.
grtz Thomas
[Edited on 18/11/06 by thomas4age]
If Lucas made guns, Wars wouldn't start either.
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bimbleuk
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| posted on 19/11/06 at 03:23 AM |
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quote:
and the 7A-FE family on which the 4age bigport-head(early version) bolts up, creating a 1800cc 4age (nicked 7age) to create a torque thing instead of
a revy one.
Add the mr2 roots blower and you end up with a 7AGZE! I built a 7AGE about a decade a go, later the GZE.
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thomas4age
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| posted on 19/11/06 at 01:48 PM |
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Question Blimble,
Did it stay in one piece? and which rods did you use?
I've heard that the 7afe internals, are pretty weak, but never tried?
grtz Thomas
ps maybe the 20V head fits aswell???
grtz Thomas
If Lucas made guns, Wars wouldn't start either.
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bimbleuk
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| posted on 25/11/06 at 03:21 AM |
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Sorry didn't read your response.
I used all stock parts so 7AGE bottom end with 4AGE pistons. No issues with reliability even when supercharged and running over 200BHP. I sold it
after 2 years and it lasted another 2 years in an MR2 mk1 till it suffered oil starvation on one of the main bearings.
Possibly the weakest point was the bolts Toyota used to hold the flywheel on. they weren't a very good fit and the flywheel wasn't propery
dowled so I had some interference bolts made up to fix this.
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