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I have touched on this on my new car thread and had some help, so thanks and sorry i'm repeating myself a little. Its an early MR2 ('85) so its slightly different to the later ones ('87 onwards). It needs a new headgasket, not exerienced with mucking about with engines, so this is where I learn! so from what I have seen and heard already, I have an idea where to go with this, basically the engine is dismantled (carefully), head checked, skimmed etc, everything is cleaned with mr muscle! ;D then carefully slung back together, (i realise its not as easy as it sounds!). So I cant see me affording a modern 20v, £900 one is for sale for plus the wires scare me, and a mk2 engine install will be approx £2700!  so thats out for now! So is there any worth while things I can do on rebuild, cams etc  other worthy bits to replace on rebuild? thinking about some lairy simple exhaust aswell, motobike stuff any use to me? remember i'm new to all this! I could look at throttle bodies etc but not armed with the kerknowlege that scares the pants off me, so what we are looking for is rebuild deluxe, what do you suggest? I just read Big Yins Ae86 thread and boggled by the spec, so thought i'd ask if anyone had suggestions or experience. Cheers  |
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 it doesn't matter if it's a Morris Marina or a Toyota Celica - it's what you do with it that counts  |
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MWF
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What do you intend to do with it?
I mean do you just need an engine or do you want to tune it? Think hard about that because thoughts like that usually have a lot of money attached to them.
If you want to run it hard then imo try to dig up where these engine fail. I don't know anything about them. There may be cheap easy bits you can do now while it's all in bits such as con-rod bolts or oil baffling maybe.
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archieboy
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Volvo Amazon 2 door
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Cheers. that link will come in handy!
Yeah I guess I want to get it going, if i'm honest the old white one does not set ya pants on fire (partially cos i need to sort that clutch, stil a fair bit of fun on twisties and corners though, so any extra power that can be gained will be great. I'm not planning on going mad on it at this early stage as I have my other project for big(er) power.
I can ask at MR2 club where its often "cost too much to tune", thats not all they'd say BTW I will ask there too nearer the time. I just thought i'd see out side the box if the gang here have any gems of advice while i'm crafting teh masterplan. MWF you are right though, a strong engine with fair power is good, at least it should be reliable. It will be just for mild fun and non serious fun trackdays.
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it doesn't matter if it's a Morris Marina or a Toyota Celica - it's what you do with it that counts |
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MWF
Posted a lot
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Well imo the fastest and most fun engines are ones you can abuse to your liking with no worry something expensive is going to go wrong.
Personally I'd be tempted to just build it all back up near standard and save your money for some petrol, oil, decent suspension and tyres, then get out on the road/track and enjoy it.
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Well imo the fastest and most fun engines are ones you can abuse to your liking with no worry something expensive is going to go wrong. Personally I'd be tempted to just build it all back up near standard and save your money for some petrol, oil, decent suspension and tyres, then get out on the road/track and enjoy it. Fair enough! agree there. all the time in the world to do something mad with it later....  Also: Pondering a slight diet, and its already a lighter car than the later one. |
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it doesn't matter if it's a Morris Marina or a Toyota Celica - it's what you do with it that counts |
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all I know (and own a 4age) is that if you want proper gains in power from one, you need to spend the cash! check out here www.billzilla.org/4agstock.htmI am adding throttle bodies (cost £400 second hand from Japan) plus a after market ECU (VEMS £700) Also, I have a aftermarket exhaust (£300), HKS manifold (about £480) after market clutch/flywheel. (came with engine!) All above is for AE86 All this is on a early (large port TVIS - like in mk1 mr2) and it wont be much quicker. If you want bang for buck don't bother with a n/a 4age, go and buy a 4agze and have mucho power. I owned a 4agze powered AE86 and have had 2 more n/a powered ae86 and the 4agze is amazing compared to it!! |
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Great advice, and although most of it points to the same conclusion, i really feel like some of it is going in! I realy feel like i eventually need some bonkers turbo or super charged power but i can wait for that down the line, for now i'll keep it real and do a standard build up and spred the budget out on anchors and suspenders and keeping/making it nice. I have a mate local who has gone the throttle body route, i have not got to go in it yet as he's had a string of other disasters since!  his engine is coming back fixed soon!  Massive thanks as usual. |
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it doesn't matter if it's a Morris Marina or a Toyota Celica - it's what you do with it that counts |
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DutyFreeSaviour
Europe
Back For More heartbreak and disappointment.....
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I had one of the early ones - with factory towbar! I found a mountain of stuff through this lot : www.mr2mk1club.com/If they don't know - you're in the wrong galaxy! Great little car - best of luck with that. On mine - the oil changes were ignored before I got it - so cams were needed. Then repeated thrashing killed the big-ends.......... but that was my heavy right foot to be honest! ;D |
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Back from the dead..... kind of
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Cheers GTVS, i'm a regular pest with them lot! that site is often forgotten, its a good reference point. Thanks for all the links some useful reading in there The 20v option! fixing the 16v would be cheaper obviously and i'm bound to learn more. |
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it doesn't matter if it's a Morris Marina or a Toyota Celica - it's what you do with it that counts |
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st182
Part of things
'yota man
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Just remember that swapping certain engine parts have hidden extra costs...... EG if you drop some cams in, your likely to need uprated valve springs, and new shims (i think these engines run shim and bucket type solid lifters) all which escalates the costs dramatically. Do your homework and all will be well- and remember the most important thing- keep us posted! |
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Dan  '93 JZA80 '79 TA40 '99 SCP10 |
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I feel i need to do a LOT of reading! , and a bit of getting mucky along the way, plenty of time to get into it though, its on the end of the conveyor belt at the mo! My main logic just came from the fact that i'll be either in the engine, or swapping it, so pondered any trinkets i should fit along the way, seems it not that simple  |
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it doesn't matter if it's a Morris Marina or a Toyota Celica - it's what you do with it that counts |
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When I got my AE86 (in 1995 ) Fensport were one of the main places in the UK for tuning bits for the 4AGE. Their price list for tuning gubbins used to have a BHP increase as tested by them on a rolling road. Now this is me working from memory here so I stand to be corrected but, Splitfire Sparkplugs plus JR air filter, gave a 10BHP increase (I know that sounds a lot but it was susposed to be genuine). I did notice a difference when I had this on mine but whether it was 10bhp I couldnt say. ECU gave 8bhp in the midrange but nothing top end. Standard exhaust manifold (in an AE86) was used in the works touring cars and was good for upto 220bhp. Full Janspeed system gave 6bhp increase. At the time they also did a cylinder head which with cams and the ECU gave around 150bhp and that was about as far as they could go at the time with the standard injection. Around the same time as this there was a sunbeam in CCC with a 4AGE running this head and cams with twin Weber DCOE`s running the standard ignition this was producing a strong 180bhp. One other point I would make is use a decent synthetic oil. When I had mine I always ran it on Castrol R . I wouldnt recommend a mineral as generally they don't like being run above 6000RPM and to enjoy the 4AGE properely you need to be taking it to 7500 This one was putting out around 185bhp but I couldnt really find out the spec. My mate was translating for me but unfortunately he knows nack all about cars, and the lad whose car it was didnt speak any english, all I know was it had had headwork, cams, ECU and conrods. Damn fast though. If I had had £3000 it would have been mine   |
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Snoozin
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Toyophile
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Sorry, kind of OT, but in James' post, that Corolla in the first image has run a 10.5 sec quarter mile!!!
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Sorry, kind of OT, but in James' post, that Corolla in the first image has run a 10.5 sec quarter mile!!! Blimey! Some absolute gems of info here. thanks for that info PheonixC, they are still big in the game i think www.fensport.co.uk/products.htmalthough some mixed feedback has come up recently on IMOC. |
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it doesn't matter if it's a Morris Marina or a Toyota Celica - it's what you do with it that counts |
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Snoozin
Posted a lot
Toyophile
Posts: 1,557
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www.forums.toyspeed.org.nz - we have a lot of resident 4AGE nuts on there, may be of some help to you! Also a lot of AW11 MR2 freaks as well, with engine conversions ranging from 20V 4A-GE's, 3VZ-FE V6's, 3S-GTE 2l turbo's, and even a 1UZ-FE quad cam V8!!!! Edit: Sorry the site is down at the moment
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Last Edit: Feb 6, 2007 23:04:02 GMT by Snoozin
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I'll check up when i'm ready for my tech overload! cheers, there is a wealth of info out there. what would you do snoozin, i guess i want the antidote to my v8 sierra, a little revvy pocket rocket! which is what it is for starters so i'm already winning there! |
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it doesn't matter if it's a Morris Marina or a Toyota Celica - it's what you do with it that counts |
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so thats out for now!
other worthy bits to replace on rebuild? thinking about some lairy simple exhaust aswell, motobike stuff any use to me?
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his engine is coming back fixed soon! 
