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Posted

I was all planned to go the 1uz conversion until I just heard the l28 stroker 3.1 with mikunis...sexy as, now i don't know which way to go?

 

what route would you guys take?

 

(not a daily driver, weekends and track days)

Posted

how much did you work out a 1uzfe conversion would cost? i guess the good thing about that motor is you ever wanted more power you can get a bolt on supercharger kit :D i was thinking of doing this engine at one stage buy my mates with soarers all say the 1jz is better for its money (seems to be alot better than rb25's too, some even say rb26's), and it keeps it a straight 6 which i'd like to do, but then the bullet ss people must be onto something too...

 

where'd you hear the l28 stroker? i wanna hear one! the main plus i can see with this engine is stock insurance basically, and no need to get engineers cert...well i guess there is if u wanna do things properally but ?

Posted

The front cut 1uz is $1500 plus the turbo supra gearbox and adaptors etc from dellows $2800 then tailshaft mods, custom engine mounts and gearbox mount and whatever else you need, hoping the engineer passes all your work. I think this project scares me a bit as I've never done anything remotely like it before and the final cost worries me as well.

 

Insurance probably wouldn't worry me as I'm 32, my mum has her 240 with small block chev insured for 25k and it only costs 350 a year.

 

Anyway I hadn't heard a stroked 6 before this, and I'm just about hooked.http://www.bbgraphics1.com/73z/index.html

Posted

3.1 litre stroker L28 easily. Don't need to worry too much about engineers report (just pretend its an average L28!), and cost is probably similar.

 

If you intend to do track days, the stroker should give you a much better handling car on a circuit, as well as a lighter car, as from memory the toyota V8 is iron block?

 

And yes - that 3.1 stroker link you posted is my inspiration - everytime you watch that street driving video, get tingles down the spine.

 

These sites might help you to get a bit of an idea for whats involved:

http://www.geocities.com/row4navy/engine.html

http://www.geocities.com/inlinestroker/

http://zhome.com/rnt/3.1Cobb/3.1engine.htm

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Posted

Very difficult decision to make however things I like about the L28 are as follows.

 

Period authentic.

Naturally Aspired.

Sound of the straight 6.

Mechanical simplicity and reliability.

Parts are easily available and interchangable with junkyard parts.

No engineering involved.

Looks great in the engine bay especially with triples.

No messy wiring or EFI gear hanging around.

In general retains more resale value.

 

However all those things are nice, but it's not the cheapest way to go. To build such an engine like those videos cost the guy like $10,000 US it's probably going to cost me around the same for my Z and my stroker.

 

I guess that's why I'm still trying to decide if I should go turbo or stroked L28 N/A.

 

 

:roll:

Posted
i believe the 1uzfe is aluminium' date=' it also has dual DOHC (dohc's on both sides of the v) or something like that and 32 values. in the like only picture of it in a zed on the net it sure looks nice, and so does this car for an mx5[/quote']

 

1UZFE is definately all alloy and is also quad cam. The 'F' in the engine model ID indicates that is a narrow valve angle, scissor drive DOHC design in Toyota 'speak'. One cam (inlet) on each bank is belt driven, with the second cam (exhaust) driven by a central gear arrangement linking the cams. This gives a more compact overall engine design.

 

Because the engine is all alloy, it probably comes in close to the weight of an L28, or even lighter. Since it is also shorter than an L6, the V8 can be positioned in the engine bay to give a better weight distribution, but sump design is a restriction.

 

Personally I'd go the V8, mainly because I think the stroker L28's are a waste of money (comparing $$ spent with performance gain)......and I'd take fuel injection over carb's any day. no matter how good the carb's might look (unless you have both like I do :) )

Posted
is your mum married????

 

Ha ha, sorry mate, shes married and I have tried to buy the car off them but they said they will never sell it(maybe i will inherit it :D )

 

I saw a list of engine weights with gearboxs not long ago and from memory the 1uz was about 50 or 60 pounds lighter than the l28, we will try and mount it back as far as we can so that means fabricating something so the mounts are on the rails.

Posted

i wouldn't say the stoker is i waste of money, i think its the best option to do with an L series (since we're not in america), the only issue i have with it is since you've already done basically everything you can do to it, what can you waste your money on after it? :D

 

where as with an engine swap you can spend the same sort of money initially and then go from there

 

if only the supercharger kits for 1uzfe's were cheaper...

Posted

one of the worst things about the L28 is the Non X-flow head and the cam, have you thought about a 2jz conversion?? i have no idea if it will work (efficently) just throwing up some ideas

Posted

The L head is very good for what it is. But, yes it is still a non x-flow SOHC 2vpc head.

 

A stock short blocked'd 2JZ 240Z just went 10.6 @ 136(!!!!)MPH in the states.

 

With a 1.9 60'. That is madness.

 

Dave

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