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Import Sierra Turbo

Tech Talk for Suzuki owners.

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Import Sierra Turbo

Post by 83zook »

I was looking on the trading post and found this dont know if its genuine.
http://www.autotrader.com.au/iteminfo/a ... Used+Cars_
Mitch
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Post by Gwagensteve »

Yes, the description is right, the photo, however, is of a subaru SV-X or Outback flat 6 engine.

I have one at home.

Engine is a 550cc (F5A) or 660cc (F6A), single overhead cam, two valve per cylinder, cast iron block, EFI turbo.

They run about 8PSI boost, rev to 6500 rpm, make 44-47kw depending on year and around 80nm of torque.

engine will bolt into a 1.0 with minor changes to the gearbox crossmember.

Gearbox is a 5 speed with a 4:1 first gear (stock 1.0litre is 3.1:1)

These motors are an easy swap into a 1.0 and have very simple EFI (runs in open loop only- no oxygen sensor) and provide a useful increase in gearing, power and torque for a 1.0.

The cappuccino version runs DOHC, and O2 sensor and 9200rpm rev limit.

However, they are not a legal conversion as there is no ADR compliant emissions information for them, even though they are miles less polluting than and 1.0litre.

However, if you are still keen, once you get all the accesories and mounts that come with that motor, you can move up to a late K6A (alto/Jimny/late cappuccino) which is all alloy, DOHC runs proper closed loop EFI and a knock sensor so can be leaned on to make real power.

I have been for a ride in an F6A cappuccino that had 180hp :shock:

I have done a conversion of a cap motor into a 1.3 WT, and have another one on the go. the cap motor conversion went very well. reliable, powerful and heaps of fun.

PS whole 550cc sierras have been coming in on the 15year import rule, but A)they were really expensive - $9-10k and diffs, transfer etc were all garbage as they are unique (alloy centred 5.38 front diff in 1.0 size, anyone?), NT and much lighter than 1.3 stuff.
[quote="greg"] some say he is a man without happy dreams, or that he sees silver linings on clouds and wonders why they are not platinum... all we know, is he's called the stevie.[/quote]
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Post by Highway-Star »

I saw that a couple of days ago on the TP. I thought that whoever put the ad up had had too much to drink or something, because the photo sure as hell doens't look like a Sierra engine bay.

But then again I have heard of turboed SJ's in Japan, and they were probably just too lazy to put the approriate photo up.

$1500 for a half cut, would it seem they arn't that valuable, or not selling terribly well? I think for all you 1L owners out there a 1.3L conversion (1.6 even better) would be a far better idea; turbo it later if you want forced induction.

5.38 Diff !!! Thats obscenely low, Theres a line, and I think that it may have been crossed. 5.12 diffs in a Sierra is low enough. If these C&P were usable on Sierra centres, wouldn't they be terribly week with that many teeth on such a small crown wheel, the teeth would be quite narrow?
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Post by Gwagensteve »

$1500 is about the righ price for a "conversion" rather than replacement motor/cut

1UZ-FE's, even 1JZ's are around this money because they aren't a bolt in for anything, so that's the going rate, even though they are "expensive," pwerful motors (and there is plenty of supply and, limited demand)

A bolt in conversion or a direct replacement for an australian market motor will be exxy, especially if there is strong demand, which is 1.6 efi vitara cuts are still $$$ (and dearer than a lexus V8!)

Bear in mind that the 550/660 sierras had to fit the japanese "kei" car class so power is limited to 44/47kw depending on year, they run 16X4.5 rims (nt with no flares) and weigh far less than 1.3 sierras.

There are heaps of these little 660 cars in japan running stock diffs, but they tend to run no bigger than 7.00X16" tyres so they live fine.

the architecture of these little 1.0 sized centres allows very short ratios - the base architecture for these diffs was the lj50 which ran 4.88 stock, not the 1.3 which was designed for 3.9 originally.

Recommending a 1.3 or 1.6 into a 1.0 is missing the point. A 1.3/1.6 is a big conversion - tunnel clearance, mounts, radiator/shroud spacing are all issues and compare the cost of an EFI 1.3/1.6 conversion to a 660 where everything required except the fuel pump is on the cut, including WT dash, boosted brakes (and often aircon and power steer)

Don't knock the 660 unless you have driven one, they are heaps of fun - much better to drive than a stock 1.3.

You also cant compare the durability of a stock iron blocked motor designed to run boost to a turbo converison on a 1.3 or 1.6.

Greg's cap motor was bought with about 80,000km on it, flogged mercilessly for three years, (and with more boost than stock) and has never requried any work at all, all for less money than you could ever hope to get just the turbo conversion parts for.

I know the 660 won't make the power of a turbo 1.3 or 1.6, but Greg's car never lacked power off road and was a fairly heavy sierra, and we never scratched the surface of its tuning potential.

In any case, a turbo 1.3 or 1.6 (or even an import efi 1.6) won't necessarily be any more legal han a 660 conversion.

I'm not having a go, many people dismiss these motors based on their capacity and they are worth a look.

Steve.
[quote="greg"] some say he is a man without happy dreams, or that he sees silver linings on clouds and wonders why they are not platinum... all we know, is he's called the stevie.[/quote]
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Post by droopypete »

I have 1.6 in my realitivly light (at the time) zook, and on a quiet back road near king lake, Greg and I (in our respective vehicles) had a bit of fun* :) my car was more powerful than Greg's, but geeez not by much, and when you consider I had almost a liter more capacity I was very impressed.
A 660T is well worth adding to the list of potential conversion options.
Peter.

* above mentioned road was closed to the public during the filming of this stunt sequence, vehicl3es were driven by qualified precision drivers, please don't try this at home, seat belts save lives, don't drink and drive, no animals were harmed in the making of this post, all models over 18 years of age, overseas models shown.
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Post by Highway-Star »

Gwagensteve wrote:Don't knock the 660 unless you have driven one, they are heaps of fun - much better to drive than a stock 1.3.
Give me one to drive, and I'll tell you if its fun! :)

Thats cool, I wasn't knocking the motor, It just doesn't make sense to me, to put this engine in, when a 1.3 or 1.6 has better aftermarket parts availablitity (and maintainence parts).

Another question, are these little engine still 2-strokes, or was that idea completely scrapped by Suzuki after the LJ50? One of these engines sounds like a lethal conversion for an LJ50, and with the 5 speed tranny, that would be an added bonus. (Just in case: No I'm not buying an LJ50, just speculating).
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Post by Gwagensteve »

No, they're four stroke engines.

Who says a 1.3 has better aftermarket parts availability? Have a look at apio in japan - there's heaps of junk for the F/Kseries engine, even before you get into the big tuning companies such as trust/Greddy, HKS, etc.

Even suzuki offer factory parts for these motors up to 135HP - changeover injectors, ECU and turbo.


Even the "best" versions of this motor are not over $2k as a cut from a cap or a alto - that's way below rebuild cost on a 1.6.

Clutch, timing belt and other service parts havn't been a problem in australia.

For me, it doesn;t make sense to do heaps of work to put a 1.3 in a to a 1.0 to have the same HP as a 660, less gearing, no EFI, less usable rev range and a PITA carby.

compare conversion costs to an efi G series motor G13BB and the 660 makes even more sense if your not worried about enigneer approval or don't want an auto.

I'm not knocking a 1.6 or even a G13BB 1.3, but into a 1.0litre, a 660 is a very nice alternative.

Greg's cap motored 660 was drivable on the highway with a series 3 RH, 5.12's and 34 swampers, yet had 120:1 low 1st gear and 9200rpm of revs to use. It was dynamite off road in a way not matched by any 1.3 or 1.6 I have come across.

Steve.
[quote="greg"] some say he is a man without happy dreams, or that he sees silver linings on clouds and wonders why they are not platinum... all we know, is he's called the stevie.[/quote]
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Post by Guy »

I guess the $$ come from the other mods needed, a 1.6 with an S3 T/case gears and 5.12's (plus the cost of fitting) is going to add up.

What is the torque like without gears to run a common larger tyre like a 31 ?
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Post by Gwagensteve »

No idea, I think it would suck without 5.12's. They need to be shorter geared than a 1.3/1.6

Greg's ran series 3 RH, 5.12's, 34's, and series 1 RH, 5.12's, 34's

It was better on road with the series 1 RH as it loaded the car better in low gears - made the turbo work.

But a 1.0 with a 1.0 case or a 4:1 transfer and stock diffs (4.1) should be fine with about a 31- they have more power and torque than a 1.0

With 4.6's or 4.88's from an LJ it would be apples I think.

Steve.
[quote="greg"] some say he is a man without happy dreams, or that he sees silver linings on clouds and wonders why they are not platinum... all we know, is he's called the stevie.[/quote]
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Post by cutzook »

when it comes to a 660, its not the size of the dog in the fight, its the size of the fight in the dog. they are an extremely good little motor. sure, they are not going to produce hundreds of horse power. but they are definately a great motor. i have driven to sierra with the 660 in em.
1 had S3, 5.12s and 33 mongrels, went brilliant on and off road.
the other was LWB with 4.88s and 30s. was alright but gearing could of been improved



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Post by bigmick »

ahh where can i get 5.12s :shock: for my siera.
sounds like a top little conversion.
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Post by flyinwall »

bigmick wrote:ahh where can i get 5.12s :shock: for my siera.
sounds like a top little conversion.
mick
from a vitara front diff
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Post by Gwagensteve »

Couple of little bits of tech -

Mick - don;t know how much fab you are up for, but 5.12 ratio's don't fit 1.0 diffs, so you would have to go to NT/WT 1.3 axles.

I am going to 5.12 vitara rear centre in the rear, full float and discs with sierra front calipers.

front will be WT with a rear airlocker and 5.12's and double tough axles.

If you are up to doing it the hard way, this *might* be strong enough - I will be running this combo with Q78's and a 660, but a few of us down here doing this set up and will be trying a range of different motors/gearbox/tyre combos.

Wouldn't be a s strong as MQ though, especially in the rear.

Other tech- the 660 5 speed/4:1 first gear gearbox is NOT a bolt in behind a 1.0 even though both motors are "f" series engines.

Steve.
[quote="greg"] some say he is a man without happy dreams, or that he sees silver linings on clouds and wonders why they are not platinum... all we know, is he's called the stevie.[/quote]
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