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 Post subject: 94 T-Belt question
PostPosted: Wed Feb 15, 2017 10:12 pm 
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Joined: Sun Nov 22, 2015 11:53 pm
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Location: Oregon, USA
Do the timing belts on 94 swifts use a 3/4" round tooth timing belt? if not does anyone know of g family engine that does? Thanks!


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 Post subject: Re: 94 T-Belt question
PostPosted: Thu Feb 16, 2017 8:27 am 
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Location: burlington,ontario
Are you looking for a belt to fit a twincam or a 3cyl?

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 Post subject: Re: 94 T-Belt question
PostPosted: Thu Feb 16, 2017 8:56 am 
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I was going to answer but didn't want to be the first. IIRC, the early G10's had the square tooth, the laters the round. Beyond that,......

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 Post subject: Re: 94 T-Belt question
PostPosted: Thu Feb 16, 2017 11:35 am 
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In Canada at least, 92 was the switching year from square teeth to round teeth. Most all 94 with original engine will be round tooth 3/4" belt (referring to 3cyl here)

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 Post subject: Re: 94 T-Belt question
PostPosted: Thu Feb 16, 2017 4:52 pm 
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I believe 93 was the year.

Some 93 G10's are round, and some square

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 Post subject: Re: 94 T-Belt question
PostPosted: Thu Feb 16, 2017 5:33 pm 
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for verts, the mk2 90 - 91 cars had the square tooth timing belts and the mk3 82- 93 cars had the square tooth belts.

on the hatchbacks 94 was a year where they had a mid-year production change and used an upgraded idle control, the cast cam pulley, and the thin round tooth timing belt. those components sort of stayed in the system through the mk4 95 production year.

i'd say that it's a pretty common thing to find a newer production engine swapped to an older car which retains the later model timing belt and gear. i have even seen g10 engines in older cars that even had the crank sensor - there but not plugged into anything. :wink:

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 Post subject: Re: 94 T-Belt question
PostPosted: Thu Feb 16, 2017 10:07 pm 
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Sorry about that, I should have said which motor. I was asking about the G13sohc engines.


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 Post subject: Re: 94 T-Belt question
PostPosted: Thu Feb 16, 2017 11:45 pm 
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The samurai uses a 3/4inch round tooth belt. It is a 1.3 8valve engine.

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1992 geo metro the perpetual project car
1986 suzuki samurai LWB aka beth
1994 suzuki sidekick 4 door


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 Post subject: Re: 94 T-Belt question
PostPosted: Thu Feb 16, 2017 11:50 pm 
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Location: Oregon, USA
geopat wrote:
The samurai uses a 3/4inch round tooth belt. It is a 1.3 8valve engine.
I'm pretty sure the samurai uses a square tooth. That's actually why i'm asking.

i'm trying to fit a trigger wheel to a g13a (88 samurai). I bolted on g13bb oil pump, cam gear, crank gear and 97 timing belt and it all seemed to work but..... i couldn't get the timing cover back on because I was using a 1" timing belt. I'm thinking about having the crank gear machined down to 3/4", but I'd need a 3/4" round tooth timing belt.


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 Post subject: Re: 94 T-Belt question
PostPosted: Fri Feb 17, 2017 12:34 am 
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If you are careful, you might be able to let it run with no cover and gently run a knife on the belt holding it the right direction so it doesn't suck you in until it's cut down to the gear. Shut it off, pop the belt and finish the cut.

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 Post subject: Re: 94 T-Belt question
PostPosted: Fri Feb 17, 2017 8:44 am 
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Bad Goat wrote:
geopat wrote:
The samurai uses a 3/4inch round tooth belt. It is a 1.3 8valve engine.
I'm pretty sure the samurai uses a square tooth. That's actually why i'm asking.

i'm trying to fit a trigger wheel to a g13a (88 samurai). I bolted on g13bb oil pump, cam gear, crank gear and 97 timing belt and it all seemed to work but..... i couldn't get the timing cover back on because I was using a 1" timing belt. I'm thinking about having the crank gear machined down to 3/4", but I'd need a 3/4" round tooth timing belt.


Your probably right I had a 1.6 in my samurai longer then the 1.3 and the 1.6 was a round tooth belt.

Why not just source a timing belt cover from a MK4 1.3 8 valve you could probably get one new through your local chevy dealer for way less then getting the pulleys machined

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1992 geo metro the perpetual project car
1986 suzuki samurai LWB aka beth
1994 suzuki sidekick 4 door


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 Post subject: Re: 94 T-Belt question
PostPosted: Fri Feb 17, 2017 11:10 am 
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Location: Oregon, USA
Mk4 that's 1999+? I don't think the G13bb covers fit on the older motors.


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 Post subject: Re: 94 T-Belt question
PostPosted: Fri Feb 17, 2017 11:32 am 
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Mk4 is 95 to 97. They had the 4cyl 1.3 8valve. Lots of samurai guys like grabbing the aluminum valve covers off of them.

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1992 geo metro the perpetual project car
1986 suzuki samurai LWB aka beth
1994 suzuki sidekick 4 door


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 Post subject: Re: 94 T-Belt question
PostPosted: Fri Feb 17, 2017 1:01 pm 
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Joined: Sun Nov 22, 2015 11:53 pm
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Location: Oregon, USA
Mmmm id probably need to space the alternator and t belt out a 1/4 inch. But it could work.


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 Post subject: Re: 94 T-Belt question
PostPosted: Fri Feb 17, 2017 4:15 pm 
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Joined: Sun Nov 22, 2015 11:53 pm
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Location: Oregon, USA
A 94 1.3 L Swift definitely has a three-quarter inch round two timing belt. Must not be a common part, none of the auto parts stores in town had it in stock. I had ordered in


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 Post subject: Re: 94 T-Belt question
PostPosted: Fri Feb 17, 2017 5:44 pm 
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having been faced with the same task of adding a trigger wheel to generate a timing signal i came up with the astounding thought to put the trigger wheel on the front side, clear of all the belts. :wink:

Image

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1991 Blue Geo Metro Convertible highly modified 1.0L Turbo3 5 spd. - 1991 Red Geo Metro Convertible customized with a Twincam 5 spd.

My Turbo3 Project
My Cardomain Page -Ol' Blue
My YouTube Channel
My Photo Gallery
SAAB Sonett II


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 Post subject: Re: 94 T-Belt question
PostPosted: Fri Feb 17, 2017 11:08 pm 
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Joined: Sun Nov 22, 2015 11:53 pm
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Location: Oregon, USA
t3 ragtop wrote:
having been faced with the same task of adding a trigger wheel to generate a timing signal i came up with the astounding thought to put the trigger wheel on the front side, clear of all the belts. :wink:

Image


Why did you make the trigger angle adjustable? I'm Still new to megasquirt.


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 Post subject: Re: 94 T-Belt question
PostPosted: Sat Feb 18, 2017 1:26 am 
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that was the first one i built and i wasn't sure how easy it would be to dial in. given the difficulty of precisely milling the concentric slots the following units didn't include them.

now when i build them i index the missing tooth in a fixed position and make the pickup sensor adjustable by about 5 degrees to dial in tdc plus 38 degrees.

you want the missing tooth set ahead of tdc by about the same as the total advance. then you can enter the advance of the missing tooth into the tuner studio software. as long as you lead tdc it gives the electronics time to make the calculations before the ignition event(s) occur. :wink:

by the way, that's a modified 5" 36-1 trigger wheel from a ford aerostar 6 cylinder engine mounted to a 4" aluminum accessory pulley that was from 3 tech performance.

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1991 Blue Geo Metro Convertible highly modified 1.0L Turbo3 5 spd. - 1991 Red Geo Metro Convertible customized with a Twincam 5 spd.

My Turbo3 Project
My Cardomain Page -Ol' Blue
My YouTube Channel
My Photo Gallery
SAAB Sonett II


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 Post subject: Re: 94 T-Belt question
PostPosted: Mon Feb 20, 2017 10:52 am 
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Joined: Sun Nov 22, 2015 11:53 pm
Posts: 25
Location: Oregon, USA
Thanks for all the great information. I dropped off the gear to get machined down, just because that was the quickest way to get my project to move along. But i noticed the that the MK4 swifts had roller rockers? I'm going to have to post some question about this.

T3 ragtop, do have any neat cam sensors you've done?


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