12v Timing Chain: If you had the Option would you?

[JasonC]

how about a noisy gear drive!!!! :p

[SpecM]

possibly but which ones?

the majority of toyotas use chains like from corrolas to camrys to tundras.

It is possible the v6 in camrys is a belt.

definitely part of the chain movement.

some chains do last forever like on toyota trucks. Never a belt in toyota truck

The new (from 06+) Toyota 3.5 in Camrys/Avalons are chain-driven

And actually Tundras with 4.7 v8 are belt-driven


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[stamar]

The new (from 06+) Toyota 3.5 in Camrys/Avalons are chain-driven

And actually Tundras with 4.7 v8 are belt-driven


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i looked it up, look at the pdf. the only toyota in 2012 with a belt is the 4.7 liter v8 in tundras and sequoias.

(Unless, they invented a new belt driven engine after 06)

what I like though is most of the newer belts are 90k belts, not 60k like ours.

A 90k timing belt just aces it for me. some sort of 10 year, 100k belt theres no purpose for any chain.

[TobyB]

If you think a timing chain is a maintenance free part then you clearly have never owned an M42. lol

This. So the M20 goes about 100k, then blows up if you don't spend 3 hours and $75 changing
the belt and tensioner.

The M42 goes about 160k, then the tension guide comes apart and lunches
16 valves, etc etc AND $500 worth of timing crap. Changing this stuff preventatively takes at least all day.

Did both last year.

Like the M20 system better, in retrospect.

t

[stamar]

ok and think about all the crap it introduced into your oil before it died, wearing everything out evenly like sandpaper.

[coldweatherblue]

yeah they just need a better aftermarket belt.

Take the $$$ you would spend on a chain conversion (is this even possible?) and build a non-interference M20 stroker..

[MonkeyMadness]

yeah they just need a better aftermarket belt.

Take the $$$ you would spend on a chain conversion (is this even possible?) and build a non-interference M20 stroker..

Yes we do need a better belt, If we had one I would not have looked into
this...

Storker done... Now wasting time on this... and Yes it is possible...

[PNWDan]

Belts are better for OHC motors. They are easier to do, lower maint, quieter, and take less power from the engine. I think everyone is missing the point about the belts though. Its not the belt that causes itself to break usually. Its the failing of the tensioner or one of the other components.

[george graves]

How about you make a belt that lasts longer?