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The mkiv Supra Owners Club

timing belts


Guest spelk
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Guest spelk

how many miles are recommended before you change the timing belt and how much does it cost as a lot of the supras i have looked at are around 45 to 95 thousand miles

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you shouldn't worry as much as you might with other cars as the cambelt snapping on a supra (almost certainly) won't cause the damage it does in most cars.

 

by all means get it done if due but don't fret about buying/driving a sup where it is due...........

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  • 5 months later...
you shouldn't worry as much as you might with other cars as the cambelt snapping on a supra (almost certainly) won't cause the damage it does in most cars.

 

by all means get it done if due but don't fret about buying/driving a sup where it is due...........

 

Really? why is that the case with supra's & not with other cars?

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Really? why is that the case with supra's & not with other cars?
It's because the Supra has a non-interference design. That means that even when a piston is at the top of its stroke there is still a gap between it and any valve that has been left in the down position by the broken cambelt, so the pistons and valves don't smash into each other.

 

 

 

N.B.

The above applies to all MkIV Supras except the NA models with the VVTi engine and any Supra with very high lift aftermarket cams.

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It's because the Supra has a non-interference design. That means that even when a piston is at the top of its stroke there is still a gap between it and any valve that has been left in the down position by the broken cambelt, so the pistons and valves don't smash into each other.

 

 

 

N.B.

The above applies to all MkIV Supras except the NA models with the VVTi engine and any Supra with very high lift aftermarket cams.

 

nice1 fella thanks for clearin that up

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how many miles are recommended before you change the timing belt and how much does it cost as a lot of the supras i have looked at are around 45 to 95 thousand miles

 

 

If you have just bought a supra and have no service history, CHANGE IT sorry THEM the first job you should do then

 

Oil + filter

 

Gear box oil

 

Plugs

 

Coolant

 

Fuel filter

 

Have I forgoten anything ? :search:

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