audi s2 vs rs2 timing belt

[valjo]

hi!

i wonder if anyone could tell me difference between s2 (aby) and rs2 (adu) timing belt.
Price is the same bat part nummber is not.

thanks

[EspenW]

RS2(ADU) = 150 teeth
S2/S4(ABY/AAN) has 151 teeth

[re2500]

You can use an ADU belt on an ABY engine but you must use an ADU water pump also.

[valjo]

You can use an ADU belt on an ABY engine but you must use an ADU water pump also.

Well i have rs2 chamashaft pulley and chamshafts installed.
Could i use rs2 chamshaft pulley, s2 timing belt and s2 wather pump ?

[Rocco]

and RS2 belt + RS2 water pump are able to the 3B engines too as ABY ones??

[Jamo]

and RS2 belt + RS2 water pump are able to the 3B engines too as ABY ones??

As the water pump is the belt tensioner on the 3B i'd say no.

You'd have to change to the ABY /ADY tensioner setup and probably have to change the oil pump too

[Rocco]

As the water pump is the belt tensioner on the 3B i'd say no.

You'd have to change to the ABY /ADY tensioner setup and probably have to change the oil pump too

thanks for help Jamo,and then complete forgot it..to much money for "nothing" perfonmance