caravelle pistons on abf turbo?

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caravelle pistons on abf turbo?

Postby shuaib » Fri Sep 07, 2012 11:02 am

hi guys

would like to know if its possible to use a set of caravelle (ae nural) pistons to lower the comp on my abf motor? i know guys use 2e pistons, but i already have a brand new set of caravelle pistons that were given to me, would like to use the stock rods and some arp bolts also, will these pistons be ok?dont plan on boosting more than 1 bar anytime soon.

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Re: caravelle pistons on abf turbo?

Postby 1.8iblackie » Fri Sep 07, 2012 11:15 am

Measure the height from wrist pin to top and compare to that of the abf piston. If its te same height or less it will work and might even drom CR to low and they will need pockets for the inlet valve.
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Re: caravelle pistons on abf turbo?

Postby VWicked » Fri Sep 07, 2012 11:24 am

Other issue I can see with th caravelle is the wrist pin size which is 20mm vs 2e (21mm). Either you will need to machine the pistons(if possible) or get bushes for the rods to bring the size down to 20mm. Ideally to save yourself stress, sell the pistons and get 2e's.
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Re: caravelle pistons on abf turbo?

Postby Riddy » Fri Sep 07, 2012 11:28 am

fit an ABF and get done with it
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Re: caravelle pistons on abf turbo?

Postby VWicked » Fri Sep 07, 2012 11:37 am

That car is already an ABF...
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Re: caravelle pistons on abf turbo?

Postby Killerwatt » Fri Sep 07, 2012 11:40 am

Do you have 2.3 or 2.5 pistons?
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Re: caravelle pistons on abf turbo?

Postby shuaib » Fri Sep 07, 2012 12:25 pm

hmm interesting... i have the 2.5 caravelle pistons... will see if i can get 2e pistons rather then? need to get this motor done asap :bang:

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Re: caravelle pistons on abf turbo?

Postby Killerwatt » Fri Sep 07, 2012 12:48 pm

yup can use those pistons but you may have to machine them down a bit to det the right deck height.
But 2e pistons would be better. You can try and find the rare semiforged ones.
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Re: caravelle pistons on abf turbo?

Postby Donavan » Fri Sep 07, 2012 1:05 pm

No u cant, wrist pin differs and your compression will be to low. There a 2mm difference in deck height between the 2e and combi pistons.
click on the link to see the pic.
2E pistons is your answer

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Re: caravelle pistons on abf turbo?

Postby shuaib » Fri Sep 07, 2012 4:53 pm

thanx to all for the advice ,managed to source some 2e pistons , hope they are in good nick :fear:
iv changed my mind so many times with this damn car now, time to just boost it and be done :driving:

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