Its gonna cost more time and money to put a2 internals in an a3, than it would be to just buy the damn a2, and you still wouldnt have the power of an a2
did a search but did not find anything on this just wanted to know what i would need besides the ovious (a2 internals) and what needs to be machined on the a3 block thanks in advance.
Its gonna cost more time and money to put a2 internals in an a3, than it would be to just buy the damn a2, and you still wouldnt have the power of an a2
I for sure wouldn't do the work. Id let someone who knows more about it than i do, do it. Nor would i put in used internals. I think thats dumb. If you want something reliable you should just buy it new and not have to worry about the integrity. How ever a used a2 out of something that was totaled from rear end damage i would buy.
And that i would put in myself.
So FOR ME it would be cheaper to buy an a2 and put it in then buy the internals and put them in an a3.
But if you wouldn't use, used parts then why would you trust a used engine itself. You can easily find eagle pistons forged for $529, eagle H beam rods for $300, then the only expensive work which when I get my a2 I will do anyway would be to make sure the center bore of all the journals are still straigh, and I am going to have the crank balanced. So for roughly $8-900 you can have all the internals ready to be put together and get a head off crsx for at the most 900 I have seen, then bodda bing bodda boom there is your forged and built a2.
What are p29's I know that was probably a noobie question but I am still fairly new the these cars and power train. How high can you rev with the stock rods though. Just curious.
To actually answer your question instead of just giving my opinion as to whetehr you should or not, yes you can use A2 rods and pistons in the A3 block and they will fit just fine but you have to have an A2 crank as well. The rod journals on the A3 crank are smaller than on the A2.
I'm not sure if you can run A2 pistons on A3 rods. I don't think so but I can't remember why.
oh ok well should still be cheaper even finding the a2 crank.
Haha, the p29's are twin cam d-series pistons used to up the comp on single cam d's for more power. Not even K related, just expressing my opinion on used parts.
Oh, ok well look I learned something new today. I would rather stick to my wicked fast ep3 a3 motor that can desimate all.
a2 crank is the most significant a2 upgrade for an a3 bottom end.
also to clarify a little more... the internals will work fine... You will have to have an a2 head for the a2 pistons to work or else you will have some major damage
or a machined a3 head for the a2 pistons to clear the casting.
if you compare the combustion chamber of the two heads, the a2 head is circular and the a3 head is not.
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