Anyone running 2.8 A4 heads on their RS4's???

2.7 V6 30v biturbo - 380 bhp
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tigasTT
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Anyone running 2.8 A4 heads on their RS4's???

Post by tigasTT » Tue Dec 15, 2009 1:38 pm

Hi just wondering if anyone is running 2.8 A4 heads in their RS4's? TIA
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S2tuner
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RE: Anyone running 2.8 A4 heads on their RS4

Post by S2tuner » Tue Dec 15, 2009 4:21 pm

Yes, quite a few people.
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jimbo1234567
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RE: Anyone running 2.8 A4 heads on their RS4

Post by jimbo1234567 » Tue Dec 15, 2009 9:52 pm

ive got the 2.4 s which are very similar
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missmouse
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RE: Anyone running 2.8 A4 heads on their RS4

Post by missmouse » Tue Dec 15, 2009 10:44 pm

what advantage does this give? I thought RS4 heads were reworked by cosworth?
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tigasTT
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RE: Anyone running 2.8 A4 heads on their RS4

Post by tigasTT » Tue Dec 15, 2009 11:49 pm

i dont know how true..but some say the OEM RS4 Cosworth heads are prone to cracking. And they say the 2.8 A4 heads are sturdier and have big ports too...I just know how it compares to the OEM Cosworth heads in size.
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jimbo1234567
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RE: Anyone running 2.8 A4 heads on their RS4

Post by jimbo1234567 » Wed Dec 16, 2009 11:17 pm

they crack from valve to valve and valve to spark plug. needs to have been running very hot to do this, 2.4 and 2.8 heads have larger ports
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