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Originally Posted by more-boost1555
From a three liter V6? That thing must be boosted out the ass to make 400hp.
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Nope 
It's the same block as the Alpine A610.
The original Atlantique used similar heads - and it's 4 valves per cylinder ( where did the data saying 2 come from ? ).
The later 400s used modified heads and twin turbo to beat lag.
But the boost isn't excessive.
The engine is seemingly strong enough for 600+ and the Renault gearbox can take it !!
AS part of my engine rebuild I'm trying to track down an Itlaian tuner who is reportedly offering a Turbo upgrade and ECU mapping to take the A610 up to 500 If you're Itlalian and know who it is please get in contact immediately - I'm trying to do all this through a French intermediary 
Last edited by Matra et Alpine; 02-12-2004 at 05:46 PM..
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