Ok, i just finished the conversion on my corsa to a corsa turbo.
Its a 1400 16v ecotec courtenay half built it, i finished it off.
problem is, when the boost comes in, it splutters. Like its either not getting enough fuel or its leaking boost pressure.
The throttle body at the rear had to be modded to accept an elbow. courtenay held it together with 3 self tapin screws and silicon. im having it alloy welded. do you think that this could be the problem?
Any other ideas why it could be spluttering under boost.