The e15et engine shares the same bore size and stroke as the a15 the pistons are identical. Some old exa turbos are making over 400hp so the heads must definitely be superior to the best oval port a-series heads. They allow bigger exhaust valves which is vital for boost.
On the roof supports have you tried the post pack tubes? regards, d.
Posted on: 2009/5/26 15:22
Edited by D on 2009/5/28 11:29:28
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