BNR S4 wastegate photo
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Joined: Feb 2001
Posts: 4,398
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From: Birmingham, AL
BNR S4 wastegate photo
This is an 87-88 stage 3 turbo. There is a medium puck and a large puck. The medium puck goes on a stage 1 and 2 and the large puck comes on a stage 3 and 4. The port is taperd to the exhaust for more flow and the puck swing arm was increased by 1/4".
I thought this was rather nice, it is ported bigger than mine.
