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29-06-2023, 11:55 AM | #21 | ||
Regular Member
Join Date: Apr 2014
Posts: 62
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If the exhaust has had it i would change it
to extractors they do help also change the diff ratio to a 3.77 if not already done or a 3.9 which is a GT spec it should be a HC engine if you do a compression check a HC was 188 and a LC was 170 at cranking speed |
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