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valve springs

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Old Jun 2, 2009 | 05:52 PM
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transamice's Avatar
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From: Hamilton ON Canada
Car: 87 GTA t-top
Engine: L98 350 w/RMT
Transmission: 700R4
Axle/Gears: 9 bolt BW 3.45
valve springs

What is the diameter, seat pressure and height on a stock 87 TPI 350 engine?
If I were to consider upgrading my springs what would be a recommeded set of springs to get with 1.6 roller rockers?
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