Thread: will 5W-30 vs 10W-30 improve mileage
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Old 08-28-2004, 02:29 AM
vxmike vxmike is offline
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Location: Detroit, MI
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And if so, will it be noticable? Anyone experimented with this before? I've been using 10W-30 in my VX forever, but am now curious to try 5W-30.

Leaving on a 5,000+ mile warm weather trip next week, looking forward to some tremendous tanks

.

'94 Civic VX 135k
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