305/350 ?
Supreme Member
Joined: Apr 2001
Posts: 4,969
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From: USA
Car: yy wife, crazy.
Engine: 350, Vortecs, 650DP
Transmission: TH-350
Axle/Gears: 8.5", 3.42
Originally Posted by navyCM
Settle something for me please. What is the difference between a 305 & a 350? Thanks

They both have a 3.48" stroke, however....
A 350 has a 4" bore.
A 305 has a 3.735: bore.
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Originally Posted by nelapse
the bore. everything is interchangeable except the pistons. however you cannot bore a 305 to a 350.
Unless you're going to use ultra light pistons on the 350.
Last edited by AJ_92RS; Aug 3, 2006 at 06:53 AM. Reason: Automerged Doublepost
Joined: Mar 2000
Posts: 43,187
Likes: 43
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Heads are different, too, although they will bolt on to the other.
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