A Z for Me? Posted November 1, 2015 Share Posted November 1, 2015 Okay folks - I've got a line on a Turbo Tom 3.1 L Stroker, this motor has been blown, but I feel is rebuildable. The price is right on this and would hate to let it slip away. On a 3.1 stroker, can they be bored another .5mm as one of the cylinders has some damage. Can you go an 89.5mm bore on all cylinders, then a balance. This has the VO7 crank, 9mm rods, just needs an overbore, will get an align hone on the crank and cam, then a full rebuild, gaskets etc. Have plans on going EDIS and megasquirt Just looking for some advice from the experts. D. Quote Link to comment Share on other sites More sharing options...
AZGhost623 Posted November 1, 2015 Share Posted November 1, 2015 Just find a new block, cheaper than blowing out a cylinder wall because its too thin. 89 is pretty much the limit, some can goto 90, but they are carefully selected and thoroughly tested before its actually bored over that big. Quote Link to comment Share on other sites More sharing options...
A Z for Me? Posted November 1, 2015 Author Share Posted November 1, 2015 Guess it will be a pass on this motor then...oh well $1200 I didnt spend Quote Link to comment Share on other sites More sharing options...
TimO Posted November 1, 2015 Share Posted November 1, 2015 Used blocks are cheap. My 3.1 was built with a block I found for free! Quote Link to comment Share on other sites More sharing options...
Derek Posted November 1, 2015 Share Posted November 1, 2015 Yea I wouldn't let a block hold me back on that one either. Unless it damaged everything else as well. With an over bore it's all new pistons. If only one piston is bad then that may change the dynamics as well. Quote Link to comment Share on other sites More sharing options...
A Z for Me? Posted November 1, 2015 Author Share Posted November 1, 2015 Well the story is, the previous owner was trying to tune it with a larger carburator, went lean, and there is some scoring in one cylinder. only one piston was involved, #5, I believe. Salvage yards here are now few and far between, thanks EPA. Anyway, the guy is wanting $1200 for this, yes it may be worth it, but I still have to get a car as well...and at this time nothing is nailed down as of yet...L28ET, , RB, SR, or LS....Just havent a clue as of this time D. Quote Link to comment Share on other sites More sharing options...
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