dylanT Posted March 18, 2014 Report Share Posted March 18, 2014 Ok so Im having my 4l80e built right now with a jakes performance kit and I've already purchased my multi disk circle d converter. Question is do I just need spacer and bolts or do i need new flex plate as well? If you guys could add any links or info that would be great! Quote Link to comment Share on other sites More sharing options...
AKSSS Posted March 18, 2014 Report Share Posted March 18, 2014 I'm pretty sure that the only crank shafts that need a spacer were the 99 00 cranks that already had a spacer. I am also doing this exact swap right now. Just waiting on the trans to come back and the motor from the machine shop. I just ordered this... http://m.summitracing.com/parts/tci-399754 I could be wrong, but I don't think so. Quote Link to comment Share on other sites More sharing options...
cleansss20 Posted March 18, 2014 Report Share Posted March 18, 2014 I got a circle d and ended up not needing the spacer. I have one for sell if anybody needs one. Quote Link to comment Share on other sites More sharing options...
Link2603 Posted April 8, 2014 Report Share Posted April 8, 2014 Talk to whoever is making your converter and tell them exactly what you have. They can be made to be used with a spacer or not. If your using a stock converter (which I know your not) im pretty sure a spacer and flat flexplate would be needed. By the way I only thought the iron headed LQ4 had extended cranks? Quote Link to comment Share on other sites More sharing options...
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