robots Posted October 15, 2007 Share Posted October 15, 2007 Hi! Need to confirm that as soon as possible. Friends car crank got f**ked, oil starvation. He can get silver top rb20de crank/rods or redtop rb20det crank/rods to put into his sivlertop rb20det. What is the best choice ? And are pistons from redtop/silver top interchangeable or the piston crowns are different? What about rb20de one ? Thanks! Link to comment https://www.sau.com.au/forums/topic/189301-rb20derb20det-redtop-crankrods-same-as-silver-top-rb20det/ Share on other sites More sharing options...
RB20/30Det_VL Posted October 15, 2007 Share Posted October 15, 2007 u can use the redtop crank, rods and pistons...dont use the rb20de pistons as they give a different (higher) compression ratio, not the best for turbo applications...the word is u cant use the redtop block with a silvertop head, oil galleries are slightly different...have seen it myself but thats what i have researched... Link to comment https://www.sau.com.au/forums/topic/189301-rb20derb20det-redtop-crankrods-same-as-silver-top-rb20det/#findComment-3412425 Share on other sites More sharing options...
R31Nismoid Posted October 16, 2007 Share Posted October 16, 2007 Just swap it out for a silvertop. They are cheap as chips, and that way you'll get a new loom aswell as the red-top looms are failing left, right and centre with far too many electrical issues as they are 20+ years onld now. Link to comment https://www.sau.com.au/forums/topic/189301-rb20derb20det-redtop-crankrods-same-as-silver-top-rb20det/#findComment-3414918 Share on other sites More sharing options...
James_03 Posted October 16, 2007 Share Posted October 16, 2007 yep as mentioned its interchangeable except for the red top block. If your just using rods/crank should be fine. Link to comment https://www.sau.com.au/forums/topic/189301-rb20derb20det-redtop-crankrods-same-as-silver-top-rb20det/#findComment-3415121 Share on other sites More sharing options...
robots Posted October 16, 2007 Author Share Posted October 16, 2007 Thanks heaps! Link to comment https://www.sau.com.au/forums/topic/189301-rb20derb20det-redtop-crankrods-same-as-silver-top-rb20det/#findComment-3415674 Share on other sites More sharing options...
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