MySupra Posted November 23, 2014 Share Posted November 23, 2014 Ful engine strip and rebuild, engine turns over but won't fire, double check valve timing, have spark on all 6, compression test ok but cylinder 5 down by 20psi, it's got fuel, no engine management codes, in need of help Quote Link to comment Share on other sites More sharing options...
Scooter Posted November 23, 2014 Share Posted November 23, 2014 Assuming twin turbo then possible the crank position sensor or timing star? Quote Link to comment Share on other sites More sharing options...
MySupra Posted November 23, 2014 Author Share Posted November 23, 2014 No it's a n/a sorry should of put that Quote Link to comment Share on other sites More sharing options...
trebor69 Posted November 23, 2014 Share Posted November 23, 2014 Distributor timing ? Quote Link to comment Share on other sites More sharing options...
Dazzi Posted November 23, 2014 Share Posted November 23, 2014 This happened with my build. What headgasket did you use and did you reuse your head bolts? I used arp head studs and a non genuine head gasket. The head gasket wasn't sealing properly after multiple goes and leaked across all cylinders but had good compression. Check for coolant leaks between the head and the block. Quote Link to comment Share on other sites More sharing options...
MySupra Posted November 23, 2014 Author Share Posted November 23, 2014 Cheers, I got her running, the distributor, the element on it is nearly brunt out, I've ordered a new one, I used a blueprint seal and gasket kit, but I will check mate, thanks Quote Link to comment Share on other sites More sharing options...
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