mike0chek Posted August 4, 2012 Report Posted August 4, 2012 so i did a leakdown on my motor today and it doesnt want to hold 6 psi, from 4 psi to 3 psi it took 9 mins to drop, is this acceptable?? the only leak is from one of the crank seals (between the crankshaft and the inner part of the seal) would you guys run this or should i split the cases again?? Quote
toytech Posted August 4, 2012 Report Posted August 4, 2012 so i did a leakdown on my motor today and it doesnt want to hold 6 psi, from 4 psi to 3 psi it took 9 mins to drop, is this acceptable?? the only leak is from one of the crank seals (between the crankshaft and the inner part of the seal) would you guys run this or should i split the cases again?? fix it now it will be cheaper then blowing it up cause it's lean. Quote
PassionRE Posted August 5, 2012 Report Posted August 5, 2012 so i did a leakdown on my motor today and it doesnt want to hold 6 psi, from 4 psi to 3 psi it took 9 mins to drop, is this acceptable?? the only leak is from one of the crank seals (between the crankshaft and the inner part of the seal) would you guys run this or should i split the cases again?? Its probably just leaking slightly around the drive gear on the clutch side,,,they all leak slightly around the key slot . You can seal it during assembly with Permatex ultra-black and it will take care of the issue. Quote
mike0chek Posted August 5, 2012 Author Report Posted August 5, 2012 spray it. lol spray what?? i know where the leak is, between the crankshaft and the seal (both brand new) Quote
mike0chek Posted August 5, 2012 Author Report Posted August 5, 2012 Its probably just leaking slightly around the drive gear on the clutch side,,,they all leak slightly around the key slot . You can seal it during assembly with Permatex ultra-black and it will take care of the issue. ya i put 3 bond in the keyway and on the key, ill have to pull the primary gear off and make sure it sealed Quote
BigRed350x Posted August 5, 2012 Report Posted August 5, 2012 spray what?? i know where the leak is, between the crankshaft and the seal (both brand new) With nitrous. Quote
mike0chek Posted August 5, 2012 Author Report Posted August 5, 2012 pulled primary gear off and packed the keyhole with sealant, ill do another leakdown tomorrow to see if its any better. Quote
mike0chek Posted August 6, 2012 Author Report Posted August 6, 2012 so the crank seal was still leaking so i split the cases again today and replaced it, hopefully it will pass a leakdown tomorrow night Quote
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