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Author Topic:   acceptable leakdown percentage

Posts: 159
From: folsom,cal,
Registered: Jan 2002

posted 08-15-2002 08:12 PM     Click Here to See the Profile for stoker   Click Here to Email stoker     Edit/Delete Message   Reply w/Quote
motor has about 3000 miles.i used castrol straight weight (dont know if it was non detergent)non synthetic for first 200 miles.then in went synthetic (maybe jumped the gun)to my suprise it leaked at 10% can you get non detergent in cal. ? heaven forbid i have to tear back in it.please advise on any options

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V8 Thumper

Posts: 4681
From: Phoenix, Arizona
Registered: Dec 2001

posted 08-15-2002 11:32 PM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
5-7% is typical... 200 miles isn't all that many hours, so I wouldn't panic just yet. Yes, any parts house should carry ND oil. I just bought a case of Valvoline 30W ND for my stroker break-in. I intend two break-ins, as recommended by Comp:

Removed inner valvespring from all 16 (lowers the seat pressure), 3000 RPM for 30 minutes. Change oil & replace filter.

Install inner valvespring, repeat break-in procedure. Drain & fill with normal oil, then drive the wheels off of it

Alex has some voodoo ring seating methods, maybe hit him up next week after he's done racing this weekend.

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Maverick Mike

Posts: 65
From: IL USA
Registered: Nov 2000

posted 08-19-2002 10:08 AM     Click Here to See the Profile for Maverick Mike   Click Here to Email Maverick Mike     Edit/Delete Message   Reply w/Quote

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