Quote:
Originally Posted by Tom Vaught
Interesting since the 4 cylinder engines and V6 engines in production typically have a internal chain tensioner that would take out any wear in the chain.
Also a smoking issue from turbo seal issues is caused by excessive crankcase pressures, or poor crankcase venting. The turbo needs a very low pressure in the oil pan to drain the CHRA properly.
Tom V.
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There are several TSB's associated with stretched timing chains on the 3.5 EB.
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1976 LeMans B09 Freeway Enforcer, 455/M40 Smokey
1977 Trans Am, 400/M21 Black/Gold Bandit. 44K actual miles
2017 Sierra SLT 1500 Z71 4X4
2019 Canyon SLT Crew 4X4
