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PToombs wrote:Any brand of ATF type 4 is fine, some guys use hydraulic oil for a full or partial fill.
lz69 wrote:From doing a little reading after some transmission work, atf 4+ has very tight specification so there next to no difference from a generic bottle from Walmart and stuff from the dealership. As example to meet specification it has to be from one of three refineries and use an additive package from a specific manufacturer.
oldestof11 wrote:I use Travellers Hyrdo trans oil in my junk. 4qts ATF and the rest the hydro oil. It really tightened up my loose converter. Tight enough I went from 17-18mpg to a consistent 19.5-20.5 mpg. Nothing changed between the 2 besides a rear main seal replacement. $40 at Tractor Supply company.
oldestof11 wrote:I didn't see that tight converter. Yes it will tighten it up more. You might not want that.
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