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V8 250 auto gearbox fluid

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captain bobo
Posts: 206
Joined: Tue Feb 09, 2016 7:32 pm
Location: Kimbolton, Cambs

V8 250 auto gearbox fluid

Post by captain bobo » Mon Apr 08, 2019 5:20 pm

When my gearbox and torque converter were rebuilt 4 or 5 years ago, Dexron 2 fluid was put in.

During a recent conversation with Chris Seabrook he commented that Dexron 2 is "too slippery". Looking at alternatives I see that Comma ATF is designed for use with gearboxes such as the BW35. There is also a recent thread about gearbox problems that mentions AQF fluid.

So which might be best - ATF or AQF? Is the difference significant? If I drain the Dexron out , remove the sump, check the filter and insure all is clean, are there any other things that I should be looking out for? Any issues likely with possible incomplete draining of the old fluid?
Best wishes, Dave B

classiclife
Posts: 324
Joined: Wed Sep 05, 2018 9:55 am
Location: Ridgewood - East Sussex
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Re: V8 250 auto gearbox fluid

Post by classiclife » Mon Apr 08, 2019 9:54 pm

Hello Dave,

I have used Penrite Classic ATF in my V8-250 saloon without any issues whatsoever. Firstly it is mineral based and secondly it is Type A spec which is the requirement for our type of autoboxes.

https://www.classic-oils.net/Penrite-Classic-ATF

If any issues were likely to occur that will have surfaced by now.

I would say that using DX 3 may be an issue because it is too advanced for old style BW units to handle over a period of time.

Hope that assists ??

By the way, Classic Oils will deliver free of charge anything over £60.

Regards.

Richard.
1968 Daimler V8-250 Saloon
DLOC East Sussex Area Representative.

Southern Classics Society Events Co-ordinator.
www.southernclassics.org.uk

KV8
Posts: 205
Joined: Sun Mar 06, 2016 7:05 pm
Location: Cambridgeshire

Re: V8 250 auto gearbox fluid

Post by KV8 » Thu Apr 11, 2019 8:32 pm

Hi Dave

I cannot remember whether it was on this or the Triumph Stag forum that users have same or later autobox. However on a
Triumph forum it is de riguer that one uses AQF as Dexron ATF indeed induces slip on both the BW36/65 Autobox. I use Comma AQF for both my Stag amd Daimler V8 HTH,. No problems so far.

Howard

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