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post #1 of 11 (permalink) Old 10-19-2010, 06:19 PM Thread Starter
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springs and accumulator change ??? help

okay im just changing / upgrading springs and accum pistons 1-2 and 3-4
got the 1-2 undone and there was only a dark purple spring in the bottom location that cant be right???? any way replacing with suggested upgraded parts the question is do i proceed with putting blue spring in then accum piston followed by the purple spring on bottom then seal right??? thanks just double checking before re assembly....

and for the 2-3 leave out spring all together if ones there ?????

got to the 2-3 the real big ?? is i have a brand new 2-3 ford oe spring leave it out or put new one in???? kinda at a stand still .., waiting before re assembly..

does any one know why 1-2 only had one spring???

Last edited by Anlo; 10-19-2010 at 07:16 PM.
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post #2 of 11 (permalink) Old 10-19-2010, 07:14 PM
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For mild settings 1-2 shift:
F75Z-7F284-AA Light Blue - Top
F7AZ-7F284-BA Purple - Bottom

More aggressive 1-2 shift:
F75Z-7F284-BA Brown - Top
F7AZ-7F284-BA Purple - Bottom


**96/97 updated p/n
2-3 spring removed for more aggressive shifts.


had that in a text from when I did the jmod although i already had all same parts updated on my car already from factory i really was just putting new ones in.

1997 Ford Thunderbird LX 4.6L (WT): Removed Air Silencer. PBR Brake Upgrade. J-MOD. Silverstar Headlights. Vogtland Springs 1.6". Front Sport Shocks/ Back KYB's. PI Cams. Xcal2 by Lonnie.
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post #3 of 11 (permalink) Old 10-19-2010, 07:25 PM Thread Starter
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perfect

i got it thanks man
im just torn between the 2-3 spring option all ive read says leave it out.will leaving it out adverserly affect the lifespan of tranny ? or just give more aggresive shifts ?? im not planning on doing this again for some time

Last edited by Anlo; 10-19-2010 at 07:32 PM.
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post #4 of 11 (permalink) Old 10-19-2010, 07:37 PM
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I did the jmod at the same time as when I removed my 2-3 spring so I can't say exactly how much harsher it will be if your not drilling your valve body?? but I doub't much; it just gives slightly harsher shifts, from what I have been told it is safe to do. As for the purple spring only being there I'm not sure it may have came like that but can't say for sure. Are you doing the jmod?

1997 Ford Thunderbird LX 4.6L (WT): Removed Air Silencer. PBR Brake Upgrade. J-MOD. Silverstar Headlights. Vogtland Springs 1.6". Front Sport Shocks/ Back KYB's. PI Cams. Xcal2 by Lonnie.
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post #5 of 11 (permalink) Old 10-19-2010, 07:48 PM Thread Starter
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jmod

no just putting in new upgraded parts previous owner left in the trunk.heard they were improved... just not sure about drilling into valvebody...
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post #6 of 11 (permalink) Old 10-19-2010, 07:58 PM
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You don't drill into the valve body itself; you drill the holes in the separator plate.

If you drill for the "mild" settings, leaving the 2-3 springs out have the 2-3 shift feeling a tad softer than the 1-2 shift with both 1-2 springs in. I think it feels perfect this way.

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post #7 of 11 (permalink) Old 10-19-2010, 08:06 PM Thread Starter
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2-3 retainer

does it matter which side is up when installing retainer back in the 2-3 cylinder ??

which side up on 3 tabbed retainer for the 2-3 bore ?

Last edited by Anlo; 10-19-2010 at 08:29 PM.
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post #8 of 11 (permalink) Old 10-19-2010, 09:23 PM
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The tabs should be on the bottom side.

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post #9 of 11 (permalink) Old 10-19-2010, 10:27 PM
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And I found just one spring only under the 1-2 accumulator on my 95 as well, broken into 4 pieces. I think it broke a few months ago when I felt shift change and heard buzz in neutral suddenly.

I used new accumulators and two 1-2 springs (F75Z-7F284-BA brown top and F7AZ-7F284-BA violet bottom) and no spring on 2-3 accumulator with drilled plate which was drilled by RobertP to mild specs. He sent a kit with gaskets.

Yeah, retainer 2-3 goes up in hole with three tabs pointed down and they grip the hole. VB underneath takes load when installed and all's working.


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post #10 of 11 (permalink) Old 10-20-2010, 06:48 AM
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Quote:
Originally Posted by 91CougarLS View Post
For mild settings 1-2 shift:
F75Z-7F284-AA Light Blue - Top
F7AZ-7F284-BA Purple - Bottom

More aggressive 1-2 shift:
F75Z-7F284-BA Brown - Top
F7AZ-7F284-BA Purple - Bottom


**96/97 updated p/n
2-3 spring removed for more aggressive shifts.


had that in a text from when I did the jmod although i already had all same parts updated on my car already from factory i really was just putting new ones in.


i have a purple spring for the bottom that i just bought but it's p.n. is F3LY-7F284-A. I've read they'll both work for the newer style piston but does any one know which one is the lower rate spring

Does anyone know how these two set-ups compare to each other

F75Z-7F284-AA Light Blue - Top
F7AZ-7F284-BA Purple - Bottom

F75Z-7F284-AA Light Blue - Top
F3LY-7F284-A Purple - Bottom



http://www.p71interceptor.com/tranny...rtnumbers.html

Last edited by msp252; 10-20-2010 at 08:33 AM.
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post #11 of 11 (permalink) Old 10-21-2010, 03:17 PM
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Quote:
Originally Posted by Anlo View Post
im just torn between the 2-3 spring option all ive read says leave it out.will leaving it out adverserly affect the lifespan of tranny ? or just give more aggresive shifts ?? im not planning on doing this again for some time
One of the DARN FEW things all the Gurus agree on is throw the 2-3 Spring AWAY - period.


Quote:
Originally Posted by Anlo View Post
got the 1-2 undone and there was only a dark purple spring in the bottom location that cant be right???? does any one know why 1-2 only had one spring???
Per Chart bottom this GREAT Link & the TSB in that Link just above the Chart that looks like the Stock setup in 95 3.8L although as you see it changed on later Models - I'd think you could almost BOG with too hard a 1--2 Shift with the 3.8L :

http://www.p71interceptor.com/tranny...rtnumbers.html

GET OFF MY LAWN~! ... & Let's not forget guys... There's still a dead Imaginary Ex-Girlfriend out there...

Last edited by BUCK; 10-21-2010 at 03:29 PM.
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