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#2453964 - 02/08/12 05:50 AM Re: Manual transmission for the crown vic [Re: MarauderCVPI]
2004_p71 Offline

no replacement for displacement
Posting Addict

Registered: 09/04/03
Posts: 15763
Loc: Quebec Canada
Originally Posted By: MarauderCVPI
What power level/amount of abuse are we taling about breaking the input shaft at?


It is hard to tell because there is not tons of manual swapped crown vic around that broke imput shatf but im sure the mustangs guys at corall.net will have the answer.

in fact it all depends on how you drive the car.

The imput shaft will either twist or brake under hard condition such as drag racing where you give all you got during the launch with sticky tires.
With normal tires if you drop the clutch the tires will burn like hell in no time and will act more or less like a fuse.

When you drop the clutch with sticky tires this is where the stress on the imput shaft is becoming a major problem.

I'm glad with my set-up I didnt brake anything yet as I could have brake the shaft if I would have raced with better stickier tires.
Lucky me the drag radials were not the best with a manual trans so I had no choice to be easy on the launch
_________________________


new best time 13.079 @ 105 1.8 60'

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#2454886 - 02/09/12 08:15 AM Re: Manual transmission for the crown vic [Re: 2004_p71]
m_j Offline
Member

Registered: 11/06/07
Posts: 216
Loc: BC Canada
input gets abused on the starting line

anyone that had a T5 back in the day knows the input is not always what breaks
in the T5 it was deflection between the main shaft and counter shaft that would move the tooth contact point to the tips of 3rd gear and rip teeth off

I think the story on th tr3650 is that people swap them out and sell them to put in a better transmission smile which is how I got mine on ebay

the list of internal improvements mentioned in this thread is still pretty short, input shaft.
syncros and shift forks are messed up by the driver and cannot be considered a strength upgrade.
to reduce shift fork damage we have shifter stop bolts, driver skill is the only thing to help syncros (learn to drive/match rpm)
the best mod for drag manual trans is to remove the syncros altogether
_________________________
2004 p71 ex RCMP- it is a beater
tr3650 from 2005 mustang
hydraulic clutch (using ford truck master, mustang slave) fabbed pedal assembly
tuned using Delta Force by http://www.dirtydirtyracing.com/ through email smile great customer service
aeromotive 11142 fuel pump

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#2455090 - 02/09/12 03:13 PM Re: Manual transmission for the crown vic [Re: m_j]
2004_p71 Offline

no replacement for displacement
Posting Addict

Registered: 09/04/03
Posts: 15763
Loc: Quebec Canada
Originally Posted By: m_j

the list of internal improvements mentioned in this thread is still pretty short, input shaft.
syncros and shift forks are messed up by the driver and cannot be considered a strength upgrade.
to reduce shift fork damage we have shifter stop bolts, driver skill is the only thing to help syncros (learn to drive/match rpm)
the best mod for drag manual trans is to remove the syncros altogether

x2 if you cant drive no matter what you have you can destroy any manual trans.
this what i like abouth my hurst shifter it has stop bolts so even if you bangs the gears the bolts stop it before you push it too far
_________________________


new best time 13.079 @ 105 1.8 60'

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#2456683 - 02/12/12 10:39 AM Re: Manual transmission for the crown vic [Re: 2004_p71]
the5lboss Offline
Member

Registered: 12/27/11
Posts: 152
Loc: texas, USA
What transmissions need spacers for what driveshafts? I know its been mentioned bout the 3650 with a PI shaft but I was unable to find anything on any other trans.
_________________________
2000 Mustang GT (in pieces)
85 F250hd 460bbf 4x4 (hauler camper)
04 Mitsubishi Galant (wifes dd)
98 MGM LS (dd)

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#2456695 - 02/12/12 10:51 AM Re: Manual transmission for the crown vic [Re: 2004_p71]
prodigalson Offline
Banned
Over the Hill

Registered: 05/25/09
Posts: 3167
Loc: Cleveland, OH USA
If anyone ever decides to shell out for a 6060 I would recommend the Challenger spec and just get a modular bellhousing. Those gearsets are made to move a 4400# vehicle and will do more for these cars than a Cobra 6060. And it already comes with a 26 spline shaft, stock on Chrysler and GM versions. Only the Ford version uses the 10 spline.
_________________________
Permanently banned.

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#2456768 - 02/12/12 01:10 PM Re: Manual transmission for the crown vic [Re: the5lboss]
2004_p71 Offline

no replacement for displacement
Posting Addict

Registered: 09/04/03
Posts: 15763
Loc: Quebec Canada
Originally Posted By: the5lboss
What transmissions need spacers for what driveshafts? I know its been mentioned bout the 3650 with a PI shaft but I was unable to find anything on any other trans.

The t-45 is a little shorter that the tr3650.

On a police interceptor the yoke is sticking out of an inch and on my car it's slighly more so that is why i never used the spacer although I have one because the yoke has plenty of contact
_________________________


new best time 13.079 @ 105 1.8 60'

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#2457567 - 02/13/12 12:44 PM Re: Manual transmission for the crown vic [Re: 2004_p71]
the5lboss Offline
Member

Registered: 12/27/11
Posts: 152
Loc: texas, USA
I also heard that the steel shafts are longer so would I be safe with the t45 and no spacer or would I be looking for trouble?
_________________________
2000 Mustang GT (in pieces)
85 F250hd 460bbf 4x4 (hauler camper)
04 Mitsubishi Galant (wifes dd)
98 MGM LS (dd)

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#2457596 - 02/13/12 01:46 PM Re: Manual transmission for the crown vic [Re: the5lboss]
2004_p71 Offline

no replacement for displacement
Posting Addict

Registered: 09/04/03
Posts: 15763
Loc: Quebec Canada
Originally Posted By: the5lboss
I also heard that the steel shafts are longer so would I be safe with the t45 and no spacer or would I be looking for trouble?


I think that the steel shaft is longer than the difference betewen the tr3650 and t-45

on a stock police interceptor with the auto trans you have 1 inch betewen the lip and the yoke.

So you should avoid to have less that that as the travel might not be enought and you will kill the joint if it's the case.

you will have to figure this out when yopu are up to this
_________________________


new best time 13.079 @ 105 1.8 60'

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#2458545 - 02/14/12 04:59 PM Re: Manual transmission for the crown vic [Re: 2004_p71]
the5lboss Offline
Member

Registered: 12/27/11
Posts: 152
Loc: texas, USA
That is awesome. Thank you for the info.
_________________________
2000 Mustang GT (in pieces)
85 F250hd 460bbf 4x4 (hauler camper)
04 Mitsubishi Galant (wifes dd)
98 MGM LS (dd)

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#2476648 - 03/08/12 11:40 AM Re: Manual transmission for the crown vic [Re: 2004_p71]
kwmohammed86 Offline
Member

Registered: 05/12/10
Posts: 190
Loc: Wichita Kansas
just curious how much work would go into installing a manual tranny from my automatic??

@ 2004_p71

You wouldn't happen to have a write up or info on automatic transmissions like you did on manual transmissons??


Edited by kwmohammed86 (03/08/12 11:41 AM)
_________________________
Nothing like a beautiful Merc on a sunny Kansas afternoon.....

Touch Screen DVD Player
Two 12 inch Alpine Type S
C&L plenum with 70 mm fordd racing throttle body

upcoming.... MM airbox with BOC tune, underdrive pullies, 3.55's, P.I. cams and heads.....

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#2476781 - 03/08/12 02:23 PM Re: Manual transmission for the crown vic [Re: kwmohammed86]
2004_p71 Offline

no replacement for displacement
Posting Addict

Registered: 09/04/03
Posts: 15763
Loc: Quebec Canada
Originally Posted By: kwmohammed86
just curious how much work would go into installing a manual tranny from my automatic??

@ 2004_p71

You wouldn't happen to have a write up or info on automatic transmissions like you did on manual transmissons??


no the only info I have is abouth the manual trans.
swaping the trans require a more work because you have to install flywheel clutch pressureplate pedals and modify the cross member.
If you are mechanicaly inclined it,s not the end of the world
_________________________


new best time 13.079 @ 105 1.8 60'

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#2476841 - 03/08/12 03:41 PM Re: Manual transmission for the crown vic [Re: 2004_p71]
kwmohammed86 Offline
Member

Registered: 05/12/10
Posts: 190
Loc: Wichita Kansas
For the most part yes, but to much work for me...I think it may be easier for me to buy stall converter and call it day.. thanks for the input and AWESOME write up....
_________________________
Nothing like a beautiful Merc on a sunny Kansas afternoon.....

Touch Screen DVD Player
Two 12 inch Alpine Type S
C&L plenum with 70 mm fordd racing throttle body

upcoming.... MM airbox with BOC tune, underdrive pullies, 3.55's, P.I. cams and heads.....

Top
#2476844 - 03/08/12 03:45 PM Re: Manual transmission for the crown vic [Re: kwmohammed86]
2004_p71 Offline

no replacement for displacement
Posting Addict

Registered: 09/04/03
Posts: 15763
Loc: Quebec Canada
Originally Posted By: kwmohammed86
For the most part yes, but to much work for me...I think it may be easier for me to buy stall converter and call it day.. thanks for the input and AWESOME write up....


thanks man smile
_________________________


new best time 13.079 @ 105 1.8 60'

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#2476848 - 03/08/12 03:51 PM Re: Manual transmission for the crown vic [Re: 2004_p71]
kwmohammed86 Offline
Member

Registered: 05/12/10
Posts: 190
Loc: Wichita Kansas
One more question,So I have been MIA for awhile because I just finihsed college and finally back to my Mercury rebuild. Just how much power (abuse) can our stock tranny's take...would getting a j-mod be sufficient for aftermarket bolt on's. This is what I have and coming soon so far D.S.S. Stage II ported heads, Comp Cam XE278, C&L plenum with 70mm racing throttle body, MZT setup, coming soon; long tubes, under drive pulleys and set of heavier injectors. Don't know how much I will be pushing out but does any know if my stock 99 marquis 4r70w will withstand these changes??
_________________________
Nothing like a beautiful Merc on a sunny Kansas afternoon.....

Touch Screen DVD Player
Two 12 inch Alpine Type S
C&L plenum with 70 mm fordd racing throttle body

upcoming.... MM airbox with BOC tune, underdrive pullies, 3.55's, P.I. cams and heads.....

Top
#2476850 - 03/08/12 03:52 PM Re: Manual transmission for the crown vic [Re: 2004_p71]
kwmohammed86 Offline
Member

Registered: 05/12/10
Posts: 190
Loc: Wichita Kansas
when I mean stock I mean my stock tranny...
_________________________
Nothing like a beautiful Merc on a sunny Kansas afternoon.....

Touch Screen DVD Player
Two 12 inch Alpine Type S
C&L plenum with 70 mm fordd racing throttle body

upcoming.... MM airbox with BOC tune, underdrive pullies, 3.55's, P.I. cams and heads.....

Top
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