4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

3650 limits?

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Old 08-15-2007, 12:19 AM
  #1  
ninelives19821
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Default 3650 limits?

I know when my car is all back together i will have alot more power then stock but when should i start to worry about breaking the tranny? I have a 3650. If i break it what would be the best upgrade that would be in the 1500$-2000$ range? Also how well does the stock axles hold up? I dont plan on driving like a nut case all the time but i would like to take it to the strip and be able to drive it back..
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Old 08-15-2007, 12:42 AM
  #2  
LetThePoniesRunFree
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Default RE: 3650 limits?

I'm over 450 rwhp on a bonestock 3650 with a Spec stage 2 clutch. I normally run BFG DR's but I've mad a couple of passes on MT slicks. Granted I've upgraded to 31 spline, I still have yet to hurt my stock tranny. I'm sure the day will come, but after 50+ trips down the 1520 with the DR's, I haven't seen that day yet.

IMO, no need to worry to much about the27 spline rear axles until you're up in the 400 rwhp range on slicks.
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Old 08-15-2007, 12:43 AM
  #3  
cliffyk
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Default RE: 3650 limits?

Limits or specifications?[/align][/align]The maximum torque spec for the 3650 is 360 ft.lbs. (that's the "36" part). Though not specified I will assume they are referencing the input shaft, so this means 360 crankshaft HP at 5252 RPM.[/align][/align]The limit (as in "whoops, I should have got a TKO 5/600") is, from what I have read here and elsewhere, 400 to 450 HP.[/align][/align]The 8.8" rear-end/axles seem, also from scuttle-butt, to have a similar limit; I've not found an actual torque spec (torque is everything, HP only counts if you specify an RPM)for the 8.8 differential.[/align]
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Old 08-15-2007, 09:08 AM
  #4  
nanaki
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Default RE: 3650 limits?

there's no guarentee how much punishment it can take. some blow it with ~400RWHP/400RWTQ. mine is still running strong with nearly 550RWHP 500RWTQ. that doesn't mean yours will though.
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Old 08-15-2007, 10:15 AM
  #5  
Quicktime_GT
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Default RE: 3650 limits?

mine is broke...

1-2 sliders...
2nd gear
shift fork stoppers..

I'm looking at close to $700 in parts

THe 2nd gear assembly its self is only $93
The sliders are $87

The blocking ring kit, only sold as a complete set for every gear is $359... []

Those are prices from hanlon motorsports, a real nice guy by the way...

If anyone knows of cheaper prices I'd appreciate it..
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Old 08-15-2007, 10:34 AM
  #6  
Ryan86272
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Default RE: 3650 limits?

ORIGINAL: Quicktime_GT

mine is broke...

1-2 sliders...
2nd gear
shift fork stoppers..

I'm looking at close to $700 in parts

THe 2nd gear assembly its self is only $93
The sliders are $87

The blocking ring kit, only sold as a complete set for every gear is $359... []

Those are prices from hanlon motorsports, a real nice guy by the way...

If anyone knows of cheaper prices I'd appreciate it..
How much labor are you looking at Quicktime??? If its over 1k, PLEASE dont waste ur Money... Save up another 1k....a nd get a TKO........ I was in the same Bind as you.. I fixed it. cost me like 800..... (installed) Well few months later the Rest of the Tranny Goes. Specially with the power ur making, who knows how long the Rebuilt 3650 is goanna last????
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Old 08-15-2007, 10:39 AM
  #7  
Quicktime_GT
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Default RE: 3650 limits?

yea thats what i'm thinking... I dont think the labor will be much as I know the guy pretty good.. but at the same time I don't really even want to spend the $600 on a transmission that WILL break again
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Old 08-15-2007, 10:48 AM
  #8  
Ryan86272
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Default RE: 3650 limits?

ORIGINAL: Quicktime_GT

yea thats what i'm thinking... I dont think the labor will be much as I know the guy pretty good.. but at the same time I don't really even want to spend the $600 on a transmission that WILL break again
Good Luck..... I went with D&D For my TKO. Good Price i didnt get much help on the technical end...because they are NOT direct fit Good Luck with ur Decision
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