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I have a 302 that was bored & stroked to a 347 then later bored over 60 more with a 3.400 crank which makes it a 352 i have 2 nos kits ( 300 shot each) my question is I have a 3550 tremec will it hold the hp I have ( including nos) ?
 

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I also have a Tremec 3550 and mine makes 530rw H/C/I with 10lbs of boost.

I recently switch to a McLeod RXT and it was hooking hard first time out at the track and bouncing around a little in the rear and it resulted in a broken output shaft.
I really thought it was a broken 10 spline input shaft until I took it apart.

I removed the transmission again and purchased a kit from Hanlon Motorsport which included a 26 spline input shaft with a 31 output shaft with brass rings and other upgrades which basically makes it an upgraded TKO 500.

I would estimate a stock 3550 is rated for around 400rw TQ.
Which means I don’t think it will last long behind your combo on spray.
I guess it depends on how hard it hits and when it hits on spray.

How do you plan on using it?
From a dig? What tires?
 
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