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Torque Converter question

4K views 12 replies 7 participants last post by  Texasbracketracer 
#1 · (Edited)
Any idea why my converter would flash correctly but is just lazy doing it out the hole and MPH is down about 4 as well. Engine was refreshened and made pretty much same HP and torque so I don’t think that’s the problem. Last year same weather with a 4.30 gear car ran 4.94 @ 144 with a 1.14 60’ and now it’s runs 4.99-5.00 @140 with a 4.56 gear with a 1.14-1.15 60’. It’s been gradually getting slower and i know this may be a vague post but ask any question that may be related to why it would do this. Transmission has been through and refreshened with new servo and valve body that makes only 210 psi at finish line which it used of make 280 last year with old valve body
598 BBC
1227 HP @ 7600
928 ft lb torque @ 6000
9” spragless converter stalls @ 6700
1.80 straight cut glide
4.56 rear gear
33.0/16.5-15 tire
2550 lb door car
 
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