Best Torque Converter for my 355?
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Junior Member
Joined: Jul 1999
Posts: 63
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From: South Jersey
Car: 87 Iroc Z-28
Engine: 355 Vortec Superram
Transmission: 700-R4
Best Torque Converter for my 355?
Well I finally got the engine, I just have to drop her in. But I wanted to get an opinion on TC's for my combo. Looking at a smaller diameter one fron Yank, ACT, or Vigilante. Here's my setup...
355 with warmed over vortec heads, Superram upper and runners, Forged flattops, an a 224* cam with .465 lift. It's going into an 87 Iroc slimmed down to about 3400 lbs. Coupled to a 700R and 3.45 9 bolt rear. I have been told a 2600 stall would be good for what I wanna do. that way i can scavenge all the low end torque. I really like my buddies ACT, it gives you streetability but really kicks in when you gun it. What y'all think?
355 with warmed over vortec heads, Superram upper and runners, Forged flattops, an a 224* cam with .465 lift. It's going into an 87 Iroc slimmed down to about 3400 lbs. Coupled to a 700R and 3.45 9 bolt rear. I have been told a 2600 stall would be good for what I wanna do. that way i can scavenge all the low end torque. I really like my buddies ACT, it gives you streetability but really kicks in when you gun it. What y'all think?
Junior Member

Joined: Nov 2001
Posts: 96
Likes: 0
From: Palos Hills, IL
Car: 1988 IROC
Engine: 383 SP
Transmission: 700r4
Axle/Gears: Dana S60 4:10
Any of those or a ProTorqe Converter will do very nice. Personally I just put a 2800 Vig. in my '88 383. It blows the M&H's tires off the car. Unless your foots in it, you'd think your driving a stock converter. Very nice piece, expensive but nice.
I have a Coan 3600. They are one of the best in the business. I like mine and it has never given me any problems on the street. I also retained the lockup feature of our trans. But around a 2600 would be good, you may even get it to flash higher than 2600 on the strip.
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