TO4B ???

I recently acquired two TO4B turbos in a trade and was thinking about building something for them. Are these good for a twin turbo setup? What cubic inch will they support? Any info would help. I would like to stay with a big block.

T04B is a bit like saying you have a 440. Doesnt tell you any of the meaningful information. What MM are the inducer and exducer of each wheel? What is the A/R rating on the turbine housing?

With that info we will know alot more.

A pair of those with 60-1 compressors and P-trim turbines under .96 or larger housings are great for a mild 440 build. They can support more than 500 hp each.

If you've got the dinky stuff that came on 4 bangers then it's a different story.

The compressor side is A/R .60 and the exhaust side is A/R .96. Is that what you are asking FEETS? They were on a big block chevy. I think a 468.

More than likely they will way to small if it has anything to do with the car in your avatar.....depending on their size they would be ok on a decent smallblock..but not a big block.

They would work well on a street application or a race setup that you are not trying to run 9's. I have a pair of 57mm T04E's on a stock 383 (stock cam as well) and they pushed my 3200lb car to 94mph (1/8 mile) with 2.56 gear

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The compressor side is A/R .60 and the exhaust side is A/R .96. Is that what you are asking FEETS? They were on a big block chevy. I think a 468.

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Those would be perfect for a 700 to 800 hp big block. Lotsa fun on the street too!