Turbo help what turbo do I have

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Turbo help what turbo do I have

Post  Bigblockfox on January 19th 2011, 10:58 am

A buddy gave me a turbo off of a 350 cummins. What size turbo is it? Thanks

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Re: Turbo help what turbo do I have

Post  Bigblockfox on January 19th 2011, 11:16 am


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Re: Turbo help what turbo do I have

Post  whatbumper on January 19th 2011, 4:08 pm

about a 76mm. dinosaur of a turbo. very inefficient for a gas motor.

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Re: Turbo help what turbo do I have

Post  jones on January 19th 2011, 4:11 pm

My brother uses the turbos off a 5.9 Cummins for is Honda engines. I want to say those are 56mm Holsets.

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Re: Turbo help what turbo do I have

Post  Bigblockfox on January 19th 2011, 4:14 pm

whatbumper wrote:about a 76mm. dinosaur of a turbo. very inefficient for a gas motor.

So it would work on a stockish 460?

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Re: Turbo help what turbo do I have

Post  bbfhnj on January 19th 2011, 9:54 pm

I would not go through all that work for so little gain.

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Re: Turbo help what turbo do I have

Post  AK on January 19th 2011, 10:16 pm

that does seem like a lot of work and b.s. for an old used turbo that you dont have any real specs on. Plus, unless you know the history, that thing could have a half million miles on it and let go at any time.

Unless you just want to experiment.
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Re: Turbo help what turbo do I have

Post  whatbumper on January 20th 2011, 12:39 am

Bigblockfox wrote:
whatbumper wrote:about a 76mm. dinosaur of a turbo. very inefficient for a gas motor.

So it would work on a stockish 460?

the map would be awful on a gas burner. remember they were built to run on 1800-2200 rpm engines.

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Re: Turbo help what turbo do I have

Post  EVE on January 20th 2011, 2:49 am

4 of them might work decent on a stroker engine. I've actually been debating it.

whatbumper wrote:
Bigblockfox wrote:
whatbumper wrote:about a 76mm. dinosaur of a turbo. very inefficient for a gas motor.

So it would work on a stockish 460?

the map would be awful on a gas burner. remember they were built to run on 1800-2200 rpm engines.

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Re: Turbo help what turbo do I have

Post  whatbumper on January 20th 2011, 9:46 am

hmmm. I would hate to see the piping.

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Re: Turbo help what turbo do I have

Post  EVE on January 21st 2011, 1:35 am

whatbumper wrote:hmmm. I would hate to see the piping.

I have plenty of room in the new truck but I'm thinking twin 88's or S480's are going to be better for me.

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Re: Turbo help what turbo do I have

Post  Bigblockfox on January 21st 2011, 2:27 pm

After more researching I found that the t46 was replaced by the ht3b. This turbo is rebuilt and has no shaft play in it. Im wanting to run it in a fox with a mild 460. Dont want a race car just something different. Will this turbo support 600hp? If things need to be changed what are they? thanks

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Re: Turbo help what turbo do I have

Post  EVE on January 21st 2011, 3:43 pm

Bigblockfox wrote:After more researching I found that the t46 was replaced by the ht3b. This turbo is rebuilt and has no shaft play in it. Im wanting to run it in a fox with a mild 460. Dont want a race car just something different. Will this turbo support 600hp? If things need to be changed what are they? thanks

You could get 600 horses N/A without even trying. Turbos are a pain in the rear to setup and unless your shooting for 1000 or more it's not worth it. This will be my 3rd turbo BBF engine so I'm speaking from experience.

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Re: Turbo help what turbo do I have

Post  Bigblockfox on January 21st 2011, 3:55 pm

EVE wrote:
Bigblockfox wrote:After more researching I found that the t46 was replaced by the ht3b. This turbo is rebuilt and has no shaft play in it. Im wanting to run it in a fox with a mild 460. Dont want a race car just something different. Will this turbo support 600hp? If things need to be changed what are they? thanks

You could get 600 horses N/A without even trying. Turbos are a pain in the rear to setup and unless your shooting for 1000 or more it's not worth it. This will be my 3rd turbo BBF engine so I'm speaking from experience.

Are they that hard to set up? I may just want to stick to N/A and nitrous.

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Re: Turbo help what turbo do I have

Post  whatbumper on January 21st 2011, 4:05 pm

it's not hard but a single turbo is not normally practical on that large of an engine due to backpressure issues with the large volumes of air that we are talking about in these engines. Y would have to keep your revs really low. It would make so much low end torque that it probably would not be fun to drive on the street.

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Re: Turbo help what turbo do I have

Post  Bigblockfox on January 21st 2011, 4:31 pm

whatbumper wrote:it's not hard but a single turbo is not normally practical on that large of an engine due to backpressure issues with the large volumes of air that we are talking about in these engines. Y would have to keep your revs really low. It would make so much low end torque that it probably would not be fun to drive on the street.

You coming up this year to run in wildstreet?

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Re: Turbo help what turbo do I have

Post  whatbumper on January 21st 2011, 5:38 pm

Bigblockfox wrote:
whatbumper wrote:it's not hard but a single turbo is not normally practical on that large of an engine due to backpressure issues with the large volumes of air that we are talking about in these engines. Y would have to keep your revs really low. It would make so much low end torque that it probably would not be fun to drive on the street.

You coming up this year to run in wildstreet?

planning on it. trying to coordinate schedules. they are the last group to post their schedule. we are planning on two OTT5 races, all the TTT5 races, a couple WTTTF races and what ever will fit in between all those in wild street. hoping for a good year of racing. last year killed us. we are making a couple of changes; new ignition, new anti-roll bar, moving some weight around.

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Re: Turbo help what turbo do I have

Post  IDT-572 on January 26th 2011, 2:47 pm

whatbumper wrote:it's not hard but a single turbo is not normally practical on that large of an engine due to backpressure issues with the large volumes of air that we are talking about in these engines. Y would have to keep your revs really low. It would make so much low end torque that it probably would not be fun to drive on the street.

300 hp @ 4100 and 800 ft lb. of tq. @ 1900 rpm.................. Laughing
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