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Old 01-03-2003, 10:27 PM
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Post twin turbo advice

I am rebuilding my 454 and I was going to put a 6-71 blower on it but I have found a gale banks twin turbo unit for a good price, my question is if I rebuild the engine with low compression and run fairly low PSI like 6-7 how streetable is a twin turbo going to be compared to a blower? It will be carbed and I like the turbos because they are unique and I wont have to cut my hood on my 68 firebird.
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Brian

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Old 01-03-2003, 10:35 PM
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I always thought turbos were more streetable then a blower??? I may be wrong though
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Old 01-04-2003, 01:49 AM
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Reliability won't be a problem but complexity will. Your kit should contain most of the pieces to make it work except for some parts you might have to fabricate. Cooling can be a big problem so your cooling system may need to be upgraded. It depends more on your knowledge and experience installing one or the other, there is a learning curve for both.

I like turbos, they give you the best of both worlds, mileage and power. It can be a bugger to get it all under the hood though, lots of plumbing.
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Old 01-04-2003, 06:14 AM
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Go for it! Get some reading material and start doing some online research on how to set it all up. It will be plenty streetable and will make more power at the tires than a blower due to better compressor eficiency and less loss to turn them.

Chris
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Old 01-04-2003, 08:05 AM
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You will experience less parasitic drag on the engine with the turbos than with a belt driven blower.

6-7 psi is a bit low for a turbo setup though. A good turbo system can easily see 15 psi plus.

Use an engine simulator program to estimate the difference in horsepower and especially the torque that a turbo engine generates. Run a blower setup against a turbo setup and see which combo you like better.

Try the following:

www.pchotrod.com
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