compound vs series December 08, 2016 04:28AM
was wondering if anyone has tried running a twin set of turbos in a llss class vs the compound setup
you see many drag cars setup parallel making big power, wondered how that carries over to the pulling world
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Re: compound vs series December 08, 2016 05:20AM
First, in most LLSS classes compound turbos are only allowed on 315 CID and less diesels. The reason for that is a 315 generally can't spool the 3x4 turbo buy itself so they are allowed a smaller turbo to make the 3x4 work.

In general compound turbos are used to generate high boost pressures. If you put 70 psi of boost into an automotive V-8 I don't think the block would hold it. Automotive mostly use twins instead of a big single because the plumbing is simpler and the smaller turbos with less rotational inertia spool quicker which is important in the automotive world, but less so in pulling.
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