5 bolt vs 4 bolt housing
11-04-2004, 05:30 AM
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5 bolt vs 4 bolt housing
I've read a few old post on the discussion of placement and how the turbo sits on the manifold between the 2 housing styles. However none went into any discussion on which flows better. Is there any difference between a .63 AR Precision 5 bolt and a Garrett 4 bolt exhaust housing? any test conducted between the two? Is it worth the switch from one to another?
11-04-2004, 07:24 AM
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Re: 5 bolt vs 4 bolt housing (ELSpool)
The 4-bolt housings a slightly more efficient. The internal wastegate swing arm hole that the 5-bolt housings have makes them less efficient.
11-04-2004, 02:58 PM
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Re: 5 bolt vs 4 bolt housing (RyanCivic2000)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RyanCivic2000 »</TD></TR><TR><TD CLASS="quote">The 4-bolt housings a slightly more efficient. The internal wastegate swing arm hole that the 5-bolt housings have makes them less efficient.</TD></TR></TABLE>
Sort of.....Really its more of a placement issue than anything else. The changes in efficiency can't really be felt on the butt dyno. It will not make much of a hp difference
Sort of.....Really its more of a placement issue than anything else. The changes in efficiency can't really be felt on the butt dyno. It will not make much of a hp difference
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