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BREAKING: new 4 in 4 exhaust

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BREAKING: new 4 in 4 exhaust
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LakeWylieJoe_imp Offline
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RE: BREAKING: new 4 in 4 exhaust
#22



Boosted (super or turbo charged) engines can make do without scavenging because there is intentional valve overlap and the boosted incoming charge literally blows the spent gases out. This is also why WW2 fighters have short, straight pipes. On our bikes (inline 4) a 4 into one header provides the best scavenging.

(09-20-2020, 11:28 AM)mrichi_imp Wrote: If the 4into1 system is more efficient , how come dragsters just have straight out pipes ?
09-28-2020, 08:20 AM
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Messages In This Thread
BREAKING: new 4 in 4 exhaust - by franov_imp - 09-10-2020, 12:25 AM
RE: BREAKING: new 4 in 4 exhaust - by Paris_imp - 09-18-2020, 02:33 AM
RE: BREAKING: new 4 in 4 exhaust - by Roper_imp - 09-18-2020, 04:39 AM
RE: BREAKING: new 4 in 4 exhaust - by Roper_imp - 09-18-2020, 12:04 PM
RE: BREAKING: new 4 in 4 exhaust - by Roper_imp - 09-21-2020, 06:16 AM
RE: BREAKING: new 4 in 4 exhaust - by Paris_imp - 09-22-2020, 03:03 AM
RE: BREAKING: new 4 in 4 exhaust - by LakeWylieJoe_imp - 09-28-2020, 08:20 AM
BREAKING: new 4 in 4 exhaust - by PowerDubs_imp - 09-28-2020, 12:34 PM

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