arronm Dropping a turd Gold Donating Members 9,520 Member For: 17y 2m 12d Gender: Male Location: Perth Posted 17/01/15 04:06 AM Share Posted 17/01/15 04:06 AM Its works like Lukes J pipes... Link to comment Share on other sites More sharing options...
"Captain Retard" Member 1,417 Member For: 10y 8m 6d Gender: Male Location: Shellharbour NSW Posted 17/01/15 04:10 AM Share Posted 17/01/15 04:10 AM I'm afraid to ask buuuut what's a Luke's J pipe? Link to comment Share on other sites More sharing options...
BenDoCo I'm getten too old for this s**t Bronze Donating Members 4,509 Member For: 11y 9m 1d Gender: Male Location: A big bridge over a river in South Australia Posted 17/01/15 04:14 AM Share Posted 17/01/15 04:14 AM (edited) Yeah I didn't understand about that either Arron....SDP explained a bit in my thread but ....Straight over my head Edited 17/01/15 04:15 AM by BenDoCo Link to comment Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,323 Member For: 19y 3m 16d Gender: Male Location: Perth Posted 17/01/15 04:15 AM Share Posted 17/01/15 04:15 AM https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=helmholtz%20resonator 1 Link to comment Share on other sites More sharing options...
JETURBO ...JD TUNING ADELAIDE... Gold Donating Members 23,708 Member For: 16y 7m 8d Gender: Male Location: Adelaide Posted 17/01/15 05:17 AM Author Share Posted 17/01/15 05:17 AM Do they work the same way as motorcycle airboxes?I know they make a huge difference to how a big bore sports bike performs.Motorcycle airboxes are critical to inlet resonance pulses and "tuning" them is a bit of an artThe ones on cars are much the same, the smaller the engine the more it has an effect iircSome small 4bangers like excels and mirages gan get aftermarket resonators to increase top end hp when your revving the tits out of them, HOT4's Mag back in the day did a fair wack of testing on typical 4's at the time and right down to cc size results of up to ( wait for it ) 4hp were gained hahaha but when your packing 75hp anyway its not bad lol The ones on these cars are 1/2 sound reduction and 1/2 to keep inlet pulses in tune 1 Link to comment Share on other sites More sharing options...
Lennox Member 2,586 Member For: 11y 10m 13d Gender: Male Location: Perth Posted 17/01/15 05:42 AM Share Posted 17/01/15 05:42 AM So what's in em - is it just an empty box tuned to the correct size, or is there pipes/sound absorbing material etc Link to comment Share on other sites More sharing options...
"Captain Retard" Member 1,417 Member For: 10y 8m 6d Gender: Male Location: Shellharbour NSW Posted 17/01/15 05:50 AM Share Posted 17/01/15 05:50 AM Ok thanks Luke, interesting.Wouldn't have thought that would really apply to charged engines, but I suppose air is air .Yeah motorcycle engines are very sensitive to even small airbox changes which I've played with in the past. Link to comment Share on other sites More sharing options...
JETURBO ...JD TUNING ADELAIDE... Gold Donating Members 23,708 Member For: 16y 7m 8d Gender: Male Location: Adelaide Posted 17/01/15 06:06 AM Author Share Posted 17/01/15 06:06 AM Just open chambers lennox Link to comment Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,323 Member For: 19y 3m 16d Gender: Male Location: Perth Posted 17/01/15 06:28 AM Share Posted 17/01/15 06:28 AM Ok thanks Luke, interesting.Wouldn't have thought that would really apply to charged engines, but I suppose air is air .Yeah motorcycle engines are very sensitive to even small airbox changes which I've played with in the past.J pipes are also hiemholtz resonators but used on the exhaust side to drone, very popular in the us on the big displacement AFM l series gm v8's Link to comment Share on other sites More sharing options...
JETURBO ...JD TUNING ADELAIDE... Gold Donating Members 23,708 Member For: 16y 7m 8d Gender: Male Location: Adelaide Posted 19/01/15 09:19 AM Author Share Posted 19/01/15 09:19 AM Part 1 = 400rwkw /end thread Link to comment Share on other sites More sharing options...
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