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12-22-2008, 03:58 PM
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#1 | ||
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Registered User
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Wastegate
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1993 250 single cab 4x4, "Big Red", Phatshaft 62 Turbo, 4" exaust, NV4500, Southbend 13'' clutch, Industrial Injection performance pump, 5x.014 sticks, Raptor 100 fuel pump w/ Donaldson prefilter, 4" skyjacker and 37" Goodyear Wranglers on 16.5 old school chrome wheels. 361hp and 787 ft lbs on 4/13/2013 1991 Toyota P/U w/ 4bt, th350, coil spring dana 70 rear and 60 front (welded) w/ 5.87 gears and 44x19.5 Boggers. |
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12-22-2008, 04:49 PM
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#2 |
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Administrator
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What you are referring to is a blow-off valve. A totally different device from a waste-gate.
- A waste-gate bypasses some of the exhaust gas around the given turbocharger's turbine (the hot side) for possibly more than one reason (boost control, drive pressure control, etc). As such, the exhaust gas that it passes it typically plumbed back into the exhaust system, downstream of the turbo it's bypassing. - A blow-off valve vents excess boost pressure directly to the atmosphere through a pretty little horn thus the sound. In the case of the CTD, the blow-off deal might be nothing more than a "Bling Thing" . . . .. . I think.  So say the voices. 
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David Original owner of a 1993 W250 CC. |
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12-22-2008, 04:51 PM
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#3 |
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Registered User
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I just think it gives a distinct cool sound when you are under load.
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12-22-2008, 05:10 PM
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#4 |
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alwaysonDTR
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you mean a sound like this?
http://www.youtube.com/watch?v=0vMG1...e=channel_page
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yellow 82 crew 350,4x4,getrag,SB3600DD, swapted in a 91 cummins,compounds, studs,60lb.springs, intercooler,3" tubes,twin ram intake,366 clipped,fuel screw in M&H fuel pin(M2) and timeing spacer,piston LP,bypass regulator,big fuel lines,gauges,4inch exhaust,muffler http://www.youtube.com/user/91ctddc blue- 91 cummins,250,xxx getrag, 4x4,250,M&H fuel pin M2, 4inch strait pipe, gauges custom made intercooler, 3in. tubes,HX35/14 DTRgoofball club member #11 93 club cab 4x4 5speed 250k |
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12-23-2008, 03:55 PM
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#5 |
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Registered User
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Yeah something like that!
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12-23-2008, 07:22 PM
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#6 |
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Registered User
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Im pretty sure thats just the sound of his turbo spooling down.
14cm housing? Oh and straight exhaust!!! Mufflers kill all the great turbo noise.
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90 w350 c&c DRW Getrag Eatin rice and pooin bling |
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12-23-2008, 07:50 PM
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#7 |
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alwaysonDTR
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just the turbo spooling down, with the 14cm housing i was running, now with the 12cm wastegated housing that noise is gone if the wastegate opens
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12-23-2008, 07:50 PM
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