12cm exhaust housing

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At what RPM do you start building boost with your 12 cm exhaust housing?

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92 W350,LE, 4x4, DRW ,4:10 LSD, auto, 16cm2, PW injectors, K&N, autometer pro comp gauges exhaust temp, boost ,trans temp, tach,pump adjustments black & silver, running boards, stainless wheel covers

 

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Idle... hehe. No, but boost does come on strong soon as I hit the juice pedal! I don't have a tach to tell you what boost I can get where, but I can get over 30psi in 4th. If you are considering a switch, and you like to have boost, I can tell you that the 12 will get you more boost a lot faster than the 16. If you have any specific questions, feel free to e-mail me.

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• '93 250 LE 4x4 5spd 4:10 Loaded,dual 5" chrome stacks,12cm² turbo(37psi),PW injectors,K&N,pyro/boost,US Gear E-Brake,tool box,CB,10" AR rims, 285/75/16 Bf goodrich. "wirenut_21529" on Yahoo Messenger
• '97 Ford B-Series school bus (5. 9 Cummins!)I'm gonna Bomb it!
• '94 GMC 2500 6. 5L Turbo

PICTURES.

 

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That housing has been recommended to me as well - what effect does it have on exhaust temps in long heavy pulls? My temps now max out at 1150 (pre turbo) with the few mods listed below.

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Early '91 250, 727 AT, 307 rear... Banks Stinger exhaust, intercooler... US Gear OD... MORE than a match for every new PS Ford encountered so far...

 

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As long as this is up, will my 97 housing fit on my buddys '89?
Will he have to watch egts like a hawk?
Gene

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1997 Cummins Dodge 4x4 Bombed & Amsoiled. Amsoil Premiere Direct Jobber, Member of: NRA Business Alliance, GLTDR, WANTED: Wrecked Dodges.
www.awdist.com

 

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MGM

With a smaller housing and no intercooler you won't be able to use anything over 25 psi without reaching 1250 F pre-turbo. #ad


(edit) With pump tweaks and the stock 18. 5 housing, with stock injectors there would be heat issues. With other injectors, temps go through the roof

Sorry to burst the bubble!

Jeh

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Jason Hoffman
Lil' Mack - 89 D250LE 5 Spd 3. 54 Reg Cab. K&N,"tweaked pump", BD Injectors, Banks Pyro/Boost, 3. 5" Exst tail section straight. E&M Custom seats. Bosch H4, PIAA 80W/80W HdLites. 100W Drv,55W Fogs. 237,500 miles (380,000 Kms) 7850 Hrs.
Cummins Power Booster member.
The Original Turbo Diesel

Lil' Mack Pics

[This message has been edited by Lil' Dog (edited 01-08-2001). ]

 

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Plowboy,

I think your next step is an intercooler! With your gears you would run out of boost with the 12. What are you getting for EGTs now?

Now Gary would benifit from the 12! Higher cost than the 16, unless you have been given one! The 14cm2 would be a perfect app. for a 307 geared auto.

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Owner: Stabco Repower, The turbo housing guys. '89, CC, SB, 5sp, 3. 54, 16cm2 housing, maxed fuel, KN, Banks exh w/muffler, Horton fan clutch, Autometer liquid filled gauges, Accessory tach option, 100% Dyna-Mat, Borgeson steering shaft, Firestone air bags, Chrysler V-twin air comp, 2. 5" lift, Rancho Shocks, Alcoa LTS wheels, BFG 255/85/R16 MTs (33. 3")

 

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I have a 12cm wastegated housing and a 16cm, if any wants to trade for a 14cm wastegated.

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88 GMC CREW CAB 4X4 89 6BT,NO INTERCOOLER YET,AUTO METER LIQUID FILLED GAUGES,NV4500,NP205,4. 10's,35 BFGA/TKO,6" LIFT,DETROIT LOCKER,16CM,K&N,3. 5 EXHAUST,BD PIERS SPECIALS INJECTORS

 

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Stab, thank you for responding. This truck is factory intercooled. EGT is 1350 max degrees pulling trailer with race car on it and going up a mile long hill. Pyro is installed pre turbo. Max boost is 32lbs.
MPb


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92 W350,LE, 4x4, DRW ,4:10 LSD, auto,DTT converter, superior transmission shift kit, 16cm2, PW injectors, K&N, autometer pro comp gauges exhaust temp, boost ,trans temp, tach,pump adjustments black & silver, running boards, stainless wheel covers, 74 Road Runner, 69 Dart GTS factory 383 matching no. s

 

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Shannon, Your welcome to my 12cm wastegated housing if you want to try it out.
Don

 

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Thanks Don, I,m still gathering information and trying to weigh this thing out. See you on the 3rd. Shannon