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07-11-2002, 07:39 PM
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#1
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Registered User
Join Date: Oct 2000
Location: California
Posts: 136
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PLEASE HELP - questions on 383 stroker
i built a high performance 383 stroker and dropped it in my 1978 chevy 4x4. i have to move to sacramento now (3 hour drive from where i live now) and i have no exhaust.. just straight headers.. is it safe to run it for that long with just headers? i dont think anything will warp when i shut her down cuz its like 114 in sacramento. im mainly wondering about back pressure problems.. please let me know thanks a lot.
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07-11-2002, 07:42 PM
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#2
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Registered User
Join Date: Oct 2000
Location: California
Posts: 136
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oh another thing.. they are the shorty truck headers from summit racing.. if you wanna hit me up on AOL my names QuikBlend
THANK YOU IN ADVANCE!
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07-11-2002, 08:30 PM
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#3
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Junior Member
Join Date: Dec 2001
Location: KS
Posts: 89
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late models and sprint cars run open headers in circle track for 100 laps at a time (approx 30 minutes) and dont warps valves. this is at high load, extreme rpm, and around 700 to 830 hp. Never had a problem. Might be a good ticket though!!!!!!!
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07-11-2002, 10:12 PM
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#4
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Member
Join Date: Sep 2001
Location: Lewiston, ID
Posts: 732
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with the shorty headers, though, you've got the exhaust exiting right in the engine bay, as opposed to under the car. I'd be concerned about exhaust gasses possibly entering the cabin, so keep the windows down at the least...
Other than that, the only problem is going to be noise tickets like taylormade mentioned!
__________________
1977 Camaro - 350 finally runs!
'86 Camaro SC - no engine/700-R4.
'92 LeBaron - all family owned, great driver, 52mm TB, more mods coming...
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07-12-2002, 12:47 AM
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#5
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Registered User
Join Date: Oct 2000
Location: California
Posts: 136
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thank you so much! ill be doin about 80 mph with windows down so i think i should be okay.. just worried about warpage and stuff but you guys saved me THANKS! -Ryan
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07-12-2002, 07:38 AM
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#6
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Registered User
Join Date: Mar 2000
Location: Point Pleasant, NJ... USA
Posts: 5,409
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Quote:
<font face="Verdana, Arial" size="2">Originally posted by mortal z28:
thank you so much! ill be doin about 80 mph with windows down so i think i should be okay.. just worried about warpage and stuff but you guys saved me THANKS! -Ryan</font>
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Just makesure the carb is properly jetted?[78 I assume it's a carb not FI]
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94Z28 KN FIPK CAI,Meziere Electric Water Pump, MSD 6A,MSD Blaster Coil,Moroso 8mm Wires,March 20%Underdrive Damper w/10% OD alt pulley,Ported/descreened MAF,A4 First Gear Mod,Jamex STB,1LE Alum DS,1LE Trans Mount,Powerslots w/KVR pads, T/A rear cover,TB Bypass,160* Stat,Airfoil,150MPH Speedo,Mobil 1 Synthetic Thruout,3 to 5 Spkr Bose
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94Z28, A4, KNFIPK, Edelbrock Shortys, CraneGold 1.6 w/LT4 springs, Borla, MSD6A & Blaster, Moroso 8mm, March 20%UD Damper, Ported/!MAF, TB Bypass, Airfoil, 160*, Goodyear Hi Miler[95 config], LT4KM, Jamex STB, 2.73,T/A Cover, 1LE DS & Trans Mount, BMR LCA&PHR, Powerslots, KVR pads, Earl's SS lines, 2K Zwheels, 150Speedo, ES sway & torque arm bshngs,Mobil1
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07-23-2002, 04:01 AM
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#7
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Registered User
Join Date: Oct 2000
Location: California
Posts: 136
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TTT  valve warpage to worry about on short headers in 100 degree weather???
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