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08-31-2005, 03:11 PM
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#1 |
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Ride Hard
Join Date: Oct 2000
Location: Wyoming IL
Posts: 1,094
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Re: 408w running poorly
Jester,
Thanks for putting stuff into perspective...now I dont care as much about the leaky intake  Ryan
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65 Fastback 91 roller 306, H/C/I AOD-Bauman, PI Stallion, 4.10's and traction loc 04 Grand Cherokee Freedom Edition 79 Ford F-250 4x4 - Restored |
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08-31-2005, 11:06 PM
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#2 |
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Registered Member
Join Date: Jun 2002
Location: manassas, va
Posts: 186
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Re: 408w running poorly
Not having enough initial timing will cause the idle problem you are talking about. Set your baselines with atleast 10 degrees initial..
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1983 mustang, 393 cubic inch stroker small block, victor jr heads and intake, gold race 1.6 roller rockers. comp cam 304, 244@ .050. .576" hydralic retro roller cam,lunati rods. block was o-ringed,10:1 forged pistons, speed pro fit fit rings, clevite bearings,msd distributor and igniton,be cool huge radiator, black lite electric fan, march underdrive pulleys, mildon deep sump oil pan, mac 1 3.4" long tube headers, 3" dr gas x-pipe and mac exhaust,ARP bolts. car weighs 2900 lbs w/out driver, sub frames, weld wheels, mickey thompson sportsman pro 26 x 10.5 x 15's,#8 fuel line steel braided |
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09-01-2005, 12:20 AM
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#3 |
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Ride Hard
Join Date: Oct 2000
Location: Wyoming IL
Posts: 1,094
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Re: 408w running poorly
Bumped the timing up to 10 degrees, ended up at 12 at the end of the night. Loosened the bolts, re torqued them to 10, 20, then 25 ft lbs. Went over them tons of times. Surging idle is gone, carb acts like it is a little stumbly off idle, but runs tons better.
Took it for a test spin, not bad. Gonna let it sit over night, check the intake bolts again, then put the g-tec in it and get a ball park figure as to where we are. thanks guys, Ryan
__________________
65 Fastback 91 roller 306, H/C/I AOD-Bauman, PI Stallion, 4.10's and traction loc 04 Grand Cherokee Freedom Edition 79 Ford F-250 4x4 - Restored |
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09-01-2005, 06:50 AM
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#4 |
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Rat Killer
Join Date: Aug 2002
Location: Cold ass Ohio
Posts: 1,143
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Re: 408w running poorly
 Glad it worked out so far dude!!
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d-Con Racing "Nothing fancy, just 347 inches of RAT POISON!" MICE need not apply..... 
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09-01-2005, 07:21 AM
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#5 |
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Import Slayer
Join Date: May 1999
Posts: 2,241
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Re: 408w running poorly
Cool. Now it sounds as if you have some carb. tweaking to do.
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'82 GT 351W (.060)Comp Cams 274* Extreme Energy cam, ported & polished heads w/ 1.94/1.60 valves 10.3:1 flat top pistons,stealth intake, Mallory dizzy,Holley 750dp carb, BBK shorties,Flowmaster exhaust,C-4 with 3700 stall converter, B&M pro shifter,8.8 rear, 4:10's, subframes, electric fan, powermaster alternator, 4 core radiator. |
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