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07-10-2003, 05:58 PM
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#1 |
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Registered User
Join Date: May 2003
Location: Sacto, CA
Posts: 39
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Timing?
I have a '69 C/10 with a 305 V8.
I just put an edelbrock performer intake manifold and carb. it runs now, but the timing was way off when we put it back together, even though we marked where it was and put it back the same. we used a timing light to set it and tried 8 to 10, but it still seems to be kinda sputtering and coughing about in the middle of the throttle. it starts right up, and it doesn't diesel when i kill it. where do you guys time your trucks? would it be bad to advance it? would that maybe help the coughing and hesitation? |
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07-10-2003, 06:10 PM
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#2 |
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67-72 Addict!
Join Date: Feb 2002
Location: The TAX State!
Posts: 7,856
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check your carb settings.
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Jim 1970 C/10 Fleetside w/Ghost Flames Lowered 4.5" front and 4" rear (Raked) 355/350 Turbo w/shift kit 10" Redneck Performance Verter w/2500 stall Hooker Super Comps part#2808-1 Performer RPM Air-Gap 12 Bolt w/3:73 gears- Eaton Posi Comp Cams XE262 with 1.6 Crane Energizers, Road Demon 625 and Brodix IK 180 heads |
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07-10-2003, 06:13 PM
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#3 |
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Registered User
Join Date: May 2003
Location: Sacto, CA
Posts: 39
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...
yeah, my buddy had the carb on a really souped up 327 and we didnt adjust the settings at all yet.
do the screws on the front of the edelbrock carbs only adjust the idle air fuel mixture, or will they effect it when you are on the throttle too? or do we have to adjust more than just the screws on the front? |
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07-10-2003, 07:17 PM
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#4 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,402
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Your 305 will be fairly low comp, if you are runnning an HEI dist, I would shoot for about 11-12 degrees initial. if you want to play with the curve a little, you can install a Crane adjustable vac can, & a yellow/blue spring combo on the mechanical advance. Good luck,crazyL
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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07-10-2003, 07:48 PM
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#5 |
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CCRider
Join Date: Feb 2000
Location: Olive Branch,MS,USA
Posts: 2,232
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I have a timing light but I really can't remember the last time I used it. I have had so many chevys that the timing marks were really far off that I just forget the light. Advance it till it pings under full trottle and back it off till it quits pinging. If it cranks without kicking back thats where I run it.
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72 GMC Sierra SWB almost finished---- 84 Softail Olive Branch MS |
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