General Category > Quadrajet Carb Talk and Tips

Factory jets/rods 17085003

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Joey85:
Thank cliff, but I couldn't find any info on "s" rods. Do these have .036 tip? How much do they taper by? .010 or .005.

Where should my metering rods start to come up with engine load? Idle is 20.5" and cruise at 60mph flat is 14.5-15". SM465 transmion. Thanks for the help

Joey85:
Drove truck to work today and before I left I put the 75 jets in it. Went few miles and felt slogish so stoped and brought the timing up and helped some. Went 8 mile at steady 2500 rpm (62-64mph) and cut it off pulled over. Took plug out and was white. Brought the apt up 3 from seated. Went another 8-10 miles and checked it and brought it to 5.5 turns from seated. Feel good at cruise but sluggish accelerating. Got home and checked plugs and they seem ok but stop and go and long driveway before that.
The cam right now is basically the 290 hp cam specs and the intake is a knock off of elderbrock performer (dual plane).
Heads is 200cc intake runners. 2.02/1.60 64 cc with 12cc pistons. 1.6 rockers to help lift. Truck weighs 8,600 gross and someone put 305 88+ from camaro and the 350 is all I had.
Would the 76 jet be to big?
Would a stock spread bore intake be beter than the performer with the 200cc heads. I never go over 4,500

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