DO I NEED A BIGGER CARB? - Team Camaro Tech
Engine General Engine Discussion.

 
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post #1 of 6 (permalink) Old Mar 23rd, 04, 03:37 AM Thread Starter
 
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I HAVE A 350 SBC IT HAS A 600 CFM EDELBROCK.THE MOTOR HAS RV TYPE CAM AND A DUAL PLANE EDELBROCK INTAKE.THE REST IS STOCK.ITS REAL SLUGISH FROM START NO POWER.WHEN I HAD THE 327 I HAD A 750 AND IT WOULD HALL SET UP THE SAME AS THE 350?
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post #2 of 6 (permalink) Old Mar 23rd, 04, 10:44 AM
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A 600 cfm carb should be fine for a mild 350.

Everyone tends to blame a carburator first when the problem is usually ignition or maybe something else altogether.

E85 racer and E85 carb builder

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68 Camaro, E85 powered 427" small block. 9.96 @ 133 MPH, 1.319 sixty foot on motor. 5.92 eighth @ 116 with a 1.42 sixty breaking beams with back tire on the bottle
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post #3 of 6 (permalink) Old Mar 23rd, 04, 03:47 PM
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A compression check would be a good idea. Also it would be interesting to see what a vacuum guage reads at idle. The guage might point to issues with the valve train or ignition timing. I think you'll find the 600cfm carb will work fantastic for a street rod. It's possible the carb needs adjusting or a rebuild. A 750 is pushing it for a 350SBC. IMHO that is better suited for a race motor that reaches or exceeds 7000RPM.

Dave
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68 Coupe, 350 w/ Edelbrock Performer RPM heads, cam, intake, 700R4, Dave's small body HEI
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post #4 of 6 (permalink) Old Mar 23rd, 04, 03:59 PM Thread Starter
 
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THE MOTOR HAS 200 MILES ON IT.IT HAS STOCK EXHAUST MANIFOLDS.IM THINKING OF CHANGING TO HEADERS TO HELP PERFORMANCE.THE IGNITION IS POINTS TYPE WITH A NEW SUPER COIL.I HAVENT ADJUST THE DWELL ON THE DISTRIBUTOR YET.SET THE TIMING TO 8 BTDC.IM GOING TO ADJUST ALVE TRAIN AGAIN THIS WEEKEND.WAITING ON A NEW SET OF VALVE COVERS NO SENSE IN REMOVING THEM TWICE.THE CARB IS A 600 EDELROCK NEW.I HAVE ADJUST THE MIXTURE SCREWS.IS THERE ANYTHING ELSE I CAN DO TO IT?

THANKS
TODD
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post #5 of 6 (permalink) Old Mar 24th, 04, 11:03 AM
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You set dwell FIRST, then timing (dwell affects timing). Check for vacuum leaks, throttle linkage, choke adjustment, accelerator pump adjustment, vacuum advance operation, and centrifugal advance operation. Tuning basics. [img]graemlins/thumbsup.gif[/img]

JohnZ
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post #6 of 6 (permalink) Old Mar 24th, 04, 01:08 PM
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A bad or missing condensor can also cause a power loss.

Dave
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68 Coupe, 350 w/ Edelbrock Performer RPM heads, cam, intake, 700R4, Dave's small body HEI
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