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  1. 70RoadRrunner

    Crankshaft Damper Timing Marks

    As I get older, my eyes have a harder time seeing the timing marks on my damper. Anyone have tricks using paint/crayons/etc. to help the tick marks stand out? Crayons may melt with engine temp - might not be a long term solution. Thank you.
  2. 70RoadRrunner

    383 Performance Combo's

    Hi guys, I did a search but did not find a thread on this - correct me if wrong. I noticed most of the 1/4 mile guys are running something other than a 383. Looking to see what 383 combo's people are using and what they can do in the 1/4 mile. Let's keep it to standard stroke (no-strokers)...
  3. 70RoadRrunner

    Big Cam (to me) and Low Vacuum - Is this Correct?

    Happy Sunday. I have a relatively big cam: 300 Advertised 245 @ .050 .510 lift When in park with engine idling @ 1000 RPM, I get 6-7 inHg. In drive with engine idling around 800-900 RPM, I get around 3 inHg. Does this seem correct to you guys?
  4. 70RoadRrunner

    Gauges in Radio Location on 70RR

    Anyone install gauges in the stock radio location on a Road Runner? I'm in the process of checking the measurements to see what will fit. If it looks good, I will fab a piece of metal to replace the radio cover. Looking for suggestions/inspiration. Thank you.
  5. 70RoadRrunner

    Power Steering Pump Leaking - Replacement

    I am looking to replace the power steering pump on my 70RR with 383. I believe it is a Saginaw unit with a keyed shaft (not pressed on). Will the 440Source unit be a good replacement?
  6. 70RoadRrunner

    Electric Fuel Pump Noise Level

    I have a Holley Blue pump in my 70 RR. Short piece of 1/2" hose to inlet Short piece of hose from outlet to tube 1/2" aluminum tube to regulator in engine compartment I know electric pumps are noisy but am wondering if I am getting a resonance out of the aluminum tubing. Anyone have...
  7. 70RoadRrunner

    Jegs Fuel Tank for 1968-1970 B-Body

    Anyone use these fuel tanks from Jegs?
  8. 70RoadRrunner

    A/F Ratios and Jetting a Holley Carb

    Hello everyone. I have a 70 RR w/383. Recently I started data logging my A/F ratio as I drive around the area (in town <50 MPH). When going through the 3 gears (727 w/RMV) I am seeing readings anywhere from 10-18 AFR. A majority of the time it was 12-12.5. Suggestions on what I should...
  9. 70RoadRrunner

    Hello, 70 Road Runner Here

    Hello from Illinois. I have had a 70 RR for about 12 years now. 383 .030 Over TRW L2293 Pistons Doug Herbert Cam 245 @ .050, .510 lift (I think) 1 3/4 Headers Auto w/2800 RPM Stall 4.10 Rear End Holley 770 Avenger Edelbrock RPM Heads and Intake, 1.5 Roller Rockers Electric Fuel Pump Just a...
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