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I hope all that attended the Spring Fling had a blast. I parked the Roadrunner because I think I need to change the cam out again. Thats going to happen tomorrow finally. I don't know if the last cam was too big or if the cam was not degreed in properly so since I don't have the spec card...

My car is very orginal but I either need a new black MOPAR radiator, 26 inch, or re-core my original radiator. Where are you buying new radiators? I seen them in Year One and Classic Industries will take about 3 weeks. Thanks, Barry

First I'd like to thank all that posted responses in the last post. Just got back from a trip. Left the RR with the dyno shop for a week. They did all they could do they thought, then they found a serious vacuum leak coming from the carb gasket if I got the info correctly. Will find out more...

We put the 670 carb in and capped off the vacuum advance and that moved the curve up about 1000 rpms. Hp is 329 was 293 and tq is now 438 was 401. Runs great on the freeway and after initial acceleration. It is a Whiplash cam and 452 heads. Problem is, it has no low end acceleration, even...

Currently my fuel line goes from the fuel pump under the alternator against the block/water pump and up the the carb. The car runs well cool bt when the car warms up, the car doesn't run as well. I think the gas is getting too hot. What is the correct way to run this fuel line on a stock 383...

I had the car on the dyno and its only making 260 hp and 350 tq and when shut down, the engine deisels. We changed out the distributor and also put in a Flame Thrower Peritronix (sp?). I had a Holley 770 on the car and took it off and installed a 670 Holley. The last dyno on the car results...

I finished replacing my rear main seal again. After the first two drives there was no leak. Now there seems like there is a minor leak. I'm taking it to the races at Barona today but not to race. After about a 1/2 drive, I put a piece of cardboard under the car and throughout the night...

I ordered the Mancini rear main seal kit housing, guide pins seals and it came with no instructions. What is the correct way to install the seal? Which way does the seal face and how do you konw what is the front of the seal that faces in toward the engine and what is the part that faces back...

What is a good quench for the engine? I have a high performance head gasket that is .041. How do I measure the piston in the hole so I can add that number to the .041? I'm reading that the around .045 is ideal for about 10.5-1 compression with flat top pistons. I'm also using 440 heads...

I read the post about the problem with the leaking rear seal. I ordered the rear main seal kit from Mancini. The mechanic has never done a rear seal change on a Roadrunner and belives this can be done with the transmission installed. So my question is: can you change the rear main seal with...

I was looking at the engine trying to see why the butterfly on the carb didn't work when I noticed a thin green wire near the alternator was not connected. I took the car to a friend's shop but he is not familair with old cars. He said the wire going to the alternator was missing and that was...

I believe I'm reading the book and correctly timing the 383 in my car at TDC on the #1 sparkplug wire. Is this corrcet for a 383 built around September 1968? Thank you, Barry

Thank you for the help. There never was any forged piston noise. We changed all the bearings only the main bearings were installed incorrectly. We flushed the engine, inspected the piston and cylinder walls, installed all the new bearings added oil and a new filter started the engine and all...

Sorry for the seperate post. When we pulled the main bearings we found out the oil supply hole for the bearing was on the bottom and on the top where the port is for the oil supply had no oil supply hole so the bearings weren't getting any oil. Does this make sense concerning the problems and...

I posted this probably last year, thought it was fixed but: I heard the piston noise that they say is expected from using forged pistons and after a little warm up the noise was gone. But when I first started the car and I could hear the pistons, then I stepped on the clutch pedal and could...

http://www.herbsparts.com/products.asp?cat=503&pg=2 I ordered a set of year specific spark plug wires from Herbs Auto Parts and the shipping company made an error. Bob called the shipping company and paid for them to ship them to me overnight so that I could install them in time for the Spring...

When we rebuilt the car we did not find a broadcast sheet. Is there any way to get another broadcast sheet reconstructed? Thanks, Barry

I want to go to Spring Fling in the stock class. I would like to get a MOPAR battery that fits the Roadrunner. Also they want to see spark plug wires that are the original color. What is the correct battery to use for our Roadrunners from MOPAR and what are the correct colors for the spark...

When I received my new fender tag I installed it so that you can read the letters and numbers from the side of the car. I was told that you should be able to read them from in front of the car. Which is correct? Also, was the fender tag mounted with screws or rivets? Is the fender tag...

The engine has plenty of hp/tq for street use but the engine makes noise when depressing the clutch. Rebuilt trans and all new clutch parts. A local engine/MOPAR shop sounds like it can be the engine thrust bearing. Any thoughts? How fast should I pull the engine? Thanks, Barry