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roadrunner inner fender differencesRoadrunner73NC 06-30-2010, 11:57 PM i have seen a few factory big block 73-74 roadrunners with the big gaping hole in the passenger side inner fender, why is it so different from the factory small block inner fender? will there be issues putting a big block in a small block car without changing this? Revhendo 07-01-2010, 01:03 AM What hole? I swapped a 440 into my 73 runner and didn't have an issue. What did I miss? Ralph Cali 07-01-2010, 08:55 AM I have the same swap. 440 into small block inner fender 73 RR. The larger cut out allows easier access to the spark plugs through the opening. Its very tight to get the plugs in with the small block steup with TTI headers Ralph 74sundance 07-01-2010, 09:54 AM This inner fender is from a big block 400 Satellite Sebring I parted out.You can see the large opening. 16432 74sundance 07-01-2010, 09:58 AM This pic shows my 1974 Plymouth Satellite factory small block 318 it only has the small opening.If you look closely you can see that the big blocks hit the passengers side inner fender when put into a small block cars. 16434 Ralph Cali 07-01-2010, 11:57 AM How much do you want for that inner fender in the photo graph of the big block satellite ? is it from a 73 Thanks Ralph 74sundance 07-01-2010, 12:45 PM I'll have to dig it out and look it over,it's sat for a few years.I'll be in the U.S.A all weekend so it will have to wait untill Monday.PM me on Monday or I'll forget. Roadrunner73NC 07-01-2010, 10:00 PM how bad does it hit? scotts74birds 07-02-2010, 06:50 PM What is used to cover the hole in the BB app? Metal panel, rubber splash shield, combo? Ralph Cali 07-06-2010, 06:08 AM Year one seels a splash shield made of rubber I believe with the correct attachment clips Checkout the catalog Roadrunner73NC 07-06-2010, 11:20 AM how bad does it hit when you put a big block into a small block car? anyone know? YY1 07-07-2010, 07:02 AM Someone put a 383 in my factory 318 '74 SE. They beat down that area pretty bad to clear the "log" style manifold. I had no idea inner fenders were different between BB and SB cars. Now I know, and know why. For the record, my plans are to put a late model "magnum" 5.2 FI w/OD trans in. More net HP that any available "74 motor except the 440, better mileage and reliability to boot. Plus, it will still be a 318 car. scotts74birds 07-07-2010, 07:08 PM My 383 headers dont hit, but as far a changing the plugs...fuggeddabbout it! Major P.I.T.A! | |||
