Hmmmm, so does that mean the set of TRW forged 383 +.030" 10.5 to 1 pistons we have laying around will fit our (in need of an overhaul) 413 if we overbore it? Bill & Tami Roddick Port Orchard, WA 1964 Imperial Crown 4 DR HT 1972 'Cuda 340 (Tami's Toy) 1988 Cherokee Laredo 1995 Concorde ----- Original Message ----- From: <FltSgt@xxxxxxx> To: <mailing-list@xxxxxxxxxxxxxxxx> Sent: Monday, December 22, 2003 10:36 AM Subject: Re: IML: Please Welcome a New Member Patrick Williams (1964) > Patrick > > Glad to have you as a member of our group. If you install a 400 engine ( > which did not get issued until 1972 ) you will find that all factors will lessen > in power, fuel economy or any other subject. > > If you obtain a set of standard sized 383 four barreled any year pistons ( > 4.25" ) they will fit on your 413 rods and the new engine size will be 426 > cubes. Any NAPA or who ever machine shop can over bore the 413 and when finished > your Imperial will still move down the high-ways and by-ways around High > Desert, Calif. > > Oh yeah, how did you find your '64; how is it optioned; or any other tidbits ? > > Rodger > Colo Spgs