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  1. 72Fourspeed

    Performer Rpm vs Torker on the street

    Has anybody swapped a Torker for an RPM? I know the dual vs single plane theories, but has anyone done it ? My car (72 RR, 400,4spd,3.55s) liked the Torker as long as my foot was in it,or when over 2500 rpm. Hoping the performer rpm smoothes things out.
  2. 72Fourspeed

    Carb troubles

    Has anyone had ethanol troubles with a Holley? I just bought a 72 RR,400,4speed. Has headers & a Holley. Rest of engine specs unknown. But p/o reported running some ethanol thru it caused problems. Car pulls like freight train once it gets some rpm, but tries to load up down low & seems like its...
  3. 72Fourspeed

    Cold Weather Block

    Anybody ever hear of a cold weather block ? Was talking to a guy about an engine & he mentioned it. I never heard/read about that one. Anybody else ever hear of such ?
  4. 72Fourspeed

    Help !!!!!

    Have a chance to pick up a couple of used 440s on the cheap Where is the code to decipher these babies ? On the pad 1 of them reads t 8 440 e . The other has a 7r cppd in a clover type arrangement. I have not seen them,just relaying the info I got. Hard to haggle if you don`t know what they...
  5. 72Fourspeed

    Decode question

    Can anyone decode a set of exhaust manifolds for me ? I was offered a set of "big block" manifolds with the following numbers; 3751071 and 3751068. I believe they are 72-74 or so BB Charger manifolds. I have not seen them yet, so cannot describe them . Guy says they look like the HP from...
  6. 72Fourspeed

    Need some info

    I`m looking at some 451 parts. KB215 pistons & 440 rods. If they are 10.5 to 1 in an engine with 906 heads, what would they be with 452s on top instead ? Love this site !!!! Don.
  7. 72Fourspeed

    Roller rockers ?

    Been out of the game for a while due to family, kids, etc. I found this site & have been a loyal lurker for a bit. Joined up recently & have learned a lot. Much has changed since 80-81. Now for the ?s. I`ve been scrounging parts for a B motor. I want a 451 eventually, so I`ll limit my...
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