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Thread: Larger engine tames a cam???
          
   
   

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  1. #9
    billlsbird is offline CHR Member Visit my Photo Gallery
    Join Date
    Sep 2004
    Location
    Pahrump
    Car Year, Make, Model: '32 Ford 3 Window Coupe w/ 392 Hemi
    Posts
    916

    ....Thanks everyone .... In fact I ordered my cam the other day. I went against pretty much everyones advice & got a smaller cam than suggested {Comp Cams & AFR {I have there heads} said to go bigger, plus a few individuals}. I was just too worried that my stall wouldn't be high enough & I didn't want to have to replace it. It stalls between 2200 & 2600 according to the manufacturer {Calif Performance Trans, owned by Art Carr, who owned Art Carr 15 years ago, before he sold it}. The cam I got was Comp Cams #XE-274H-10, part # 12-660-47, Extreme Energy, 4/7 swap, 230/236 @ 1/2" duration, 274/286 total duration, lift with my 1.6 rockers is .523/.523, cam calls for a 2500+ stall. It's a 413 small block with AFR 195 heads. 750 double pumper. The place that's rebuilding the carb {The Carb Shop in Ontario, Ca.} did say that I picked a good cam as did my engine builder {except he said NOT to go with split duration, but I did}. Anyway, Comp Cams said to go with a 240/246 that required a 2800+ stall, they said with a 413 it'd be good. AFR said to go even a little bit bigger..... I plugged dozens of cams & combo's into my Desk Top Dyno & the one I picked looked best to me. The bigger ones lost a BUNCH of TQ at lower RPM's. I DON'T want that! The last cam that this motor had was either a 222{or 224} / 232{or 234} at 1/2" although the TOTAL duration was 50 more than what it was at 1/2" where as this cam is not. I don't understand this! {old motor put out 499 Tq. @ 4000 & 438 HP @ 5200}. Anyway, so I know that my car will be ok with this converter as it was fine in the previous car with a smaller cam {or was it smaller??? being that TOTAL duration on the intake was about the same.....} I'm going to re post and ask this...... Bill

    ps, oh the headers that I have for this car {'32 Ford} are 1 5/8" primaries so they are small. Old car had 1 3/4" primaries.....
    Last edited by billlsbird; 07-18-2006 at 05:08 AM.

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