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Thread: what are the best metering blocks for a 1200 dominator?

  1. #1
    Senior Member SENIOR BUILDER
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    what are the best metering blocks for a 1200 dominator?

    I have a Pro Systems 1200, the motor is a BBC 565", 14 to 1, Patriot 360 heads that HRD did the chambers, the pro systems carb was really lean so I kept going up on the jets and the hi speed air bleeds went down to .026 smallest ones we had,still could not get the EGT below high 1300, then I had a friend took stock holley metering blocks and he drills the passage out they work but same problem, now I can't find the metering blocks that came with this carb SO i'am hoping you guys will be able to recommend what metering blocks to buy? Thanks Doug

  2. #2
    Senior Member RACING JUNKIE curtisreed's Avatar
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    Hey Doug, call BLP about their wide body blocks.

    Curtis

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    Thanks Curtis I will give them a call, Doug

  4. #4
    Senior Member RACING JUNKIE curtisreed's Avatar
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    Hey Doug,

    What did you end up doing on this?

  5. #5
    Senior Member SENIOR BUILDER
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    Curtis I just ordered the wide body metering blocks from BLP, I have been fighting the high EGT's with the Pro Systems carb, I have 2 races in Sept. hope to get the car on a dyno before Sept. 17, will let you know the results. Doug

  6. #6
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    Blp

    Curtis I did order the BLP wide body's, went to put them on and surprise the bolts are not long enough I called them and asked why they didn't come with the blocks and they have them made so they are the supplier! now I'am having them 3 day shipped will be here tomorrow, I have a 2 day race this weekend so I will see how they work? I'am going to try smaller jets (.112) and go up from there. Doug

  7. #7
    Senior Member MASTER BUILDER
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    With the wide body blocks you also have to bend the accelerator pump arms.

  8. #8
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    Yep Mark they did tell me about that, any luck selling your 58 chevy? looks like a nice car
    Curtis went to Madras this weekend and I left the .112 jets in it that came with the wide bodies and the EGTs were high 1300 to low 1500 degrees BLP said .112 to .114 so I will try the .114 jets only problem it was my last race of the year!!, Doug

  9. #9
    Senior Member RACING JUNKIE curtisreed's Avatar
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    At least with these blocks you can jet up and the jet will be the restriction, not the emulsion tube and main well. You will get there with them.

    Curtis

  10. #10
    Senior Member MASTER BUILDER
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    Bowler, have some people interested in the 58 Delray. One couple drove here from about 100 miles away and we had a good time driving it around town. They seem pretty serious. I have the BLP wide body blocks on a 1250 for my new 582. Going to dyno soon. Had it running on my test stand. So far so good


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