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Hi Guys, just wanted to share.....made the Switch from 750 AED DP to Holley Sniper EFI. Put a sump in the stock tank, put electric pump and EFI filter in, made new lines.....today absolutely first start of the engine with all new Setup (EFI and Victor single plane intake)...did not run since...

Hi, i like the idea of the street demon carburetor, tempted to buy a 750 for my street / strip engine (70/30 street strip use). I know they did not invented the wheel, it seems that it´s just a good combination of some proven carburetor designs like the Carter AVS, plastic fuel bowl like the...

Hi Guys, i´ve got a 750 cfm proform race carb for my 408sb. I could it get to idle halfway correct only with the idle mixture screws totally out, so far that theres no more effect when turning more. This makes me think if the idle air bleeds should be bigger for my application - or to...

Hi guys, i´m wondering about the cfm rating of Holley carbs. You can buy main bodies and throttle plates from a lot of manufacturers, they say these parts can be used from 650 - 800 cfm DP´s, for example. I do have a 650 DP (list no. 80777) and wonder what causes the differences in air flow...

Hi Guys, anyone had good / bad experience with the summit carbs? I´m thinking about using a 750 Vacuum secondaries for my 408. Link: http://www.summitracing.com/parts/SUM-M08750VS/ Maybe i can get some info here, Thanks! Michael

Hi Guys, was at Hockenheim Race track yesterday with some buddies, there was a dragster Test and Tune session and public race. I checked some engine bays and the guys running nitrous had these purge lines with a solenoid valve, i asked one which purpose does it have but he could not...

Hi Guys, i´m absolutely no carb expert and i need your help. A guy offered me a speed demon carb no. 1402010VE, 750 cfm vacuum secondaries. Is this a good choice for a 408 SB around 9 - 9,5:1 compression that should rev to 6000 max.? (no race engine, maybe 5% track time) I don´t know the...