distributorguy Posted April 12, 2017 Report Share Posted April 12, 2017 If you look at the supercharger kit that Moss Motors has sold hundreds of for MGBs, Triumph TR4s and TR6s, they use an Eaton pump along with a single HS6 or HIF44. Problematic as the carbs are, they all develop good power and have solid reliability at 5-7 psi boost. Pulley kits are available, so a call to Moss and a chat with their tech department may get you the pulleys you need! I'd still look at other carb options. That intercooler is fantastic. I've seen intake air temps exceed 325 degrees, so the correct diameter tubes are very important. Low volume runners/extreme velocity = excess heat via friction. Its equally important to have an exhaust system that would seriously outflow the stock system. More in = more out. Since there is no turbo sucking on the pipe, typically the head would be ported in a way that increases the intake/exhaust flow ratio by porting only (mostly anyway) the exhaust ports for more flow. Simply eliminating the side wall "lumps" around the head bolts make the biggest reduction of turbulence in that head. Quote Link to comment
spdcrazy Posted April 12, 2017 Author Report Share Posted April 12, 2017 I have 2.25in exhaust with a cast manifold. Head is an open A87 with 1mm oversized intake valves a bowl blend, light port work too. Block is bored 30 over as well. Should flow pretty well I'd be interested in hearing of other options on carbs, but room is limited back there due to the larger brake master cylinder (figured stopping is important to) Quote Link to comment
Xnke Posted April 12, 2017 Report Share Posted April 12, 2017 You are aware running an intercooler is not possible when running draw through, right? Same rules as turbos, one backfire and BOOM. Whole intercooler explodes... 1 Quote Link to comment
spdcrazy Posted April 12, 2017 Author Report Share Posted April 12, 2017 Ya. No intercooler for me. Might look into water meth injection tho Quote Link to comment
Xnke Posted April 13, 2017 Report Share Posted April 13, 2017 Just making sure man-I'd hate to hear you had to pick up aluminum shrapnel off the road and weld up holes in your fenderwells later on. I've watched it done at the track-it was a pretty damn good boom! Quote Link to comment
spdcrazy Posted April 13, 2017 Author Report Share Posted April 13, 2017 I bet! My buddy literally blew up a twin supercharged V8 and couldn't hear for days. Not my idea of how to build a daily driver. Quote Link to comment
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