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More Great Turbo Tech from www.TurbobyGarrett.com There are two different types of turbocharger manifolds; cast log style (see Figure 3.) and welded tubular style (see Figure 4.).    Manifold design on turbocharged applications is deceptively complex as there many factors to take into account and trade off . General design tips for best overall performance are to: Maximize the radius of the bends that make up the exhaust primaries to maintain pulse energy Make the exhaust primaries equal length to balance exhaust reversion across all cylinders Avoid rapid area changes to maintain pulse energy to the turbine At the collector,...

What do you do when you get a cheap Civic and have some nice parts laying around? Well get $50 worth of Spray Paint and make it a lot cooler. We recently acquired this Civic and the immediate idea was to build it into a Chump Car. We of course knew we wanted a Camouflage Theme so that was the first step working with the car. $50 worth of Camo Spray Paint later we actually like it even more than when we got it with its basic Gloss Green paint job. Plans changed briefly as we happened to have a...

Courtesy of www.TurbobyGarrett.com A/R (Area/Radius) describes a geometric characteristic of all compressor and turbine housings. Technically, it is defined as: the inlet (or, for compressor housings, the discharge) cross-sectional area divided by the radius from the turbo centerline to the centroid of that area (see Figure 2.). Figure 2. Illustration of compressor housing showing A/R characteristic   The A/R parameter has different effects on the compressor and turbine performance, as outlined below. Compressor A/R - Compressor performance is comparatively insensitive to changes in A/R. Larger A/R housings are sometimes used to optimize performance of low boost applications, and smaller A/R...

Everyone loves a winner. The IPGParts.com Race Team travelled to Gainesville Raceway this past weekend (February 12th, 2012) for the Import Face Off Drag Racing event. Running in the All Motor Pro Class the competition was stiff and the team ran a best pass of 10.54 @ 134 MPH during the 2nd round qualifying session. This was the best MPH for the IPG All Motor Civic since being raced. Unfortunately there were no times to write home about ET wise for the weekend but in the end that doesn't matter. Going rounds and doing whatever is necessary to win is...

I like the history of Honda Performance and Racing. Undoubtedly Mugen is one of the premiere Honda Tuning agencies and with their long standing ties they have built up quite a bit of history. The Mugen MF204 F3 Racing Engine was developed some time around 1988 and ran in the F3 Racing Cars. (Information Courtesy of www.Mugen-Power.com) "Following F3 regulation requiring use of commercially available engine blocks and heads, B20a mounted on Prelude was modified into it. (Mugen MF204 Engine) Due to regulated exhaust limit, development was extremely difficult, however, MUGEN won the Japanese F3 constructor's Championship for 3 consecutive...