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Compressor Maps Garrett Turbo Maps Holset Turbo Maps KKK Turbo Maps Mitsubishi Turbos Screenshots Purchase Resources Garrett Turbochargers Compressor Maps TurboCalculator is the fastest and most accurate way to select a turbo for your engine. Below is a list of the Garrett turbo compressor maps included with TurboCalculator. Some of the Garrett turbo compressor maps are available to view for free. To view these maps, simply click on the name of the turbocharger. Purchase Garrett Turbos Here Garrett T25 Turbochargers - Garrett Turbo T25 45 Trim ¤ T25 50 Trim ¤ T25 55 Trim ¤ T25 60 Trim ¤ T25 70 Trim Garrett T3 Turbochargers - Garrett Turbo T3 40 Trim ¤ T3 45 Trim ¤ T3 50 Trim ¤ T3 60 Trim ¤ T3 Super 60 Trim Garrett T04B Turbochargers - Garrett Turbo T04B 40 Trim ¤ T04B H3 Trim ¤ T04B S3 Trim ¤ T04B V1/V2 Trim Garrett T04E Turbochargers - Garrett Turbo T04E 40 Trim ¤ T04E Super 40 Trim ¤ T04E 46 Trim ¤ T04E Super 46 Trim ¤ T04E 50 Trim ¤ T04E Super 50 Trim ¤ T04E 54 Trim ¤ T04E Super 54 Trim ¤ T04E 57 Trim ¤ T04E Super 57 Trim ¤ T04E 60 Trim ¤ T04E Super 60 Trim Garrett T Turbochargers - Garrett Turbo T51 56 Trim ¤ T51 80 Trim ¤ T58 ¤ T61 ¤ T64 ¤ T66 ¤ T68-1 ¤ T70 ¤ T72 ¤ T76 ¤ T81 ¤ T88 ¤ T91 ¤ T100 ¤ TS04 Garrett T04 Turbochargers - Garrett Turbo T04 60-1 ¤ T04 62-1 Garrett TP38 Turbochargers - Garrett Turbo TP38 (Powerstroke) ¤ GTP38 (Powerstroke) Garrett GN Turbo - Garrett Turbo Grand National Turbo Garrett GT Turbochargers - Garrett Turbo List of turbochargers included with TurboCalculator: Garrett turbochargers, Holset turbochargers, KKK turbochargers, and Mitsubishi turbochargers Turbochargers Compressor Maps Included with TurboCalculator TurboCalculator includes compressor maps for 84 turbochargers from four manufacturers: Garrett turbochargers, Holset turbochargers, KKK turbochargers, and Mitsubishi turbochargers. To view a more detailed list, click on any of the links below: Garrett Turbochargers Compressor Maps ¤ Garrett T25 Turbochargers - 5 Turbochargers ¤ Garrett T3 Turbochargers - 5 Turbochargers ¤ Garrett T04B Turbochargers - 4 Turbochargers ¤ Garrett T04E Turbochargers - 12 Turbochargers ¤ Garrett T Turbochargers - 15 Turbochargers ¤ Garrett T04 Turbochargers - 2 Turbochargers ¤ Garrett TP38 Turbochargers - 2 Turbochargers ¤ Garrett GN Turbocharger ¤ Garrett GT Turbochargers - 16 Turbochargers Turbo Bearing Checks for excessive play - floating SLEEVE TYPE (not ball bearing type) General tolerances (access the shaft from compressor air-in end) -> typical maximum shaft end play (thrust) (back and forth, not sideways) is 0.008"inch or 0.20 mm (play should NOT be noticeable using your fingertips). Shaft side play no more than 0.022" inch or 0.56 mm (very noticeable sideways movement using your fingertips). The oil pressure should self-centre the bearing within wear limits. Too much play would result in the blades rubbing the side of the housing. Look out for wear (small chips, rough edges ) on the very tips of the compressor blades that give an indication of your air filtration quality over the years, and for rub marks on the alloy turbo housing from scraping outer side blade edges. Rough tip edges should be carefully smoothed if possible. It has been stated that approximately 40% of all turbocharger failures are oil-related. Contaminated or dirty oil leads to bearings being scratched and scored resulting in excessive wear and premature failure. Lack of lubrication due to low oil pressure to turbocharger bearings (even a momentary loss of pressure) can quickly cause overheating and damage to the bearing system. Regular synthetic oil and filter changes are essential for long turbocharger life. A magnetic sump drain plug is also recommended. Dimensions of Exhaust Manifold flanges for Garrett T3 and T25: The Garrett TB03 mount flange outside dimensions are approx. 90mm x 82mm, with 4 bolt attachment holes, on rectangle 85 mm x 45 mm c/c apart. A Garrett T25 flange & bolt holes are smaller, mount flange is approx 92mm x 62mm, with 4 bolt attachment holes, on rectangle 72 mm x 40 mm c/c apart. LINK Turbo HEADER construction - How to build one Freeflowing 3" exhaust exit form Garrett Turbocharger Good exhaust builders can fashion up some neat custom pipework. Nice new pre-cut flanges, like in the picture opposite, can be bought from turbo suppliers to give the exhaust builder a good accurate head start. On completion, spend a lot of time to carefully hand file dead-flat the new welded 'exhaust to turbo' flange before bolting-up. We don't want any deadly exhaust flange leaks do we. Use bearing blue (or a texta) and a flat sheet of glass to indicate the high spots to file down. Ball bearing turbo - GARRETT GTBB25 TURBOCHARGER upgrade (Fitted to B230FT) The A/R .60 compressor and exhaust housings are so much larger than .45 size Left - Garrett GTBB25 'Ball Bearing Turbo'. High flow A/R .60 is rated at 250-300 hp. These special BB turbos are 'Made in Japan' by Garrett, and use a mix of GTBB30 compressor and exhaust sizings. Note the T25 uses a smaller attachment flange than a T3 (see flange info below).Weight - 13.2 lbs (6 kg) The use of a smaller exhaust housing combined with latest wheel impellor design is part of the trick for rapid spool-up with these newer models. Right - Old Garrett T25 A/R .45. Was still alive after many years of 'both' friendly use and abuse. 45 trim seems miniature compared to 60 trim. Weight - 8.8 lbs (4 kg) - Link to Garrett Ball Bearing Model information On Road Comments: The conventional 45 trim Garrett T25 provided good boost levels at low rpm, and packed real mid-range punch between 3-4,500 rpm, falling off soon after. The larger 60 trim BB turbo is a more flexible air pump throughout the boost range, aided by fast spool-up at any time. Garrett claims ball bearing models are 40% faster on spool-up, a fact I was counting on, as I did not want to 'lag around' by loosing bottom end grunt coming out of tight corners on the hillclimb track. |