world class design and quality transmission gears there is a lot more to designing and manufacturing gears for automotive performance racing applications than applying standard text-book tooth design formulas and then using traditional off the shelf gear generating tools there must be real understanding and strong committments in many areas the four people most involved with gear design and manufacture at andrews products have over 80 years of cumulative experience gear manufacturing also includes investments in in-house gear design programs state of the art cnc gear cutting machines and cnc inspection equipment all andrews products gears are approximately 15 less weight than other top loader gears the end result is the strongest most reliable gears possible all of these factors helps to put andrews products customers one step closer to the winners circle any of our eight cnc gear cutting machines can be programmed to produce tooth modifications which make it possible to design and ma
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t101 transmission gears 140 different ratios gear ratios chart for all gears main drive gear set ratios 4th gear trans ratio is 1:1 main drive teeth 21/26 21/27 21/28 18/25 main drive ratio 1.238 1.286 1.333 1.389 main drive part 101443m 101421m 101404m 101382m tooth count ratio part 2.724 2.641 2.476 2.258 first gears with integral shaft 2.829 2.743 2.571 2.345 2.933 2.844 2.667 2.431 3.056 2.963 2.778 2.533 33/15 2.200 101167c 32/15 2.133 101181c 32/16 2.000 101207c 31/17 1.824 101249c tooth count ratio part first second and third gear ratios 2.269 2.143 2.071 1.962 1.929 1.857 1.786 1.759 1.714 1.
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t101 transmission gears all t101 gears are made from certified material which is typical of all cams and gears made by andrews products t101 completed gears waiting for shipment andrews t101 gears shown in their final destination inside of a t101 gearbox gear inspection of a t101 gear with a cnc m&m gear inspection system 7 andrews products inc · 431 kingston ct · mt prospect il 60056 · phone 847-759-0190
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top loader gear sets 392 different ratios gear ratios chart for all gears main drive gear set ratios 4th gear trans ratio is 1:1 main drive teeth .29/20 main drive ratio .1.450 28/20 1.400 25/18 1.389 28/21 1.333 27/21 24/19 1.286 1.263 27/22 1.227 26/22 1.182 23/20 26/23 25/23 1.150 1.130 1.087 22/21 22/22 1.048 1.000 21/22 0.955 first-reverse cluster gear set ratios tooth count 33/15-17 34/16-17 33/17-16 32/18-16 31/18-15 32/19-15 31/19-15 30/19-14 30/20-16 30/21-16 ratio 2.200 2.125 1.941 1.778 1.722 1.684 1.632 1.579 1.500 1.429 3.190 3.081 2.815 2.578 2.497 2.442 2.366 2.289 2.175 2.071 3.080 2.975 2.718 2.489 2.411 2.358 2.284 2.211 2.100 2.000 3.056 2.951 2.696 2.469 2.392 2.339 2.266 2.193 2.083 1.984 2.933 2.833 2.588 2.370 2.296 2.246 2.175 2.105 2.000 1.905 2.829 2.732 2.496 2.286 2.214 2.165 2.098 2.030 1.929 1.837 2.779 2.684 2.452 2.246 2.175 2.127 2.061 1.994 1.895 1.805 2.700 2.608 2.382 2.182 2.114 2
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top loader gear set part numbers all andrews products gears are approximately 15 less weight than other top loader gears transmission mainshafts standard part 720110 first gear cluster w/reverse idler third gear sets standard teeth 720467 26-22 720480 23-20 720491 26-23 720511 25-23 720530 22-21 720554 22-22 720580 21-22 720593 23-25 720611 23-26 720620 20-23 standard teeth 720361m 29-20 720378m 28-20 720382m 25-18 720404m 28-21 720421m 27-21 720432m 24-19 720448m 27-22 720467m 26-22 720480m 23-20 720491m 26-23 720530m 25-23 720534m 22-21 720554m 22-22 720580m 21-22 ratio 1.182 1.150 1.300 1.087 1.048 1.000 0.955 0.920 0.885 0.870 ratio 1.450 1.400 1.389 1.333 1.286 1.263 1.227 1.182 1.150 1.130 1.087 1
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racing camshafts for gm dodge and ford engines camshaft cores can be supplied at any stage of maunfacture lathe turned blanks or add any of the following operations lobe milling gear teeth heat treat bearing grinding with or without with finished ground lobes finished or unground steel camshafts · · · · · · · gm small block gm big block gm sb2 block with sb2 heads gm small block with sb2 heads gm small block with buick heads ford cleveland v8 dodge p7 cam blank turned drilled reamed lobe milled and groove ground distributor gear cutting welded heat treated ready for finish cam grinding and a press on distributor gear ground press-on cam gears and precsion distributor gears for gm and dodge p7 engines stop gear wear and spark scatter ground cam gears are made to agma class 14 gm v8 dodge p7 andrews products inc · 431 kingston ct · mt prospect il 60056 · phone 847-759-0190 10
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race proven camshafts of unequalled quality camshaft manufacture involves a number of steps each of which requires rigid adherence to process control and quality assurance at andrews products making camshafts receives the same careful attention to detail as our gear manufacturing turning alloy steel cam blanks on 35hp twin turret lathe copper plated steel cam blanks waiting for next operation phillips eccentric mill for cutting cam lobes and fuel pump eccentrics camshafts are inspected and straightened after heat treat bearing grinding on a cnc od grinder 11 andrews products inc · 431 kingston ct · mt prospect il 60056 · phone 847-759-0190
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camshaft manufacture one of our landis 3l cnc cam grinders finishing a small block gm camshaft a 3l cam grinder is 5 to 6 times more accurate than any mechanical hand operated cam grinding machine see the adcole camshaft inspection chart shown below cutting gear teeth on a v8 camshaft camshaft inspection on an adcole 911 cam gage adcole 911 cam inspection chart this adcole 911 inspection chart shows typical profile deviation curves for a four lobe camshaft each horizontal grid line is equal to .001 inches none of these lobes has deviations exceeding .0003 inches ground on one of andrews products landis 3l cam grinders 12 andrews products inc · 431 kingston ct · mt prospect il 60056 · phone 847-759-0190
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gm small block super street hydraulic roller cams when small block gm v8 engines were first intoduced in 1955 no one could have predicted this engine would still be in great demand for perormance applications 48 years later many different cam designs have been tried with varying levels of success today most knowledgeable engine builders know what cam lifts durations and lobe separation angles work for them but there also have been subtle but very important changes the greatest improvement in cam manufacture started 10 years ago with the introduction of computerized cam design and cnc electronic cam grinding every camshaft andrews products grinds is done on landis 3l cnc cam grinders we have not run mechanical cam grinders since 1996 the improvement in final camshaft quality was hard to imagine until we saw it for ourselves switching to electronic cam grinders and cnc cam inspection adcole 911 gages resulted in the most significant improvements in cam quality that we have ever made andr
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for complete camshaft measurement and analysis screen graphic below shows lift curves and measured data for two cam lobes software features · · · · · · · · · · · 14 complete lobe measurement graphical display and analysis of all cam data output duration lift velocity acceleration jerk radius of curvature and pressure angle one probe can measure flat or roller cams and convert data to actual engine follower inch or metric data display capability with printed reports for all data all valve or cam motion curves shown on main graphic screen simutaneously compare motion curves for any two cam lobes all lobe tip angles can be measured and listed on one report printed reports for all measured data and screen displays measure base circle runout true maximum lift and duration remove all base circle eccentricity from measured cam data ezcam software is windows and dos compatible andrews products inc · 431 kingston ct · mt prospect il 60056 · phone 847-759-0190
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camshaft inspection instruments are your camshafts what you think they should be model m46 ezcam instrument shown with flat follower hardware features · precision base platform includes needle bearing v block camshaft supports for cams to 36 length · motorized camshaft rotation for all models · only one size measuring probe needed to take data for any cam · rotary encoder fits most cams gm ford etc with magnetic adapter · super accurate heidenhain sensors and data collection hardware · includes computer with ezcam software installed calibrated and ready to run with ezcam operation manual customer supplies monitor tungsten carbide roller follower is an option as shown ezcam accuracy and resolution system lift accuracy system angle accuracy repeatability lift repeatability angle encoder resolution lift encoder resolution angle report decimal lift report decimal angle m52 motorized not pictured system w/centers 0.00025 in 0.05 deg 0.0001 0.02 0.000005
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