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780001-05 Engine Exhaust System
engineexhaustsystemstartwith3ubendsand2ninetydegreebends_small.jpg cutonebendatcentercuttwobendsattheendofthecurvefirstguidessecond_small.jpg exhaustsystempipescutintobasiclengthsflareboth90degreebendsperdrawing_small.jpg exhaustpipeflangetemporarilyattachtocylinderheadexhaustports_small.jpg assemblepipesandholdinpositionfrontpipeistoolongtrimlengthasneeded_small.jpg trimfrontpipeuntilitfitswithonequarterinchspacerinfrontofrearpipe_small.jpg cleanupinsideandoutsideofboththefrontandaftpipes_small.jpg scrapofangleforspacerwoodwedgesbetweenpipeandcylinderhead_small.jpg alignalltheofpipesvertical_small.jpg
exhaustpipesclampedfirmlywithspacersandwedgesinplace_small.jpg brazetackweldpipetoflange_small.jpg tackweldattopandbothsides_small.jpg totackweldtheaftpipewemovethepipestotheoppositesideoftheengine_small.jpg clampspacerbetweenfrontandaftpipessetaftpipeverticaltackwell3places_small.jpg tackweldthefrontpipeandlowerpipesections_small.jpg marklowerpipethesamelengthastheaftpipetrimlowerpipetolength_small.jpg trimstudsthreethreadsabovenutsmoothandroundcornerseverylittlebithelps_small.jpg smoothedgesofpipeoutsideandinside_small.jpg
clampinvisebrazeweldallthewayaroundtheoutside_small.jpg brazeweldallthewayaroundtheflangeontheinside_small.jpg heatmuffcutfrontandafttubesalongtheweldedseam_small.jpg spreadthetubescrewdriversworkforthisspreadtogapspecifiedindrawing_small.jpg smoothedgeswithsandingdisk_small.jpg heatmuffseachmadefromonelongandoneshortpiece_small.jpg measuretooutletpipeholeinsidemuffperdrawingdrillthreeeighthsinchpilothole_small.jpg expandtheholetooneinchdiameterdrillorgrindbasedonwhatyouhave_small.jpg makesureyouhavethepipeorientedcorrectlybeforepressingontheheatmuff_small.jpg
screwdriveropensgapbetweenmuffandpipeinsertonequarterinchscrapspacer_small.jpg alsoputscraponequarterinchspacerataftendofpipe_small.jpg readytoweldaftsectionofheatmuff_small.jpg tackweldbothendsoftheheatmuffatthecorners_small.jpg brazeweldbothseams_small.jpg usehammertoformedgestoclosegapbetweenheatmuffandpipe_small.jpg measurefrontofheatmufftostartofthepipebendcuttolengthsmoothedges_small.jpg placefrontheatmuffonalignedwithrearheatmuffformcurveasneededtofit_small.jpg tackweldheatmuffcornersformedgestocloseanygapsbrazeweldtheseam_small.jpg
heatductoutletpipemeasureandcutpipefortwosmoothendforflexibleduct_small.jpg markcenterdraw30degreelinecutdeburrinsideedgebeveloutsideedge_small.jpg gettinginventiveproppingthepipeinplaceandtackbrazewelding_small.jpg heatductoutletpipeweldedinplace_small.jpg heatmuffcaptemplateusepipescrapforinnercircletracemuffandcutout_small.jpg drawonmaterialnotchandbreakgrindtoshapecheckfitwithpipescrap_small.jpg trimoutsideofheatmuffcaptoshape_small.jpg tackweldendtapedgetoclosegapsweldaroundpipeandheatmuff_small.jpg drillaonequarterinchdrainholeatthelowestpointintheheatmuffaftend_small.jpg
sandoffexcessweldbeadonflangeusedmallgrinderforinsidethepipe_small.jpg exhaustsystemfitupdone_small.jpg pipeclampbandreinforcesexhaustpipesandcontrolsvibration_small.jpg cutsteelstripsfromfirewallscrapscuttolengthmarkandradiusendsperdrawing_small.jpg drillholesonbothendsandthecenter_small.jpg deburrholessmoothedgesdeglosswithsandingdiskandcoatwithhightemppaint_small.jpg bendintoovalbetweencenterandendholesaddcurveatcenterholeandbothends_small.jpg pipeclampbandformedintohourglassshapereadytoinstall_small.jpg testfitadjustshapeforgoodfit_small.jpg

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