{"id":19,"date":"2014-07-04T19:03:27","date_gmt":"2014-07-04T19:03:27","guid":{"rendered":"http:\/\/sp-dragracing.co.uk\/?page_id=19"},"modified":"2019-03-27T18:59:40","modified_gmt":"2019-03-27T18:59:40","slug":"19-2","status":"publish","type":"page","link":"https:\/\/sp-dragracing.co.uk\/?page_id=19","title":{"rendered":"Motor Refresh: From \u00a3595 + parts"},"content":{"rendered":"
\n

\n\t\tHover over the images below for details\t<\/h3>\n
\n
\n
<\/figure>\n
\n

\n\t\t\t\t\tMotor clean & strip\t\t\t\t<\/h4>\n
\n

After cleaning the motor is stripped down into its component parts and inspected for any damage or signs of impending failures, this includes:
\nCylinder bores, pistons & rings
\nConnecting rods
\nValve stems, face, seat & springs
\nCrank & camshaft journals
\nTransmission components
\nOil pump<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n

\n
<\/figure>\n
\n

\n\t\t\t\t\tMeasurements\t\t\t\t<\/h4>\n
\n

The components that are to be re-used are measured to ensure that they are within an acceptable tolerance. This information is recorded on the build sheet that will be specific to this engine and supplied to the customer.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n

\n
<\/figure>\n
\n

\n\t\t\t\t\tBearing selection\t\t\t\t<\/h4>\n
\n

Dependent on the the use for which the engine is intended, and the information previously recorded, the required bearing thicknesses are calculated to provide the necessary oil clearances at the crankshaft main bearings and big ends.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n

\n
<\/figure>\n
\n

\n\t\t\t\t\tAssembly Preparation\t\t\t\t<\/h4>\n
\n

All the component parts to be re-used are cleaned and re-assembled. Valves are lapped into their respective seats.<\/p>\n

New gaskets, oil seals, assembly lubricants and the other new parts required are gathered together. <\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n

\n
<\/figure>\n
\n

\n\t\t\t\t\tTrial Assembly\t\t\t\t<\/h4>\n
\n

The engine is trial assembled so that clearances can be checked, this includes:
\nPiston Deck Height
\nOil clearances
\nRing end gaps
\nValve to piston clearance at the required valve timing
\nValve tappet clearances<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n

\n
<\/figure>\n
\n

\n\t\t\t\t\tFinal Build\t\t\t\t<\/h4>\n
\n

After all fit and clearances are acceptable the engine is finally assembled with new gaskets. Cam timing is checked\/set and the valve clearances re-checked. The lubrication system is primed to ensure that oil is present at all the bearings under initial start-up.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Hover over the images below for details Motor clean & strip After cleaning the motor is stripped down into its component parts and inspected for any damage or signs of impending failures, this includes: Cylinder bores, pistons & rings Connecting rods Valve stems, face, seat & springs Crank & camshaft journals Transmission components Oil pump …<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":13,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"template-builder.php","meta":{"footnotes":""},"yoast_head":"\nMotor Refresh: From \u00a3595 + parts - SP RACING<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/sp-dragracing.co.uk\/?page_id=19\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Motor Refresh: From \u00a3595 + parts - SP RACING\" \/>\n<meta property=\"og:description\" content=\"Hover over the images below for details Motor clean & strip After cleaning the motor is stripped down into its component parts and inspected for any damage or signs of impending failures, this includes: Cylinder bores, pistons & rings Connecting rods Valve stems, face, seat & springs Crank & camshaft journals Transmission components Oil pump …\" \/>\n<meta property=\"og:url\" content=\"http:\/\/sp-dragracing.co.uk\/?page_id=19\" \/>\n<meta property=\"og:site_name\" content=\"SP RACING\" \/>\n<meta property=\"article:modified_time\" content=\"2019-03-27T18:59:40+00:00\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"http:\/\/sp-dragracing.co.uk\/?page_id=19\",\"url\":\"http:\/\/sp-dragracing.co.uk\/?page_id=19\",\"name\":\"Motor Refresh: From \u00a3595 + parts - 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