{"id":631,"date":"2010-11-02T15:44:46","date_gmt":"2010-11-02T19:44:46","guid":{"rendered":"http:\/\/www.buyracingparts.com\/blog\/?p=631"},"modified":"2010-11-22T11:32:28","modified_gmt":"2010-11-22T15:32:28","slug":"dave-hemkers-70-gs-sparty-certified-stock","status":"publish","type":"post","link":"https:\/\/www.buyracingparts.com\/blog\/2010\/11\/02\/dave-hemkers-70-gs-sparty-certified-stock\/","title":{"rendered":"Dave Hemker&#8217;s  70 GS  &#8220;Sparty&#8221; Certified Stock"},"content":{"rendered":"<p>The engine for my car was put together to be certified stock.<\/p>\n<p>Block 1972 stock bore 455, 4.3125<\/p>\n<p>Crank turned .010, .010 by FinishLine Motorsports, stock 3.90 stroke<\/p>\n<p>Pistons TRW forged stock replacement with the button in the center ground off, 23.5 cc dish<\/p>\n<p>Rods Stock, resized<\/p>\n<p>rotating assembly is balanced<\/p>\n<p>Deck .041 deck height<\/p>\n<p>Head Gaskets Steel Shim .020<\/p>\n<p>Heads 1970 heads converted to Stage 1 by Finish Line Motorsports<\/p>\n<p>NHRA minimum 55.5 cc chambers<\/p>\n<p>NO porting, NO polishing, NO gasket matching<\/p>\n<p>3 angle valve job with stock valve &amp; seat angles<\/p>\n<p>Compression Ratio 10.95<\/p>\n<p>Intake manifold Stock 1970 intake<\/p>\n<p>NO porting, NO polishing, NO gasket matching<\/p>\n<p>NO cutting in the plenum area or anywhere else<\/p>\n<p>Carb Stock Q-jet, 750 cfm<\/p>\n<p>Air cleaner Stock 1970 GS air cleaner<\/p>\n<p>Exhaust manifolds Stock manifolds, 2\u201d outlet exit to the pipes<\/p>\n<p>NO porting, NO polishing, NO gasket matching<\/p>\n<p>Jet Hot coated<\/p>\n<p>Exhaust system 2.5 \u201c mandrel bent to the bumper<\/p>\n<p>X-pipe, StraightLine Performance oval case mufflers<\/p>\n<p>Fuel Pump Stock Delco Stage 1 fuel pump<\/p>\n<p>Ignition Stock distributor with Pertronix 1181 conversion and matching<\/p>\n<p>Pertonix 40,000 volt coil, 7mm wires<\/p>\n<p>Spark Plugs Autolite #25<\/p>\n<p>Timing chain Stock silent chain, steel gears<\/p>\n<p>Camshaft: Competition Components\u00a0custom grind using Stage 1 cam specs<\/p>\n<p>Lifters Hydraulic<\/p>\n<p>Rocker arms Stock<\/p>\n<p>Pushrods 5\/16\u201d adjustable<\/p>\n<p>Chassis<\/p>\n<p>1970 GS, 3750 lbs with driver, full interior, bench seat, column shift, manual steering, manual disc brakes, no a\/c, 3.73 12 bolt axle, turbo 400 with stock convertor.<\/p>\n<p>Best et to date:<\/p>\n<p>G-70-15 bias ply tires 12.53 @ 110+ with 1.95 60\u2019<\/p>\n<p>9x28x15 Goodyear slicks 12.43 @ 110+ with 1.85 60\u2019<\/p>\n<p><a href=\"http:\/\/www.buyracingparts.com\/blog\/wp-content\/uploads\/2010\/11\/sparty.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft size-thumbnail wp-image-632\" title=\"sparty\" src=\"http:\/\/www.buyracingparts.com\/blog\/wp-content\/uploads\/2010\/11\/sparty-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The engine for my car was put together to be certified stock. Block 1972 stock bore 455, 4.3125 Crank turned .010, .010 by FinishLine Motorsports, stock 3.90 stroke Pistons TRW forged stock replacement with the button in the center ground off, 23.5 cc dish Rods Stock, resized rotating assembly is balanced Deck .041 deck height [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[69,3],"tags":[160,164,163],"_links":{"self":[{"href":"https:\/\/www.buyracingparts.com\/blog\/wp-json\/wp\/v2\/posts\/631"}],"collection":[{"href":"https:\/\/www.buyracingparts.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.buyracingparts.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.buyracingparts.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.buyracingparts.com\/blog\/wp-json\/wp\/v2\/comments?post=631"}],"version-history":[{"count":4,"href":"https:\/\/www.buyracingparts.com\/blog\/wp-json\/wp\/v2\/posts\/631\/revisions"}],"predecessor-version":[{"id":635,"href":"https:\/\/www.buyracingparts.com\/blog\/wp-json\/wp\/v2\/posts\/631\/revisions\/635"}],"wp:attachment":[{"href":"https:\/\/www.buyracingparts.com\/blog\/wp-json\/wp\/v2\/media?parent=631"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.buyracingparts.com\/blog\/wp-json\/wp\/v2\/categories?post=631"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.buyracingparts.com\/blog\/wp-json\/wp\/v2\/tags?post=631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}