▁from ▁a ▁tank . ▁ ▁An ▁elect rical ▁fuel ▁p ump ▁was ▁another ▁high - tech ▁novel ty ▁which ▁would ▁eventually ▁be ▁common . ▁The ▁elect rical ▁system ▁was ▁another ▁matter ▁— ▁it ▁had ▁a ▁separate ▁redundant ▁set ▁of ▁w iring ▁on ▁each ▁side ▁of ▁the ▁car . ▁ ▁The ▁high - rev ving ▁character ▁and ▁dry - sum p ▁oil ▁system ▁both ▁meant ▁that ▁the ▁ 1 3 0 0 ' s ▁engine ▁should ▁be ▁a ▁natural ▁for ▁racing , ▁and ▁soon ▁the ▁R SC ▁( R acing ▁Service ▁Club , ▁H onda ' s ▁competition ▁department ) ▁built ▁the ▁mid - eng ined , ▁tub ular ▁fr amed ▁H onda ▁R · 1 3 0 0 . ▁Next , ▁in ▁the ▁ 1 9 6 9 ▁Japan ▁GP ▁the ▁similar ▁Can - Am ▁style ▁Car man - Ap ache ▁made ▁its ▁racing ▁debut , ▁with ▁a ▁H onda ▁ 1 3 0 0 ▁engine ▁tun ed ▁to ▁ ▁at ▁ 7 , 0 0 0   r pm , ▁mounted ▁trans vers ally ▁in ▁the ▁middle . ▁We ight ▁was ▁a ▁mere ▁. ▁The ▁car ▁only ▁made ▁ 2 9 ▁la ps ▁( out ▁of ▁ 1 2 0 ) ▁before ▁ret iring , ▁but ▁continued ▁to ▁race ▁with ▁some ▁mod est ▁success ▁through ▁the ▁next ▁year . ▁ ▁D D AC ▁D D AC ▁( D uo ▁D yna ▁Air ▁C ool ing ▁system : ▁dynamic ▁dual ▁air ▁cool ing ▁system ) ▁( ), ▁was ▁the ▁name ▁of ▁the ▁air