OK.... just formulated an offseason plan. Race season is over for me Here is what i have now... Bone stock 360 shortblock Stock rods, crank, replacement cast factory spec pistons(+30) Howards mech flat tappet cam( 260/264 565/ 565... on a 106, in at 102 Dougs headers(d453) Eddie heads, modest port work, would guess maybe 270-275 max flow... 58cc Airgap 950 hp 4.30 gear 28 drag radial 904 5k flash vert 3300 ish with driver Typical ET’s... 11.30’s in good spring/ fall air, 11.50/11.55 dead of summer air. New combo 418 shortblock+40 340 block, 4 inch forged Scat crank, Scat rods, Forged flattop pistons( Icon) that are somewhere 5-7 above deck( have to check again). Likely use( after verifying clearance) a 45 cometic gasket. Somewhere 12.5/ 12.7 compression i am thinking Gasket matched Weiand excellerator Same carb Same cam Same heads Same gear, tire, vert any guesses on ET... good air/ summer air?