Drag Illustrated Issue 171, September / October 2021 | Page 41

Stand on the Gas .

Trick Flow ups the ante of big block Mopar performance with these PowerPort ® 270 cylinder heads . They feature raised 270cc Max Wedge-style intake runners that provide a straighter path to the valve for greatly improved airflow over factory Mopar heads . Then there ’ s the PowerPort 270 ’ s other standard features : A356-T61 aluminum construction , CNC Competition Ported runners and chambers , 2.190 "/ 1.760 " stainless valves , beefed-up rocker shaft bosses , PAC Racing Pacaloy™ valve springs , ductile iron valve seats , and bronze alloy valve guides .
For the fi nishing touch , the heads work in total harmony with all factory-style big block pistons , roller rockers , and headers .
Dyno Results
PowerPort 270
Airflow Results PowerPort 270
Lift Value Intake Flow CFM Exhaust Flow CFM
Test Engine : 10.15:1 compression Mopar 505 c . i . d . with Trick Flow PowerPort ® 270 cylinder heads ( TFS-61617802-C01 ), Trick Flow Track Max ® hydraulic roller camshaft ( TFS-61602003 ), Trick Flow retro-fit hydraulic roller lifters ( TFS-21400011 ), Harland Sharp 1.6 ratio shaft mount roller rocker arms ( CSP-S70016KE ), port matched Trick Flow Track Heat ® intake manifold ( TFS-61600113 ), Trick Flow by Quick Fuel Technology Track Heat Pro 950 cfm carburetor ( TFS-20950R ), Trick Flow billet aluminum carburetor spacer ( TFS-2141501B ), 93 octane pump gas , Hooker headers with 2 " primaries , 3 1 ⁄ 2 " dual exhaust with Flowmaster mufflers .

Your Recipe for Big Block Mopar Performance !

New heads are just one component of the horsepower recipe . To make it complete , you ’ re going to need some more ingredients .
Track Max ® Camshaft
Get even more power boost with a Track Max camshaft . With 243 °/ 247 ° of duration at . 050 " and . 600 "/. 600 " of valve lift , it ’ s dyno proven to provide a good midrange with strong top-end power in the 3,000 – 6,500 RPM range .
Cast Aluminum Valve Covers
Treat your build to cast aluminum valve covers ! They are made from durable A319 aluminum , which is much less prone to flex and distortion than stamped steel covers to prevent oil leaks . Plus , the covers clear most roller rocker arms , have added clearance for the distributor , and can be drilled to accept breathers .
Track Heat ® Intake Manifolds
If you demand max performance , these high-rise single plane Track Heat intakes feature a one-piece spider-type design with extended , high-fl ow runners and raised plenum fl oors to signifi cantly increase power and torque in the 3,000-7,000 plus RPM range . Other bonuses include bosses for nitrous nozzles and extra material for custom port work .
. 100 " 72 58 . 200 " 154 130 . 300 " 230 186 . 400 " 288 222 . 500 " 322 243 . 600 " 343 253 . 700 " 352 262
Tests conducted at 28 " of water ( pressure ). Bore size : 4.350 "; exhaust with 2 " pipe .
2109DUTF

TrickFlow . com • 1-330-630-1555

Some parts are not legal for use in California or other states with similar laws / regulations . Please check your state and / or local laws / regulations .