With our 12.5:1 compression, we decided early that E85 is a far more efficient fuel to use than dedicated race gas. But we also wanted to try some of Rockett’s new race E85 fuel, and with this convenient 55-gallon drum, the decision was made easy. Rockett’s race E85 has an even higher octane rating of 112 versus typical pump fuel of around 105. Plus, the motor-octane rating is significantly higher.With our 12.5:1 compression, we decided early that E85 is a far more efficient fuel to use Test Day Test 1 is the Blue Collar 454 as reported in the Oct. '12 issue using a swap-meet Dominator intake and an adapter for the Quick Fuel E85 750-cfm, 4150-style carburetor. Test 2 used the modified iron oval-port heads, new Manley valves and JGM valve job, a Summit single-plane intake, and the Pro Systems E85 950-cfm 4150 carburetor. All tests were run on Rockett Brand E85 fuel. Power Numbers RPM TQ1 HP1 TQ2 HP2 TQ gain 3,100 --- --- 437 258 --- 3,300 --- --- 462 290 --- 3,500 --- --- 491 327 --- 3,700 375 264 512 361 +137 3,900 429 318 534 397 +105 4,100 494 385 546 428 +52 4,300 514 421 550 451 +36 4,500 529 453 550 472 +21 4,700 538 481 549 492 +9 4,900 533 497 543 507 +10 5,100 527 512 533 518 +6 5,300 523 528 525 530 +2 5,500 508 532 519 543 +11 5,700 497 540 512 556 +16 5,900 487 548 508 571 +21 6,100 473 550 503 585 +30 6,300 --- --- 491 589 --- 6,500 --- --- 468 580 --- Peak 538 552 550 589 --- Parts List Description PN Source Price Manley Racemaster Rat intake valve 11872-8 Summit Racing 119.95 Manley Racemaster Rat exhaust valve 11881-8 Summit Racing 119.95 Summit Stage 4 intake manifold 226052 Summit Racing 199.95 Pro Systems 950 E85 carb N/A Pro Systems 790.00 (check) Comp XS 290 solid cam 11-679-5 Summit Racing 191.69 Comp spring spacers 4779-8 Summit Racing 24.95 Comp 1.7:1 rocker arms 1021-16 Summit Racing 314.95 Autolite race plugs AR-25 Summit Racing 5.95 (x8) Fel-Pro head gasket 1037 Summit Racing 46.95 Fel-Pro intake gasket 1281-3 Summit Racing 21.95 MSD Pro Billet 8361 Summit Racing 212.95 MSD plug wire 35379 Summit Racing 85.95 Comp oil, 10w-30 1594 Summit Racing 39.75 ARP headbolt set 135-3601 Summit Racing 77.15 Machine Work New guides N/A JGM 188.00 Competition valve job/clean/surface N/A JGM 324.00 All our dyno tests were performed using a pair of 21⁄8- to 23⁄8-inch stepped headers with no mufflers on Westech’s engine dyno. EndAll our dyno tests were performed using a pair of 21⁄8- to 23⁄8-inch stepped headers with no mufflers on Westech’s engine dyno. End SOURCES Induction Solutions Brooksville FL 34604 815-341-8853 www.induction-solutions.com Rockett Brand Racing Fuel Glenview IL Jim Grubbs Motorsports 28130 Avenue Crocker # 331 Valencia CA 91355 661-257-0101 Comp Cams 3406 Democrat Rd Memphis TN 38118 800-999-0853 www.compcams.com Manley Performance www.manleyperformance.com Summit Racing Pro Systems Dept. MMFF 6674-A Grand Haven Rd. Spring Lake MI 49456 DMP Fasteners 888-672-6587 http://www.dmpfasteners.com Federal-Mogul Southfield MI « | 1 | 2 | 3 | View Full Article By Jeff Smith Enjoyed this Post? Subscribe to our RSS Feed, or use your favorite social media to recommend us to friends and colleagues!
