Thanks for all that great Info Lou! That is some good insightful stuff.
Here are some pics -- - - You know Me, I GOTTA have pics.
Greg
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| Lou Madsen's 64 Dart 270 https://slantsix.org/forum/viewtopic.php?t=13917 |
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| Author: | Dart270 [ Wed Jul 07, 2010 6:46 pm ] |
| Post subject: | airdam - awesome |
Big success with the airdam. Lowest tank was 23 MPG with 1/3 city/speed driving, highest tank was 401 miles using 14.8 gals or 27 MPG. That last tank was all hwy miles and 65-80 MPH cruising depending on traffic. Highest mileage I've recorded with any of my Slant vehicles! I'm sold on aero and can't believe I didn't try this earlier. Now, I'll make a prettier one and add airdams to my other vehicles. Next on this car is to make some grille smoothing pieces and/or a rear belly pan. Lou |
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| Author: | Dart270 [ Mon Sep 13, 2010 9:39 am ] |
| Post subject: | response to a request - susp, etc for '64 Dart |
Suspension, tires/wheels, rear axle setup on my '64 Dart: - 16:1 FirmFeel built steering box (2008 upgrade from stock 24:1) - 0.920" MP torsion bars (since 1999) - CAP auto products tubular lower control arms with Lou-welded sway bar tabs. 2-3 lbs/side unsprung wt reduction and some modest stiffness and adjustability increase. (2008 upgrade - no big difference from stock, except for ability to lower car more with no bump stops) - CAP auto products adjustable alum strut rods w/ heim joint front ends. (2008 upgrade from stock rubber - no big difference except for preload adjustability.) - CAP auto products tubular upper control arms with heim joint ends (2008). - Edelbrock IAS shocks at all 4 corners (upgrade 2008) - 20 yr old modified JC Whitney rear leafs - 5 leafs with rear sections cut back to reduce spring rate (around 150 lbs/in). Having fun with angle grinder... Due for new rear leafs sometime soon. - Adjustable front spring perches, on middle setting (1.1" above stock eye location). - Homemade rear shackles (1/2" bolts with heads welded to 5/16"X 1.25" square bar). About 0.6" shorter than stock. - Poly leaf bushings (whole rear leaf setup same since 1999) - No rear sway bar, but car was still a bit loose at high speeds (over 70 MPH) before 2008 upgrades and softening leafs a bit more. - 1.5" AFCO drop blocks between springs and rear axle (added 2006) - Front sway bar - custom tubular 1.25" with 1/8" wall (Note to self: recheck wall thickness...). Heim joint adjustable ends. This was an upgrade from 1.125" Addco solid bar in 2008. No big change here, just weight and heim vs. poly ends - Alignment settings: Camber: -1.5 deg both sides, Caster: +4 deg both sides, Toe: 0.06 deg total Brakes FRONT: - 11.75" Mopar late B-body rotors, from Rotorpros - drilled and slotted - 1980's FJM disc knuckles with AR Engineering caliper adapters (used 73-76 A-body disc knuckles from 1999-2008, no perceptible difference). - Wilwood Forged Dynalite calipers with E type (recheck) pads - Braided SS brake lines from MagnumHP (Goodridge?) REAR: (includes rear axle specs) - TSMMFG.com rear disc kit for 8.75" Mopar axle - 3.91 clutch SG in 489 case, whines a bit... - Moser 4.5" bolt circle axles in stock width A-body housing - 1980 (or so?) Lincoln 11X1" rotors with GM Metric (79-80 Monte Carlo) calipers and stock pads, no p-brake, stainless lines from TSM - Adjustable Wilwood valve in rear line, dialed out about halfway - Milodon 3" long wheel studs on all 4 corners, cut to allow some wheel spacer adjustments and maximum thread engagement of lugnuts. Wheels and tires: - 16X8" SSR Integral wheels (2002) on all 4 corners, 16lbs/whl, hub centric on front. - 245/45-16 Hankook Ventus RS2 (RS212) autoX tires on all 4 corners - 0.7" wheel spacers on front Last time at the track (VIR full course, July 2008), I was getting some oil pressure drop on hard left turns, assumedly due to the stickier tires. I just babied it a bit on those turns and let pressure come up before getting back hard on the gas. Have not had it back to the track since new 2008 suspension upgrades, but it seems very similar in feel. Plans for the winter are: - pull engine/trans - adjust cam timing to 99-100 deg (my experiment at 96 deg was too advanced, and 102 was a bit too retarded) - more head porting (this head weaker than original 1996 head) - enlarge oilpan sump and add more baffling for oil control on hard left turns - upgrade/repair clutch or pilot bearing (drag on shifting, 30-40 k hard miles...) - relocate engine/trans 1/2" rearward and enlarge upper trans tunnel to raise trans output shaft location 1/2" and move to left 1/4-3/8" - possible upgrade to multi-port EFI and MSII with ignition control? - new quieter muffler (3" Flowmaster 50 now) Goals: - consistent low 14 or high 13 ETs - little or no oil pressure drop at 1G lateral accel - less noisy car - better muffler (Flowmasters suck) and no drivetrain vibes or whines - slightly less rumpy low speed running with better EFI control/system and dry manifold - as always, lower weight (Ford 8" rear, alum rear calipers, lighter rotors???) - consistent 26-28 MPG hwy with more aero and engine management improvements? 27 MPG is current best on a 401 mile tank, with 25 avg for 1500 mile trip. Happy building, Lou |
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| Author: | Greg Ondayko [ Thu Dec 16, 2010 4:20 pm ] |
| Post subject: | Lou's Air Dam 12-16-10 |
Thanks for all that great Info Lou! That is some good insightful stuff. Here are some pics -- - - You know Me, I GOTTA have pics. Greg |
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| Author: | Dart270 [ Mon Aug 05, 2013 7:42 pm ] |
| Post subject: | 64 Dart lives... again |
Loooong time since last post... 64 Dart lives and breathes again. Did weights tonight and it was lighter as expected - down to 2940 lbs with me (176 lbs clothed) and 18 gals of gas... We weighed my friend's 2009 Civic LX also, and it is the same - 2745 w/full 13 gal tank plus me equals 2930! With only 13 gals on board, my car is lighter...  Best 1/8th so far is 9.13 @ 95.4 MPH @ 1800 ft elev and 80 deg temp, 3 passes only last week, needs tuning and good tires. 55 lbs in trunk too for traction, so right about 3000 lbs racewt. 11.5:1 AFR @ WOT and timing a bit retarded. I smell solid 13s in the 1/4 and 8s in the 1/8th... More to come, Lou |
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