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Update ish.. email@example.com @ 7,859ft DA...still all steel minus back seat.
What top end stuff did you break??
Few things... But the one that really pissed me off was the helicoils for the rocker shafts were pulled out and Bam. Not gonna use bolts again. lol
What was your assessment? Soft aluminum, poor threading and helicoiling? Not enough bolt thread engagement?
I'm guessing poor threading and helicoil.. I threw the heads in a box, i'll trya nd fix them later, maybe i'll get lucky and use them on another engine.
What were the springs, cam lift and rocker ratio specs you were running? Thanks
Howards solid roller, .640/.645 1.5 rockers.. can't remember the springs, but they were even on the light side for a solid roller cam.
73 Duster , former drag car, converted back to a street car, front seats only. 3240 pounds with me and a full tank of E85. Stock bottom end 318 Magnum, 150k not rebuilt, $150 Craigslist shortblock. GT45 turbo, 2-1/8” OD crossover. Stock cracked heads (they didn’t leak with alcohol in the chambers), kegger intake, stock throttle body. Megasquirt 1 controlling fuel only lean burn distributor to lock timing at 20 BTDC, MSD 6-AL. Comp shelf cam,(.506 lift with 1.6, 216 224 @.050, 114 LSA, better valve springs, ARP head studs, Cometic head gaskets. PTC 9.5” 904 converter, A999 trans, 8-3/4” with 3.23 gear 35 spline spool, 35 spline Strange axles. Mini tubbed poorly, springs relocated, Cal Tracs, split mono-leafs. Stock rear shackles. Stock tank with 1/2” pick up and a 3/8 return. 80 lb hr injectors, AEM 430 E85 pump. 3/8” supply and return lines. Non intercooled, car is not cut. Mickey ET Streets 325-60-15. Slip is on 20 psi. Ran 121.63 on 15 psi.
11.48 pass on 15 psi.
I do have to make a correction, right now I have the PTC converter in, during these passes there was what I think is a 4500 stall j converter. I sort of blow thru it in the video, hopefully it won’t be as bad and I make a 10 second pass with the Craigslist engine. Eventually I will build a better engine (goal is a low low 10 second car in hot weather) with forged pistons, better rods and a forged stock stroke crank.
What size turbo?
69mm compressor, 83mm turbine I believe, $200 China turbo.
1975ish Duster....has 70-71 front grill and bumper on it... 360 .030 with seal power h116cp pistons...5/64 ring pac Chinese cornoavirus free h beam rod....725 grams Speedmaster CNC bare....local machine shop did valve job PAC 1903 springs.... Speedmaster 2.02/ 1.60 valves. Speedmaster steel retainers and locks MP 571 oval cam shaft...P4529973 Crane 1.6 intake 1.5 exhaust Holley SD with QFT 750 dp on E85 MP race electronic distributor with msd 6l TTi 1 5/8 stepped headers TF 904 with 2.74/1.54 gears....8 3/4 4.30 rear gears 8 inch converter...ptc i think...lol 9 x 28 mt slicks..... 3000 lbs with driver....still has heavy rear bumper... Ran 11.192 at 118,56.....probably a 10.90 at sea level....
What did you have for cylinder heads and any work to them?
If you get any parts wrapped in bubble wrap, don't pop it! You don't know what might be in it...
I updated the engine specs.... and the rods were in plastic bags...have had them over 5 yrs now...
I haven't been on in a long time....69 swinger ...factory 340 4sp....well that was many years ago...lol... 340 with: 318 dump truck crank...JE pistons 11:1..factory rods... .20 over...roller comp cam .605 lift..crower lifters. W2 race heads..2.02 Manley valves..I ported and polished them...mopar intake..750 holley... 904 trans...4.88 moser axles..3200lbs... just tested once at Atco many years ago...she ran 11.50s 116mph easily...with mufflers and 275 M&H street slicks...I think she might see 10.90...she ran lean I jetted it and it needed more...I figured open headers use the trans brake...and slicks...and a 850...