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73-87 Chevy _ GMC Trucks => 73-87 Chevy & GMC Trucks => Topic started by: mike_hd1340 on May 22, 2009, 01:44:38 am
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Finally got my truck to the track. It ran 7.16 @ 97mph in the 1/8th. (All motor no nitrous) Was having trouble getting it to hook but were working on it. Hoping with a little more fine tuning and get the cal-tracs setup that she'll be in the high 6s.
(http://i567.photobucket.com/albums/ss115/mike_hd1340/mytruckatnewport.jpg)
(http://i567.photobucket.com/albums/ss115/mike_hd1340/mytruckatnewport2.jpg)
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Awesome!!! Man that truck is sharp :o
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Yea! That's movin'
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cool... good time... what would it do in the 1/4?
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I don't know kinda figure she would be in the mid to low 10s. I'm really not geared for a 1/4 turning 4500 in 3rd at the finish line in the 1/8th.
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Very clean! I love the color choices too.
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SLEEPER!
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Man no kidding, total sleeper! Love it! I think the conversion ratio for 1/8 to 1/4 is 1.57. That would make your 7.16 at 11.24!! Holy crap! What are you running in that thing???
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Answered my own question:
010 casting 4 bolt block 12.5:1 compression 388cui
4340 eagle lightweight crank
4340 eagle 6" H-Beam rods
Splayed Main caps with arp studs
Mauhle forged pistons with file fit rings
Clevite 77 bearings
Comp XR294 hyd roller duration @.50 is 241-248 with a 542-561 lift
Dart pro 1 heads 200cc ported with 2.05 1.60s arp studs
Crane 1.5 rockers, comp 4340 push rods, comp retro fit lifters
Dart Kool Kan intake 750 holley dp
MSD pro billet with a 6al box
fuel cell with 2 holley black fuel pumps
truck weighs right at 4000 with me in it.
Have not had it to the track yet just got finished with it this winter anybody have any ideas what she will run?
All we race around here is 1/8th mile
150 shot of nitrous
3500 stall, very well built 350 turbo, 12 bolt rear with 4:56s eaton posi, with caltrac bars and springs, and 29x13.5 ET Streets.
So almost 600 HP eh? Crazy!
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Man no kidding, total sleeper! Love it! I think the conversion ratio for 1/8 to 1/4 is 1.57. That would make your 7.16 at 11.24!! Holy crap! What are you running in that thing???
Yea thats about what I figure she will do on motor. Think I can spray it to mid or low 10, if I can ever get the traction issues worked out.
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Couple pictures from this weekends racing, This is what too much torque will do for you. lol
(http://i567.photobucket.com/albums/ss115/mike_hd1340/brokentransmissionbestpic.jpg)
(http://i567.photobucket.com/albums/ss115/mike_hd1340/trucks004-1.jpg)
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A little duct tape and she'll be good as new. :P
Did this happen with the help of some spray?
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No believe it or not I still have'nt sprayed it. This was the result of 12psi in the slicks and 2 full rounds on the cal-tracs launching at 4500. It did hop the left front tire about 8 or 10 inches off the ground before it broke. But on the good side I think I finally found the right combination to make it hook. Got a new J.W. Racing ultra case transmission on the way should be here end of the week and will try it again.
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wow... what torque......
that is an awsome combo.
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Mike, What were you getting for 60' times prior to your little transmission mis-hap?
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The best I got was 1.58 average was 1.60 1.61
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Hmmmm, Maybe you can check with tghoward1376 for some pointers about your traction problems...he went 1.54 60's with an one wheely peely & stock suspension ;)
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I think he was spraying 175 shot off the line when he ran the 1.54 and broke doing it. I've been getting 1.58-60 on motor. If my trans did'nt break I think she would've been 1.4s it hooked hard. As soon as the left tire came back down is when it broke.
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not one wheel peel my truck has a 3.73 geared 12 bolt that is welded up lincoln locker lol was like that when i bought it lol
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Tg, Ok, I got you & campcrf confused from your other post...all of the 3.73 & 4.56 talk was too much for my brain to keep on track.
Also, I had a mess just like yours a few years ago. Right side, spring broke then the shock got bent, U-joint broke, yoke got chunked, muffler bent, ect. ect. Get the front of the spring held still & you should be good to go. Have Fun! Lorne
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Mike, Do you have any pictures of the launch? Is the Left side comming up way higher than the Right? Where that tranny is broken, I would think that is from the frame twisting...Left mount goes up, Right mount goes down & trans mount is stuck in the middle.
Are planning to do a rollbar/cage? Are truck frames as far as twist goes goes, is pretty bad. I have a plan for a real slick anti-roll bar, but I'm not sure without some frame stiffening that it will work all that well, most likely just twist between the anti-roll bar & the engine area. The ultra bell should fix you up. Another option if this continues to be a problem would be to go to a mid-plate, the combination of the engine & frame attached there seems to help each other.
My friend has a high 9 second '68 Camaro with a stock subframe (does have connectors & a 10 pt. cage). He broke a block up the lifter valley & a transmission that looked just like yours. This was with solid mounts & a urethane tranny mount...adding a mid-plate seems to have stopped the problems, the last couple years have been pretty good to him. My Two Cents, Lorne