New best in the boat
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TECH Apprentice
Joined: May 2005
Posts: 349
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From: Mount Sterling KY
New best in the boat Took my 96 Impala SS to the track today and came away with a new best of 11.19@118.9 here is the time slip and video's. This is on a 150 shot.
11.19@118.9 - http://www.youtube.com/watch?v=nMmo4Vs0OFo
backed it up
11.23@117.5 - http://www.youtube.com/watch?v=VMGRxXOSmQA
11.19@118.9 - http://www.youtube.com/watch?v=nMmo4Vs0OFo
backed it up
11.23@117.5 - http://www.youtube.com/watch?v=VMGRxXOSmQA
Last edited by hvyss; Nov 9, 2009 at 08:26 PM.
Thread Starter
TECH Apprentice
Joined: May 2005
Posts: 349
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From: Mount Sterling KY
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Awesome times for a small motor in a big car, looks like old Lloyd Elliott is doing something right with these LT1 heads. Are you leaving on n2o b/c you have alot top gain in the 60'. Spray another 50HP and youll be in the 10's. Later Clint
Thread Starter
TECH Apprentice
Joined: May 2005
Posts: 349
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From: Mount Sterling KY
Running a Harris Speedworks wet kit with 62 nitrous and 35 fuel jets and 1200 psi bottle pressure. Bring nitrous in off the line. Was stalling to 2700. PTC 10" lockup converter 3500 stall and tight as hell. Have window switch set at 3000 and 6600 and coming through the traps at 6700 with 4.10 gears. Loving the GM847 and it likes nitrous
Last edited by hvyss; Nov 10, 2009 at 08:26 PM.
Launching!
Joined: Nov 2009
Posts: 208
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Where did you get the GM847 cam at?? I've been looking for along time now and can't seem to find it I'm building my car this winter. So any help on where to find it would be greatly appreciated. Thanks. Running a Harris Speedworks wet kit with 62 nitrous and 35 fuel jets and 1200 psi bottle pressure. Bring nitrous in off the line. Was stalling to 2700. PTC 10" lockup converter 3500 stall and tight as hell. Have window switch set at 3000 and 6600 and coming through the traps at 6700 with 4.10 gears. Loving the GM847 and it likes nitrous
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TECH Apprentice
Joined: May 2005
Posts: 349
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From: Mount Sterling KY
I lucked into the 847. Found it here for sale one night new. Bought it on the spot. As for tire pressure I did need more air in them but had trouble getting the QA1's adjusted properly. With a cast crank and sir rods I think 150 shot is all its going to see. And with distribution problems with the LT1 intake I think I will leave the shot alone. Tire size is 28/10.5/15 MT slick stiff walls and 4.10 gear
Yes we needed a little more air pressure in the tires, but we were having trouble hooking the 150 shot from a 27-2800 brake stall. Thats why we lowered the tires down so low to try and make it hook and it worked but dang those slicks are wrinkled lol. That last 11.23 pass had 10psi of air pressure if memory serves me correct. The 11.19 pass had 12psi tire pressure. I believe with some more suspension tuning to make it hook harder and figuring out the launch technique this car likes should give us a tenth or so ET but we got it lined out pretty darn good within a few track passes, so I'm tickled with the results!
I also believe that a 3.73 gear would help this car out on the jug because it was cranking some RPM's crossing the traps. I think bringing the RPM's down some at the top of 3rd will give us some more top end and possibly get the car trapping in the 120's. I also believe it will help the car hook up easier and pull better 60's because it's just chapping the tires right now where it's gear'd so low.
I also believe that a 3.73 gear would help this car out on the jug because it was cranking some RPM's crossing the traps. I think bringing the RPM's down some at the top of 3rd will give us some more top end and possibly get the car trapping in the 120's. I also believe it will help the car hook up easier and pull better 60's because it's just chapping the tires right now where it's gear'd so low.
Leave the gears alone, work on the supension, and leave from idle. B-bodies with stock style suspensions without a transbrake do not like to be brake torqued. We need all the suspension action and weight transfer we can get with these long wheelbase cars.
Nice runs, Frank! It will only get better
Nice runs, Frank! It will only get better