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Gremlin Traction Woes |
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WesternRed 
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Joined: Aug/03/2010 Location: Australia Status: Offline Points: 5796 |
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 Topic: Gremlin Traction WoesPosted: Nov/22/2020 at 8:11am |
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That’s the that shifter was used in the Aussie Hornets, I did file the gate to make it work with the reverse pattern valve body. Had a lot of trouble with shifting straight from 1st to 3rd before that.
Edited by WesternRed - Nov/22/2020 at 8:13am |
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Rebel Machine
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Posted: Nov/22/2020 at 7:35am |
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Awesome! Looks like your shifter is the same as the one in my Machine (console shift automatic). -Steve- |
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WesternRed
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Posted: Nov/21/2020 at 11:01pm |
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These are the runs from a couple of weeks ago with a good track, also had the cut-down 6 cylinder front springs installed, which gives me a lot more extension in the front:
60' times were 1.75, 1.72 and 1.71, manages 1.68 on one of the other runs that wasn't in the film, which is a PB.
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I've finally given up drinking for good...........now I only drink for evil.
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PROSTOCKTOM
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Posted: Nov/21/2020 at 6:13am |
Tom
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Molnar Technologies Full Service Dealer - Crankshafts & Connecting Rods
1969 AMC Rambler Rouge Race Car 1974 AMC Hornet Hatchback, Wally Booth Outlaw Nostalgic Pro Stock Race Car Project |
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WesternRed
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Posted: Nov/20/2020 at 8:19pm |
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Sounds like I’ll be trying the rear shocks on the hardest setting, nothing to loose there.
There is a video earlier in the thread of the slapper bars in action. I also have a feeling the rear springs are a bit tired and it seems to sit lower in the drivers side, I have been thinking to swap left with right.
Edited by WesternRed - Nov/20/2020 at 8:22pm |
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I've finally given up drinking for good...........now I only drink for evil.
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Steve Obertanec
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Joined: Nov/26/2012 Location: Lodi Ohio Status: Offline Points: 246 |
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Posted: Nov/20/2020 at 7:15pm |
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The Southside type bars are way cheaper than the Caltracs. Competition Engineering sells almost the same thing. We buy them cheap at swap meets. We get anything close then modify to fit. Southside is back in business but not making AMC bars anymore. I have been 1.36 60' on this set up. I have a stack of 5 leaf springs, pretty stiff & the Calvert shocks were a million times better than the Summit 3 ways. The Calvert shocks are 9 way adjustable Rancho shocks & adjust with a knob. They really slow down the separation which tends to pull the rear tires off the ground. Your rear shocks could be too short as well?
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Steve Obertanec
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WesternRed
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Posted: Nov/20/2020 at 7:06pm |
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I currently have Competition Engineering hocks on the back, but haven't actually played with the different settings, maybe I should give that a go.
Home made slapper bars on the back, was thinking to go to Caltracs, but have just spent all of my money on the coilover conversion for the front, so that would be something to revisit in the future. I have the Summit Racing 3way adjustable shocks on the front at the moment, they are supposed to be 90/10, 80/20 and 70/30, but the human shock dyno suggests the they just have soft medium and hard with the the same rate on bump and rebound, they are set on the softest setting. The front end still feels very stiff to me, hence I'm hoping the coilovers will make a difference. I was having a bounce on a mates Valiant (Dodge Dart) and that is way softer in the front than my Gremlin.
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Steve Obertanec
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Posted: Nov/20/2020 at 6:56pm |
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No matter how much time & effort you put into it, track conditions will almost always have you leaving the track scratching your head.
An area I see some economical improvement would be Calvert 9 way adjustable rear shocks. Another thing may be the slapper bars. We have always had good luck with the old Southside Machine bars. They bolt on the rear with the U bolts & bolt to the front of the springs with a square U bolt.  Real slicks make a world of difference as well. Good Luck!
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Steve Obertanec
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WesternRed
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Posted: Nov/19/2020 at 7:06am |
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Feels like I have gone full circle and I am back to square one in more ways than one. ran the car last night and traction was again a massive issue. 5 runs with 60' times of 1.93, 1.73, 1.88, 2.04 and 2.07, so one good run with a lot of rubbish thrown in. By comparison, the previous time out it was 1.77, 1.75, 1.72, 1.68 and 1.71.
Lots of complaints about the track, particularly towards the end of the night. We have a theme night each week with half price entry and last night it was "Euro Night", so we had a whole bunch of late model Euro Trash running and the story was that these cars all running on street tires basically strip off whatever traction compounds has been laid down on the track. I didn't help the situation, even though the battery re-location is now complete. With all of my messing around with front springs, I ended up back on my original 350 lbs/in large car springs with the front end stuck up in the air, so that didn't really help at all. The only positive outcome of the night was that there was a McLaren 720 S there running slower than me. Anyway, some coilovers for the front are now on order, so hopefully they will help a little when they get here in a couple of months time. In the meantime, I will put the cut down 6 cylinder small car springs back in and I have purchased some Opentracker Delrin strut rod bushings, which should be here in the next few days. Edited by WesternRed - Nov/19/2020 at 7:12am |
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I've finally given up drinking for good...........now I only drink for evil.
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WesternRed
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Posted: Nov/01/2020 at 1:04am |
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Nice to see the back to back comparison of Caltracs to slapper bars, I've got a bit of work to do to get my 60' times down to there.
I'm playing is a bit of a series we have running here at the moment, which requires radial tires, but realistically they should be more than good enough to get the job done at my level. I've finished off the battery relocation, so hopefully that will help a little. Currently looking at options to get rid of the strut rod bushed up front. I've butchered my 6 cylinder front springs to get the ride down to a acceptable level, so I sort of have no confidence in them now.
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I've finally given up drinking for good...........now I only drink for evil.
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WesternRed wrote: