Author Topic: 571  (Read 92591 times)

mr.mindless

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Re: 571
« Reply #1065 on: June 25, 2018, 12:32:45 PM »
bumpstop pads are pretty hammered on a couple of these, should have probably freshened those.

I think I goofed and should have thought about material to de-stroke these since that was on my to-do-list to make them 2" in front and 3" in the rear. Hopefully I put oil capacity in the thread here, I don't remember at all. A couple of them were completely empty, across all 5 I tore down I might have gotten enough oil to fill one? Maybe?
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mr.mindless

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Re: 571
« Reply #1066 on: June 25, 2018, 12:35:12 PM »
oh, forgot to mention the idler pulley fell apart when I pulled this out of Joe after the last race. Lost belt, pully sitting askew on bolt with no ball bearings in it at all.

Those replacement idlers are such fucking trash.
Installed the one of the brackets the fresh motor came with. Bet it outlasts the replacements I've been changing twice a year.
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mr.mindless

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Re: 571
« Reply #1067 on: June 27, 2018, 04:29:25 PM »
didn't hit post on this last night

After little cleanup and mix n match of best parts, these are ready to assemble with fresh seals and oil tomorrow after I cut 2 spacers to shorten stroke. Plan to

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mr.mindless

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Re: 571
« Reply #1068 on: June 30, 2018, 05:49:21 PM »
Fucking gnats and flies and heat are driving me batshit.

RF wheel bearing is loose. Slowed me down for the last 2-3 miles. That’s the axle shaft that got swapped at aoaa. Two pump brakes without expecting something to be lose slowed me down to keep 4 wheels on the car to finish.

First in class finish.
Kim Matzen bet me by 25 seconds. Not sure if we were 1-2 overall or not. Likely.

No tires. Never stopped. Tires at 32-35 psi because fuck you flats.

Definitely lacks low end power in current state if tune. Makes up for it with nasty raspy gogogo top end.

Caught a trans cooler fan trying to burn up at the start line. Trans indicated 120-125 all day in spite of one fan out of two dead on trans coolers. Engine topped out somewhere around 205-215. Cooled down after that. High range race. Radiator probably 20-30% covered in leaves from overhanging branches and still stayed cool. Unexpected at 90-95 ambient temps. I’ll take it!

Steering sloppy. Very sloppy. Same bolt as was tightened at aoaa loose again. All steering heims sloppy.



Todo:
Stiffer rear swaybar by about 20%
Chk LF axle shaft
Install good RF axle shaft and fix bearing issue whatever it is
Heims & bolts in steering
fresh mud muncher button
All else is perfect.
I miss the tci valve body with throttle linkage and automatic downshift but after a lap I was ripping it anyway and getting better at one handing sloppy steering.


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« Last Edit: July 02, 2018, 06:35:28 PM by mr.mindless »
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oh lord!

M4wdFab

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Re: 571
« Reply #1069 on: July 02, 2018, 07:48:23 PM »
nice work.  wreck wheeling next then?

mr.mindless

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Re: 571
« Reply #1070 on: July 02, 2018, 09:06:43 PM »
1 weekend till next line mountain. Probably no rec wheeling next with joe needing work and buggy needing work, both.


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mr.mindless

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Re: 571
« Reply #1071 on: July 05, 2018, 11:24:41 PM »
Bad corner cleaned, resealed, greased, assembled. Lots of dirt in the hub. Bearings – especially inner – pitted, but not awful. Cleaned up well in parts washer. Washed out hub completely as well, was muddy from end cap being lose. Trimmed shitty Nitro axle shaft so stub isn’t too long. Didn’t replace. Still need to deal with broken stub and twisted inner. The other inner I have is too short, not sure what that’s from.

Steering heims and arm bolts replaced. Driver arm hole is wallowed but more than half the play was from bolt wear. Running threads in joints and shoulders in arms now, that should help a bit too. Need to maintain torque on those.

Tins aren’t screwed on and steering needs bolts and jams tightened. Otherwise ready for a local Saturday trip or to have a dzues fastener party and make screws stop falling out of worn out threaded tabs for the tins before the 3.5 miler.

Should maybe swap RF tire and/or tear down and re patch. It’s the really really really patched one, and the edge of one fill spot all the way at the shoulder is leaking. Was flat yesterday.

I did get brand new patch adhesive. The big inside patches might actually stick now.




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M4wdFab

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Re: 571
« Reply #1072 on: July 08, 2018, 09:20:36 PM »
john asked your plan if you are going to change TC or no

mr.mindless

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Re: 571
« Reply #1073 on: July 09, 2018, 02:27:15 AM »
I haven’t crawled... I probably should plan on it. Will make everything better.


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mr.mindless

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571
« Reply #1074 on: July 15, 2018, 04:11:08 PM »
4th in A class, 16th overall. No flats.
First hardware from LM by my memory.

Finished with (as in probably raced 2 laps with, judging from noises and handling) a broken rear upper frame side link bolt. When I redid the rear mounts I shortcut and just welded the nuts over the wallowed holes and did fixit washers for the shank side. I didn’t have 9/16 in stock and so reused the very experienced bolts. I think I’ll find that welded shortcut saved my race and a LOT of parts.

I also wore through or loosened a trans cooler line. Saw some smoke from it on the exhaust during lap 2 and stopped. Didn’t get out after deciding it was likely just steering overflow. That and a high speed off on i80 slowed me down 2 minutes that lap. Cost 1 position overall. 74 or 75 racers total.

HOT. Car ran cool. Track was very dry. Dust was definitely a factor. Early or late draws were good. Not sure if there was any more moisture in the dirt early but as traffic dropped off late in the day I was happy to have been 145.


Tim Vasas in is 4.0L 5sp air shocks rig schooled me. 12th oa and 2nd in B I think.

Karl has 2 flats and was 6th in A.

Heavy hitters other than Rusty were saving their cars for Kentucky next weekend. Or at bloomsburg .

Kim Matzen broke steering in the new car during lap 1 so no fair race there. She’s racing on 35s in B class. It’s someone notable’s 4600 car. Bell crank steering and front 4 link. Sector shaft snapped.

Lap times posted by LM on FB already.


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« Last Edit: July 15, 2018, 04:16:35 PM by mr.mindless »
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oh lord!

mr.mindless

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Re: 571
« Reply #1075 on: July 15, 2018, 04:11:40 PM »
Oh, and low rpms definitely suck. Gotta finish tuning.


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M4wdFab

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Re: 571
« Reply #1076 on: July 16, 2018, 03:26:33 PM »
nice work on a good finish!

mr.mindless

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Re: 571
« Reply #1077 on: July 16, 2018, 05:10:02 PM »
Will be interesting to get that bolt stub out of the welded top lock. Not certain I’ve got grinder clearance to cut it off without pulling rear firewall.

Not working on it tonight, hanging out at Strong while dad gets a partly detached retina fixed.


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dubt

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Re: 571
« Reply #1078 on: July 16, 2018, 06:22:23 PM »
Hope he has a good recovery from that Mike. A co-worker a few years ago had both do that after a sneeze.....

M4wdFab

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Re: 571
« Reply #1079 on: July 16, 2018, 11:28:28 PM »
boo for eye issues!