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February 25, 2021, 01:16:59 PM

Show Posts - mad4slalom

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Messages - mad4slalom

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1
Beach Buggy Rolling Chassis Help / Re: Possible bump steer
« on: September 02, 2020, 09:41:38 PM »
I shared a tip here a week or so ago re tight ball joints. With the arms off put a nut on the thread, put an adapter in your drill that'll take a 1/2" socket, slip a 19mm socket on it and 'run' the joints for a minute or two with your drill, it doesn't take much. It works s treat.
that sounds worth a go,👍 thanxmanx.😁

2
Beach Buggy Rolling Chassis Help / Re: Possible bump steer
« on: September 01, 2020, 10:06:18 PM »
unless the suspension is really soft evenly spaced repetitive lumps will cause problems, the damper is there to reduce steering kick caused by 15 wheels.
 Not self centring  is lack of castor angle or something is a bit tight like a ball joint.
With beetle front end I wouldn't of thought you'd get bump steer on the left hand wheel, on the right maybe due to how short the steering rod is, the lower you go with the front the more your going to get bump steer. Bump steer makes the car change direction violently. Bump steer is easy to check block car at height between full compression and full droop remove dampers and bit more difficult with beetle you have to remove torsion springs then reassemble without them.
Trolley jack under bottom arm now jack up from ride height or lower from ride height and measure distance from front or rear of rim with DTI gauge if it's really bad you will see it, nearly all cars have some bump steer I've seen as much as 22mm.
Drive car down a country lane and hit the brakes fairly hard if it tries to throw you into the hedge you have bump steer :o
hmm prob not b steer then, as brakes straight and handles pretty well apart from stiff steering, will look at it again. Thank you all

3
Beach Buggy Rolling Chassis Help / Re: Possible bump steer
« on: September 01, 2020, 09:57:52 PM »
unless the suspension is really soft evenly spaced repetitive lumps will cause problems, the damper is there to reduce steering kick caused by 15 wheels.
 Not self centring  is lack of castor angle or something is a bit tight like a ball joint.
thanks snoopy:my new meyle ball joints were very stiff when they were fitted. ,

4
Beach Buggy Rolling Chassis Help / Possible bump steer
« on: September 01, 2020, 03:15:52 PM »
Hi all, out for a bank hol blast in the buggy yesterday and had a pretty alarming experience that I have not experienced before and wondered if anyone here has had similar. Was going at about 35mph down hill into mevagissey in cornwall whenn sunddenly the buggy started bouncing up and down,banging and juddering, my first thought was a puncture or worse a wheel bearing broke up. I can describe it also as if the wheels , not sure if front or back were oval instead of round as the whole buggy was violently going up and down what felt like several inches. I pulled over expecting to find something big broken, my wife said it was the white painted sharks teeth on the road and slow sign. I hadnt taken any notice as the buggy has always handles stuff pretty well, although the steering can be squirrely on rougher roads and does not self centre very well. I had  ditched the steering stabiliser bar as advised on here during the build. These white road markins were much more prominent thean normal painted ones. The buggy drove perfectly again after this. Was I experiencing the Bump steer I have read about or do I need a geometry check.any advice welcome. Thank you guys.

5
Beach Buggy Engine and Exhaust Help / Re: Filter king query
« on: April 27, 2020, 10:25:03 PM »

Better/safer than a inline glass one  ;-)(-; ;-)(-;
noted 👍I have a new plastic one here

6
Beach Buggy Engine and Exhaust Help / Re: Throttle cable query
« on: April 25, 2020, 10:37:28 PM »
The tube, original  that is, has a nick slot in the end that protrudes through the g`box end. The fan housing, again original, has a hole that rather than being a true circle has a lower indent. nick of tube sits at this indent point. keeping it in place.
thanks I will look at mine but think i will do as dave dnd suggested with the nylon tube all the way , sounds simple and efficient .

7
Beach Buggy Engine and Exhaust Help / Re: Throttle cable query
« on: April 25, 2020, 10:34:05 PM »
I've always used a length of polythene tubing, truck air brake stuff, around 6mm, right from the back of the chassis, zip tied along the Bowden tube and through the fan housing in a single length.
ihad this nylon tube from th chassis to the metapipe ,joined with a bit of rubber fuel pipe but it was too short and left the bowden cable exposed. I like the idea of taking the nylon tube right through the fan  housing in one length and doing away with the metal tube. 👍

8
Beach Buggy Engine and Exhaust Help / Re: Throttle cable query
« on: April 25, 2020, 10:28:57 PM »

Mine has a rubber sleeve pushed over the shroud,kept in place with a jubilee clip.
Does this help  :-\
did this originally but it has come detached .

9
Beach Buggy Engine and Exhaust Help / Re: Filter king query
« on: April 25, 2020, 10:24:32 PM »
Hi Buddy,

Sorry but I cant comment on the regulator but I saw that you've said there is a "glass in line filter", from past experience and comments from other users, if its one of those washable motorcycle/kit car filters be careful as they leak badly or break all of a sudden.
Your choice but just passing on some chat and info.

Cheers H
thanks for that ; should i swap for a plastic chuck away one with the paper element inside ?

10
Beach Buggy Engine and Exhaust Help / Throttle cable query
« on: April 24, 2020, 11:21:16 PM »
Hi all , frustrating lockdown with this amazing april sunshine, doing lots of little jobs and touch ups whilst stuck at home. I have a query re the throttle cable. What secures the tube that guides the throttle cable through the fan housing, mine seems to want to rattle out toward the carb leaving the throttle cable bare and rubbing a groove in the casting of the bellhousing. I have the other sleeve from where the cable exits the side of the floorpan tunnel in situ, but is this one supposed to meet the short one coming through the fan housing , mine just seems to rattle around loosely on the throttle cable 🤔any suggestions  appreciated.

11
Beach Buggy Engine and Exhaust Help / Filter king query
« on: April 15, 2020, 12:10:14 PM »
Morningall, ,just going through my bits cupboard and came accross a fuel king pressure regulator ,I bought this during the build and never used it. Do many of you guys use or can enlighten the pros and cons of using or not using one? My set up is a rear mounted spun tank above the motor,stock mechanical fuel pump , in line glass filter feeding a copy mexican carb on 1600 twinport. All running pretty well no flat spots ,enough power, little rich on start up due to auto choke set up never  been quite right . Best left alone   ? Thanks in advance 👍

12
Beach Buggy Rolling Chassis Help / Re: Brake bleed query
« on: April 08, 2020, 10:58:40 PM »
Without reading the whole thread and without stating the obvious have you tried loosening the pipe/hose that goes into the caliper. If fluid is pumping out of there but not getting through the caliper then the caliper's at fault, if there's no fluid coming from the hose then there's a blockage between the m/cyl and the caliper.
yes, tried loosening flexi from caliper and plenty of fluid . New caliper on its way, very helpful chaps at Just Kampers, no quibble ,even pay the postage for the return of faulty caliper. Great company. Will report back when fitted, thanks again everyone for all help and advice. 👍
well , thanks all for all the help and advice, new caliper arrived from JK. Swapped it over , bled that one then re bled all 4 corners again, lovely firm pedal, much more feel now as original old calipers had always been vicious and way too easy to lock up. Best brakes I have ever had, just wished I had renewed during  the build originally. Great outcome, many thanks to all again. 👍

13
Beach Buggy Rolling Chassis Help / Re: Brake bleed query
« on: April 06, 2020, 10:26:58 PM »
Without reading the whole thread and without stating the obvious have you tried loosening the pipe/hose that goes into the caliper. If fluid is pumping out of there but not getting through the caliper then the caliper's at fault, if there's no fluid coming from the hose then there's a blockage between the m/cyl and the caliper.
yes, tried loosening flexi from caliper and plenty of fluid . New caliper on its way, very helpful chaps at Just Kampers, no quibble ,even pay the postage for the return of faulty caliper. Great company. Will report back when fitted, thanks again everyone for all help and advice. 👍

14
Beach Buggy Rolling Chassis Help / Re: Brake bleed query
« on: March 31, 2020, 03:22:47 PM »
it was the total lack of fluid at the nsf caliper that was driving me nuts

I have no technical explanation here but over the decades and many many calipers it has been the nearside front that is the annoying one.


it was the total lack of fluid at the nsf caliper that was driving me nuts

I have no technical explanation here but over the decades and many many calipers it has been the nearside front that is the annoying one.
hi again paul, I removed both nsf bleed screws, litterally a couple of drops present but no increase when brake pumped. Bled all four again three times plenty of air again but bled til running bubble free, still nothing at nsf though. Phoned just kampers , they are as baffled as we are. Test drove again can lock front wheels evenly on dirt/gravel , brakes pretty much straight on the road , brakes squeaky but to be fair, I wacked the new calipers on without removing pads and copperslipping the backs. I am beginning to suspect an abnormally functioning caliper, JKs have no problem changing caliper, I thought maybe I should swap the calipers over and see if the problem moves to the os . Any thoughts? Thanks again. 👍

15
Beach Buggy Rolling Chassis Help / Re: Brake bleed query
« on: March 30, 2020, 11:15:58 PM »
With a system that was empty I have always gone back after a few days and done it again. You may get no more air out but sometimes you get the odd bubble
thanks Doon I will do it again but taking out the bleed nipple completely as Paul advised  to check running fluid before bleeding. It was frustrating because on the other 3 wheels, the air passed through quickly and had bubble free fluid in the bleed tube, it was the total lack of fluid at the nsf caliper that was driving me nuts 👍😖🤣

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