Eyeconic's Impulse/Piazza project

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eyecon
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Re: Eyeconic's Impulse/Piazza project

Post by eyecon » Mon Jan 27, 2020 10:13 pm

Next up. Change over the crappy SAAS steering wheel.
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Changing the wheel wasn’t straight forward because the boss kit needed to be changed too. Finding a Momo boss kit for a Piazza proved a challenge because they stopped producing them years ago. Doing some digging around on the DUB DUB DUB and was able to find the part number which is #4600. It then took a while before a used one popped up on eBay, and then another one (brand new) on eBay a month or so later. So I bought both of them. Both boss kits had the stamping C 4600. Incidentally, the used boss kit came off an old Isuzu Chevette from Uruguay.
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I figured this was of no significance, but as Giorgetto Giugiaro later pointed in my correspondence with him, they are actually for the later HBL Piazzas. They do fit the pre-HBLs like our Aussie Piazzas too in terms spline and shaft size etc, but the horn contact ring sits about 20mm away from the original contact point.
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But it so happens the horn contact ring can be repositioned easily, so I araldited the ring to where it makes contact. Problem solved! Steering wheel and horn button was then fitted. All good. Much happier with the new look.
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On a seperate note I played around with the second of the C 4600 boss kits. On this one I cut down the shaft ‘snout’ 19mm with a hack saw and placed the cut bit inside the boss to maintain the height of the snout (but in the other direction). Interesting to note the size of the air bubble in the casting after cutting it open. I haven’t installed this boss kit to see how well it fits down the steering shaft spline, but I will one day. But for now I’ll put it in storage.
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eyecon
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Re: Eyeconic's Impulse/Piazza project

Post by eyecon » Tue Jan 28, 2020 4:11 pm

Decided to continue with on with the theme of freshening-up the interior with some modern touches. This time I focused on the centre hand brake cover and centre console. They were removed, the faux texture was then sanded down and smoothed out, spray painted with a metallic dark grey, and sealed with a few coats of clear. Once dry I used a cutting compound to get the clear coat looking smoother and glossier.
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This dark grey colour was chosen because I wanted it to be a nod to the original factory grey colour, but with a shiny metallic twist. For those interested in the colour here it is below:
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eyecon
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Re: Eyeconic's Impulse/Piazza project

Post by eyecon » Sat Jun 20, 2020 6:47 pm

Today was rear springs day. I regret selling the previous set to Eli, and these other chopped springs were still sitting too high.
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My mechanic got a set of Ford Cortina springs (#2114) from Pedders to tie me over until I sorted out what I wanted to do. The Ford Cortina springs were pretty heavy duty, at over 15mm in wire diameter, but being chopped they would fall out if jacked up.
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I eventually decided on a set of front springs off a Mk2 Ford Escort from King Springs (KFFL-13). King Springs make them as a progressive rate, which was exactly what I was looking for.
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The spring diameter was about 12.5mm and were sitting taller than the chopped Pedders ones I pulled out (or should I say fell out)
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Both springs were very similar in overall diameter too.
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When the new springs were installed they only JUST managed to be be captured by the top plate (with the top rubber in position).
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I must say the new ride height was spot on where I was hoping it would be. Very happy with the outcome and was easy to do in my garage. All I needed was a car jack and timber pieces (or car stands if you have them). I haven’t taken it for a spin yet, but I’m very happy with the result so far. Can’t wait to take it for a spin. Next step will be to have the panhard rod resized to suit the new ride height.
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Re: Eyeconic's Impulse/Piazza project

Post by eyecon » Sat Oct 24, 2020 7:00 pm

Had a chance to deal with the rear parcel shelf the other day. The original elastic cords located inside the parcel shelf have perished and are no longer pulling the cords. So for those who are contemplating the same thing here’s a guide how to replace the worn out elastic cords.
To fix this I bought about 2meters of new elastic cord from a haberdashery shop for a couple of bucks, a small pack of shoelace aglets from eBay for a few bucks, and 1meter length of 10mm heat shrink tubing (I’ll explain later).
Removing the original elastic cords is relatively simple. First, flip the parcel shelf and remove the metal channel from the runner with it’s 3 screws. Next, carefully remove the plastic retainer clips on each end that the cord slips through. Next, pull out the plastic ends from the parcel shelf housing. When you pull them out and open it up you’ll see how the elastic cords are connected and crimped with aglets.
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Remove-cut the old elastic cords and cut the new elastic cords to be about 3/4 length of the parcel shelf runner. Attach the aglets in the same fashion as the original ones. The only thing I changed was to tie a small knot on the end of the new elastic cord that gets secured inside the plastic end instead of attaching an aglet (pic showing the original elastic cord).
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You’ll need to feed both new elastic cords at the same time. I used a wire coat hanger which I straightened and attached the new cords to one end. The problem I then faced when I kept trying to feed the wire through the metal runner was that the elastic cords kept snagging little burrs along the inside of the runner. It was obvious the inside of the metal runner/tube was very rough. Definitely not ideal! After some head scratching I came up with a super easy fix. Insert the 10mm heat shrink tubing inside the runner and cut off the excess. This provides a smooth shield for the elastic cords to slide against inside the runner. Now feed the coat hanger wire through and attach the ends of the elastic cords.
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As the new cords will be shorter than the runner/tube be sure not to let go whilst tying it all in as it will fling back deep inside the runner, and you might have to re feed the elastic cord again.

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Re: Eyeconic's Impulse/Piazza project

Post by Piazzish » Tue Oct 27, 2020 9:50 am

Im checking in on here regularly! Nice to get some tips and follow your progress :thumbright:
1989 Isuzu Piazza JR120 Lotus Turbo Red 92000km
1989 Isuzu Piazza JR120 Lotus Turbo White 183000km
1987 Isuzu Piazza JR120 Pre-Lotus Turbo Red 131000km
1984 Isuzu Piazza JR130 N/A Black 136000km
1984 Isuzu Piazza JR130 N/A Black 87000km

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