551 A race oddity

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CNHSS1
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551 A race oddity

Post by CNHSS1 » Mon Apr 16, 2018 10:31 pm

What a pile of crap :mrgreen: :mrgreen:

With everyone blowing smoke up your ar5e Ben, I thought id be the voice of reason and moral compass of the group :lol: :lol:


Racing is life, everything before and after, is just waiting--Steve McQueen
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551 A race oddity

Post by BigBobPilot » Mon Apr 16, 2018 11:04 pm

CNHSS1 wrote:
Mon Apr 16, 2018 10:31 pm
What a pile of crap :mrgreen: :mrgreen:

With everyone blowing smoke up your ar5e Ben, I thought id be the voice of reason and moral compass of the group :lol: :lol:
As ever, I can rely on you 100% Mr H. Thank you for your most valued input :wink:


Ben

SS1 CA18DET race car in build
Latest owner of V6 coupe SRE 353G
SSSC Champion 2009, driving "Big Bob"
CSCC "Swinging 60s" race series winner in 2011, 2014 & 2015 (Group 2) sharing a Marcos with Iain Daniels

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551 A race oddity

Post by CNHSS1 » Mon Apr 16, 2018 11:28 pm

You know me, helpful as ever :lol:

But seriously, it's looking mega mate 😎


Racing is life, everything before and after, is just waiting--Steve McQueen
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RIP Batmobile, await the Rise of Dark Knight 8)
Sabre 'Light Sabre' 360hp!!
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551 A race oddity

Post by philhoward » Tue Apr 17, 2018 5:18 am

:hurrah: :hurrah: :hurrah: :hurrah:


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551 A race oddity

Post by BigBobPilot » Sun Apr 22, 2018 9:52 pm

I’ve only managed to get on to the SS1 again today really. Saturday was digging out the Marcos 3-litre I share with Iain Daniels, for pre-race check & a couple of little mods. We are racing it on 5th May at the same meeting I had been hoping to get the SS1 to.

Here are 3 stages of the turbo actuator bracket. The card one didn’t allow me to check the fit, so before going to 3mm steel, I made a thin aluminium part, as I could cut it with snips & fit it to the turbo, with the actuator just squeezing in.
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Painted with some high temp paint and now fitted
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After previously priming both front & the rear RH wings, they all needed a little filling & flatting, with some GRP work, so I’ve done that, along with the prep of the LH rear wing. All are now primed, the fronts are laqured, but the LT rear needs some more filler on the top extended face, The RH wing got blown over so needs more effort before lacquering.

I did a lot of sanding on the air-damn mould I made about a year ago. I’d filled some holes with flow-coat & flatted it back twice, than I made a third go with flow-coat, but this one didn’t want to sand and just clogged the paper, do it took ages. It needs flatting with some finer paper, then I’ll get on to polishing it up ready to make up a part. Here’s the whole lot.
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Ben

SS1 CA18DET race car in build
Latest owner of V6 coupe SRE 353G
SSSC Champion 2009, driving "Big Bob"
CSCC "Swinging 60s" race series winner in 2011, 2014 & 2015 (Group 2) sharing a Marcos with Iain Daniels

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551 A race oddity

Post by Peter S » Tue Apr 24, 2018 11:43 am

Just to prove non racers also read your posts may I make a suggestion?
Have you considered using a robotic lawnmower - More time to fettle the racer :D


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551 A race oddity

Post by BigBobPilot » Tue Apr 24, 2018 6:53 pm

Peter S wrote:
Tue Apr 24, 2018 11:43 am
Just to prove non racers also read your posts may I make a suggestion?
Have you considered using a robotic lawnmower - More time to fettle the racer :D
Now there's a plan!


Ben

SS1 CA18DET race car in build
Latest owner of V6 coupe SRE 353G
SSSC Champion 2009, driving "Big Bob"
CSCC "Swinging 60s" race series winner in 2011, 2014 & 2015 (Group 2) sharing a Marcos with Iain Daniels

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551 A race oddity

Post by BigBobPilot » Mon Apr 30, 2018 10:34 pm

I sent off my ECU to Horsham developments last week. They were modifying it today with a Nistune board, I should get it back within a couple of days with a base map to get the engine running properly. I had been planning to go with their off-the-shelve stage 3 chip, but after discussions with them, I decided that mapping it was the better option. My installation is quite different to the S13, and there stage 3 spec. requires a Garret T28 Hybrid & I've got a T28 (non-hybrid). I'd already been erring towards the mapable ECU upgrade, I can then retain it for for the next engine update. Even if I had fitted the stage 3 chip, I was going to get it checked on Horsham's rolling road anyway to ensure the engine was all safe before hurling it around a track.

It's now booked in for mapping on 18th May, so I need to get back on to this project after a weekend interlude playing with distributors & carburettors on my new coupe, see "The Doctors Coupe" here on the project threads. It wasn't ideal timing to buy the coupe while I'm trying to get the SS1 ready for the track, but it came up for sale - what can you do!


Ben

SS1 CA18DET race car in build
Latest owner of V6 coupe SRE 353G
SSSC Champion 2009, driving "Big Bob"
CSCC "Swinging 60s" race series winner in 2011, 2014 & 2015 (Group 2) sharing a Marcos with Iain Daniels

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551 A race oddity

Post by scimmy ben » Tue May 01, 2018 12:56 pm

BigBobPilot wrote:
Mon Apr 30, 2018 10:34 pm
It's now booked in for mapping on 18th May,
Aargh - I'm not back from work until the middle of the next week - Horsham are in the next village and I have been stalking this thread waiting for your mapping date :)


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551 A race oddity

Post by BigBobPilot » Tue May 01, 2018 8:04 pm

I wasn't expecting a stalker!


Ben

SS1 CA18DET race car in build
Latest owner of V6 coupe SRE 353G
SSSC Champion 2009, driving "Big Bob"
CSCC "Swinging 60s" race series winner in 2011, 2014 & 2015 (Group 2) sharing a Marcos with Iain Daniels

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551 A race oddity

Post by BigBobPilot » Tue May 01, 2018 8:17 pm

The turn-around from Horsham Developments was quick. I posted my ECU on Friday last week, I spoke with Jez yesterday to confirm some details and I got my modified ECU back today.

It looks just the same, excepting an extra hole drilled in the side with a USB connector (in the photo below, bottom left, between the 2 screws). I need to download the Nistune software and then I can check all the sensors are working on my laptop, rather than counting LED flashes.
20180501_185133.jpg
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Last edited by BigBobPilot on Sat May 19, 2018 10:43 am, edited 1 time in total.


Ben

SS1 CA18DET race car in build
Latest owner of V6 coupe SRE 353G
SSSC Champion 2009, driving "Big Bob"
CSCC "Swinging 60s" race series winner in 2011, 2014 & 2015 (Group 2) sharing a Marcos with Iain Daniels

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551 A race oddity

Post by BigBobPilot » Mon May 07, 2018 10:13 pm

On Saturday at Silverstone, I watched some of the CSCC "Modified Sport & Saloon" racing & had a wander around some of the cars. This is one of the series I'm building the SS1 for and it was the race weekend I'd been aiming for with this car. So, I’ve been working on the SS1 today, it now runs and drives, but it’s never quite that simple…

Sorry folks, it’s another wordy one, there wasn’t much new to take photos of.

I’d plugged in the modified ECU in the week and tried starting it, but it still didn’t want to play. So today started with some fault finding. Having downloaded the Nistune software, I plugged into the ECU and had a look at the error codes & live readings. The Throttle Position Sensor (TPS) was reading full throttle & didn’t change with pedal movement. Also the coolant temp sensor was reading high; both had error codes too.

I checked the TPS resistances against the manual and all was good, same with the temp sensor. There’s a separate idle switch, the throttle cable was hanging up slightly and stopping this operating unless I out a bit of pressure on the throttle linkage. I just chopped a little bit of the cable outer away, so that it gave me more adjustment on the cable. Then I checked the continuity of the wires from the sensors to the ECU. The TPS & the temp sensor share an earth pin at the ECU, so I was suspecting that, but it was ok. Plugged it all back together, cleared the fault codes & all is good. So I’ll have to assume I had a bad connection somewhere?

It now started & stayed running. Next up, it was leaking oil.
20180507_114630.jpg
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The bit on the far side was water, not an issue. The oil was from the remote oil cooler & filter body, which is a pain, as it is really awkward to get at on an SS1. I took the sandwich plate off, cleaned it all up and put it back on. It’s a square drive nut on it, so I was trying to use a spanner, but I just didn’t have space. So I used the smallest multi-point socket that would fit on the square and got a ratchet with a wobble drive extension on there, which allowed me to get the sandwich plate a lot tighter.

With the oil leak fixed, I thought I’d drive it on it’s maiden voyage, out of the garage & on to the drive, but the clutch wouldn’t disengage. There was just enough movement in it for me to start the engine with 1st gear selected & edge out of the garage.

On the driveway in the sunshine, started to check & set the fuel pressure, timing & idle, an noticed the previously leak free fuel feed line was leaking where I’ve got it passing through the chassis with a bulkhead fixing, the pipe come though the transmission tunnel, then up in to the engine bay just in front of the bulkhead, it was this awkward little blighter that was weeping. With that done, timing set, I ran the engine up to temperature to check everything was working, gauges, cooling fan etc and no leaks. All is good at this point.

Next, on to the clutch, so with the car up on axle stands, it was straight to the stupid Reliant bell-crank. I didn’t like this when I fitted it. First I changed the cable, as I’d bought a new one. No difference, but I wasn’t really expecting it to fix it. The bell crank just looked all at the wrong angles & I’d got the cable at maximum adjustment. I decided a longer rod between the bell-crank & the clutch are was required. I was going to chop & modify the original, but I found a cleat and with a ¼ UNF bolt fitted, with the head cut off & a “hemisphere” ground on to the end, it looked like it would work. It’s about 25mm longer than the original, but adjustable too.
20180507_175933.jpg
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This has allowed a sensible level of adjustment on the cable & moved the bell-crank. It was almost at the end of its travel, but now it’s the same distance the other way, so it has more sweep. I think I’ll be tempted to go to a hydraulic clutch at some point. I had a quick check of wherer the bite-point was while it was still up in the air. It was a bit close to the floor, so tweaked the cable up a bit more.
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Then once the car was back on it’s wheels, I drove it backwards & forwards, used the brakes – they work. Then clipped the garage door frame with the wide rear slick so had that to straighten out too. I’ve got a few more bits to sort out before I take it to be mapped.


Ben

SS1 CA18DET race car in build
Latest owner of V6 coupe SRE 353G
SSSC Champion 2009, driving "Big Bob"
CSCC "Swinging 60s" race series winner in 2011, 2014 & 2015 (Group 2) sharing a Marcos with Iain Daniels

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551 A race oddity

Post by efi_sprintgte » Mon May 07, 2018 10:21 pm

First time I put my car back in the garage after fitting a side exit exhaust... loud bang and one ripped exhaust mount :evil:
Last edited by efi_sprintgte on Tue May 08, 2018 7:23 am, edited 1 time in total.


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551 A race oddity

Post by CNHSS1 » Tue May 08, 2018 7:09 am

It lives!! Great news and a brilliant project! Good work BBP 8) 8)


Racing is life, everything before and after, is just waiting--Steve McQueen
6 time Class Champ, 2006 & 2014 SSSC Champion

RIP Batmobile, await the Rise of Dark Knight 8)
Sabre 'Light Sabre' 360hp!!
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551 A race oddity

Post by BigBobPilot » Sat May 12, 2018 6:38 pm

Work started this morning by putting a new water pump on my coupe, so I could mive it to get the SS1 out. Then I got my self in to a needless muddle with the ECU wiring / relays. I finally worked out why the main ECU relay was playing up and drove the car out on to the drive.

Here's old and new
20180512_170512.jpg
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Or should that be old & older?

I've run it up to temp and made some further checks. Reconfigured the digi-dash to show the things I need & correct the rev counter (the ECU signal is 4 pulses per rpm rather than 1).

Mounts for paste batteries are very reasonable now, so buying something and fitting it was easier and quicker than making yet another part.
20180512_174439.jpg
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It started raining, so I had to get the SS1 & tools etc back in the garage. I thought I'd take the coupe gor a quick spin to check all is well with the new water pump & some new pipes. I thought it was all topped up & bled ok, but it got a bit hot, so I'm now in a layby in the next village, waiting for it to cool down a little, so I can top the radiator up and get back home to crack on with the SS1...
Last edited by BigBobPilot on Sat May 19, 2018 10:45 am, edited 1 time in total.


Ben

SS1 CA18DET race car in build
Latest owner of V6 coupe SRE 353G
SSSC Champion 2009, driving "Big Bob"
CSCC "Swinging 60s" race series winner in 2011, 2014 & 2015 (Group 2) sharing a Marcos with Iain Daniels

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