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Its been a long year.....

Rob the Red Top

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Spent last month £950 so far this month £240 on dyno time, but a new dif arriving Sunday so going to go up a bit..... March is going to be painful with change of pistons, hone and new bottom end (just to be safe) oh and the gearbox refresh and some seals replacing..

 

Well its been a long year of Westfield ownership and I feel I have come a long way with my first rebuild since 1984 (which was a Mini).

I started with a tatty but sound Westfield that I intended just using on track.. Butt as they say best laid plans and all that- and so it began.

 

I had it set up on the dyno and sorted the Geo out and all was well for my first track day at Blyton. Was a bit disappointed with 176bhp but my feeling was the exhaust was too restrictive,  but I still had a good day even though it was way to over geared; I didn't touch 5th once. Still managed to gel with the car and to my surprise I pretty much cleaned up and wasn't passed once the track dried out...

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I had a second event at Donnington (after removing the windbreak and fitting a double bubble Aero screen). And it was still suffering from over gearing and 5th wasn't touched.. Still managed a sub 1.30 lap with a passenger so I wasn't that unhappy.42969634172_7150ca5649_k.thumb.jpg.5ba62d33b7aec4b9334fd6098d0eba0b.jpg

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This engine just popped up and I couldn't resist it... If only I had known what I was letting myself in for…

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but after hours of fettling and swearing I did eventually make progress and thought the work was completed... Spent half a day at Northampton Motor sport and try did his thing... The new engine only produced 209bhp with the ram air on and 215 with it off.. He did suggest with the way we strapped it down and with the low tyre pressures it was closer to 220/25bhp.It was so much better, and it took some setting up.. I did change the dif from a 3.9 to a 4.7 and stuck a Type 9 SC gearbox in to cope with the extra power.. Didn't realise how much work this was going to be... More fabricating...

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I decided to work on the body in line with my plan, and when that was completed sort the missing power issue out...

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Bodywork was sorted and professionally painted, new seats, scuttle place, pedal box, battery and box...Modified the prop tunnel and had to move the gear lever back 6 inches to clear the dash.. I fitted 13 after deciding I didn't want to stay with 15s...

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So we stripped the head off so it could be ported and the new cams fitted... What we did discover was the ports had been polished but very little else had been done and they were at 23.5mm. it also transpired that some of the exhaust valves were leaking and two were very slightly bent.. We replaced the valves, ported the head correctly and re seated all the valves etc... We also discovered that the ITB's where out of line and this was also rectified as this wouldn't have helped with the mapping..... Should all be good to go on the dyno on 4th of Feb..

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1 hour ago, NickBW said:

Great read... thanks

Thanks... Its been hard work, but almost there with the big stuff...

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Great work Rob, which will pay dividends when you get it out on the road and track.

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10 hours ago, Chris Broster - Bristol & Bath AO said:

just a quick question, how is the digidash connected?

Chris, Depends what type of digidash - my ETB Digidash uses similar sensors to the analogue gauges but some of the more sophisticated ones use CAN bus or ODBII although is some cases there are adapter to allow the use of standard sensors.ETB digital sensors

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Cheers JJ, interesting that it comes with sensors. I was about to buy an oil temp sensor to replace sump plug but might hold off. New Digital Dash Display will be next winters project!

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On ‎07‎/‎02‎/‎2019 at 07:52, Chris Broster - Bristol & Bath AO said:

just a quick question, how is the digidash connected?

Its connected via a lead to the dash and then into a box on the gearbox tunnel... To be honest I'm going to invest (I use the word invest loosely) in a stack system or similar. 

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Well so much for the job being almost over.. It seems I have the wrong pistons and they need to be changed as the compression ratio is too low for the cams... So time to bite the bullet and have the whole bottom end rebuilt with new Omega Pistons and re bore as well as changing all the shells etc... Seem to have a small leak form the gearbox main shaft so that's getting sorted along with a new 4.1 dif as the 4.7 is too low for my requirements.. Might as well replace the half shaft seals while I'm at it ...

 

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3 hours ago, Rob the Red Top said:

Amazing how much better she looks with a bit of a polish...

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Looks stunning in that colour!

You've been very busy.

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Just now, Westfield Parts Dept said:

Looks stunning in that colour!

You've been very busy.

Its been a slog, but I'm getting there...

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Remover the radiator yesterday and to my horror I discover it weighs about 15kg.. New lightweight one ordered. On a positive note the scrap value is quite high:d:d...

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