eke_zetec_RWD's lotus replica

[eke_zetec_RWD]

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New flywheel and twin plate tilton installed.

I had issues with the head lifting so I striped the motor down and did some mods to the head. Had it back on dyno and its a good 20hp to 30hp up over the whole rev range. So that's good, no lifting either.

Next race is weekend before Xmas at manfeild.

[eke_zetec_RWD]

dyno graph above is before and after head mods.

Iv never seen this done before, but it worked in my head so I did it.
Partly Welded up the water port holes close to firing ring to give the head extra strength here, then I cnc
Machined the face, but I put a slight step to increase the clamping force on the gasket around the cylinder, look closely at the last pic.

[eke_zetec_RWD]

Iv been pretty busy after work this week as you can see!

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[eke_zetec_RWD]

Back on the dyno today with the new radiator and intercooler, it works.

 

Did 6 9second runs in a row from 1600-7600rpm

 

It levels out at 50 deg iat. 

 

Old set up could get up to over 90deg!

 

while it made no more power its alot safer which was the main focus.

 

While i was there i played with the cam timing a bit.

 

advancing the inlet 3 deg gave about 6-10hp everywhere

another 2 deg it lost the extra power down low so i put it back.

 

i moved the exhaust 2 deg either way and it lost power both ways.

 

Basically it holds on a bit longer up top and doesent fall over untill about 7300rpm.

 

Now i just need to find some events to use it!

[eke_zetec_RWD]

Sooooo, been a busy past couple months but been chipping away at this.

 

Since I made some big dog radiators for it the nose cone failed to fit anymore.

But in true race car you must modify everything with no allowance for body work and then make the body fit.

 

So i ended up cutting the nose cone in half horizontally and adding in about 80mm to lower the chin.

Then i fixed all tthe cracks from the crash i had a few years ago, then bogged and sanded then bogged and sanded then bogged and sanded then bogged and sanded then bogged and sanded then bogged and sanded then bogged and sanded then bogged and sanded then bogged and sanded then bogged and sanded then bogged and sanded then bogged and sanded then bogged and sanded then bogged and sanded then bogged and sanded untill it was correct and back to where i wanted it.

 

Then I primed it and wet and dried it, Then I primed it and wet and dried it again.

 

Then i waxed it

then i painted it with tooling coat

then i fibreglassed over that to make a mould.

 

Then finally today i got to actually make a finished product from it! Its come out pretty good. So i might just run it as is for now. Looks quite cool in white i think.