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420R Build in Washington


SeattleTR

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Thanks, I went back to it yesterday and made more progress (Diff, steering column, air box) and managed to get a couple routed well. What I’m fighting is now the routing for the line from the rear of the sump to the bottom of the tank, I’ve tried to copy some of the blogs I see but if I route it by the skin of the car the line is too short and the line kinks or keeping it inside the frame has it rubbing the alternator and belt.

 

Here’s a quick picture of the progress (excuse the headlights, some new LEDs should arrive today).

 

 

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5 hours ago, SeattleTR said:

I’ve tried to copy some of the blogs I see but if I route it by the skin of the car the line is too short and the line kinks or keeping it inside the frame has it rubbing the alternator and belt.

 

Routing it between the chassis tube and side skin is specific to the S3.  It is a fiddly fit on the SV - I remember a lot of swearing when I did mine -- but it will fit without rubbing.  If no one has a picture, I'll see if I can take one later.  

 

-John

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Here are two hastily taken photos to supplement those provided by Wallisek.  For reference, the first photo was taken with the phone on the ground looking up at the bottom of the chassis.  The top of the photo corresponds to the front of the car.  The second photo shows that same hose from above.  Although it doesn't look like it in the photos, there is clearance to the chassis tube.

 

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Don't let the white plastic bottle at the bottom of each photo confuse you.  I mounted my windscreen washer bottle there to get it out of the way.

 

-John

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Ok overall a pretty good day - getting pretty close to mechanically complete - connected the prop shaft bolts, full exhaust, accelerator cable and started on the de dion tube, and time spent hunting for parts (and a run to Napa). After some more swearing I think I've gotten the final dry sump line locked in a position that won't hit the belt and alternator but it really seems like it is slight too short. Hoping to complete the rear end tomorrow.

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1 hour ago, SeattleTR said:

Ha, the next time I'm getting rid of a sweat shirt I'll prep them for winter...

It's to protect them from getting scratched.

Yes, sweat shirt sleeves work well.

Edited by IamScotticus
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15 hours ago, IamScotticus said:

It's to protect them from getting scratched.

Yes, sweat shirt sleeves work well.

Ha, my brain was off getting headlight fluid :)

 

More progress, but some issues with the radius arms both sides are rubbing against the frame/side of the car - this doesn't seem right to me, anyone faced this before? There is a lot of lateral pressure on both sides (I really had to pull on the dedion tube to even get the second one in.

 

edit: looks like it is an S3 dedion tube  😐

 

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Edited by SeattleTR
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42 minutes ago, SeattleTR said:

edit: looks like it is an S3 dedion tube  😐

 

:banghead:   

 

Curious to know how long it will take them to sort that "minor" mistake.

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Well despise the fact that there isn't a rear end on the car - the rest of the week went well, the engine fired up and is running nicely.... damn immobilizer needs to be close! The interior is essentially done (had to install the seat heat switches by drilling through the tunnel cover), carpets and seatbelts are in, the passenger seat is in as I don't have the bolts for the driver seat - easy trip to the hw store later to get M8 bolts for it. I was able to bleed the clutch and I somewhat bled the front brakes, remember I don't have a rear de dion tube - I tried to cap the rear brake line but it started dripping brake fluid so I stopped. On my car Caterham seems to have moved to a single reservoir for brake/clutch fluid. A little bit of a leak of coolant on the small line off of the tank (my kit didn't come with a hose for that and the one I got is a little too big - off to get 5/16" later too). 

 

Getting there! I'll send some pictures tomorrow

 

 

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  • 1 month later...

Well the replacement de Dion came and that’s now installed with the a frame and rear springs, anti roll and drive shaft. I took the time to also order the flexible brake lines so I installed those. only to discover that the OD of the bearings are bigger than the ID for the housing. Anyone know if there are multiple specs for these parts?

 

Hope everyone is having a nice summer.

 

 

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It would have been disappointing if it was smooth sailing all the way through! It does look there are racing spec parts, I think I have the non-R housing, so I guess I’ll be trying to swap these out. 

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