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   All Posts (mcgee)


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Re: Car paint Is Rough not smooth
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That's a relief, just an artefact of the image.
I would work on the boot only (if you stuff it easier to respray) and cut it back first to see how it goes.
I put on maybe 4 coats plus on mine.
When cutting if you rub through to the base coat there is no saving that section and it will have to be resprayed, so be careful.
wet sanding, cutting and polishing will be the only way to save what you have and get a shine.
Best of luck

Posted on: 2015/11/9 11:19
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Re: Car paint Is Rough not smooth
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Top picture looks like the clear went on too dry or dryed before it hit the surface (Gun too far away), change in color half way over not good.
How many clear coats did you put on?
Is the bottom image where you have sanded it or just added water. Looks to me like the clear has peeled off in that second picture. If so something has gone wrong (hopefully not 2K clear on 1K base issue). Sanding cured paint shouldn't do that.

Posted on: 2015/11/9 5:53
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Re: 3J Improved Production coupe- Racing Videos & Progress
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At this stage I would like to run it open like that.
But have the option to revert to spoiler and/or modify the spoiler to fit around it.
The proposition of making the front nearly 100mm lower (Can't do that with the spoiler) lowers the CoG substantially and lowers the front static roll centre is pretty attractive.
Will see how it runs like that first.

Posted on: 2015/11/9 0:07
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Re: 3J Improved Production coupe- Racing Videos & Progress
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few little updates.
made some new brake cooling inlets.
not as good looking as the big front spoiler. but lighter, easier to replace, can get it on and off the trailer and can lower the front by nearly 100mm.
Added a boost trim switch which will help with wet/drying track.
took it for a bit of a drive today, everything seemed OK. a couple of small oil leaks easy to fix.
Both front discs are really badly crazed/cracked so will have to upgrade those before hitting the track at speed.
The RDA rotors don't seem to like the heat, will upgrade to DBA 4000 series rotors.
Getting close to getting in the dyno now. looking forward to the results.
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Posted on: 2015/11/8 8:16
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Re: Car paint Is Rough not smooth
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what type of paint did you use 2K or acrylic?
Did you put a clear coat on it? If so it will need a colour sand, then cut and polish. As below fine grit paper first (Wet sand - 2000grit about right, make sure it is done wet though). Don't rub through the clear coat (if you do you will see the sand paper turn the base colour (clearcoat sands white), this is bad). After you wet sand then use a cut and polish.
I used (Acrylic paint) Autoglem 04B for the cut and super resin polish to finish. I did this with a buffing wheel (Big arse angle grinder with a polishing pad, variable speed, you need to keep the heat down so pretty slow speed). Be careful with the buffing wheel it cuts quickly. Be super carful on panel edges and any large change in contour it will catch (Taping the edges to stop this is sometimes a good idea).
Hope that helps, have a look at my build thread, in some early pages you can see the finish I got.

Enjoy.

Bryan

Posted on: 2015/10/14 10:13
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Re: 3J Improved Production coupe- Racing Videos & Progress
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I'll let you know when I get it out of the garage and on the track/dyno

Posted on: 2015/9/29 2:03
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Re: 3J Improved Production coupe- Racing Videos & Progress
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well all finished today...sort of.
Engine is running which is good. Still have some wiring changes to make and off to the dyno.
Can't see the timing marks on the new balance so will have to sort that out before the tune.
One injector was stuck. A little compressed air helped dislodge it.
A couple of oil lines needed tightening else no leaks which is always good.
With the 15W run-in oil, oil pressure was in the 70s during idle.
No weird noises to overall ecstatic.
List of work on this rebuild is pretty long. For those that are interested list is below.

Engine:
Machining
Crank re-ground and polished
Hone/bore/Deck block
Head rebuild - New valve guides and two valves replaced.
Valves and seats reground.
Custom CP high compression Pistons
Rod small end bushes replaced.
ACL race bearing (Big and mains)
New gaskets Cometic kit and head
Engine "blueprinted"
New oil pump, water pump.
Winged and gates sump (engine now 5Ltr capacity)
Adjustable cam gears
Exhaust to inlet cam swap
KA24 throttle body installed
Custom steampipe exhaust manifold
Custom dump pipe (large wastegate dump)
Manifold and dump pipe heat wrapped
Added flex pipe and another hanger on the exhaust
Turbo water and oil lines replaced (Speedflow 100 series water and 200 series oil - I should have shares in that company)

All fuel flex lines replaced with 200 series Teflon
Bonnet pin mounts re-enforced (noticed bonnet lifting at high speed)
Air box modified
Added EGT sensor
Added Boost trim switch
Kaaz LSD installed

And after all that I still use a piece of aluminium to hold up the bonnet :)

I'll keep you posted with the dyno run (I'll take the GoPro)

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Unsure if the video will work, it was taken using my phone.

http://vid247.photobucket.com/albums/gg139/Xmcgee/VID_20150928_173305_zpsrztullxq.mp4

Posted on: 2015/9/28 11:49
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Re: 3J Improved Production coupe- Racing Videos & Progress
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its starting to look like a car again.
Nearly finished.
dump pipe is done, turbo lines are re-routed and installed.
Have a couple of fuel lines to upgrade to Teflon and a couple of sensors to move around (added an Exhaust temp sensor and a multi position switch for boost control).
Been a big job and a heap of little changes.

Dump pipe finished. Wastegate side significantly increased in size. divider installed

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Exhaust with flex pipe
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EGT sensor boss
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Hot side all finished
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Turbo water fitting welded a -6 fitting to the end of the pipe for ease of install/removal. mess of wires down this side
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New turbo position changed the airbox inlet.
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As I left it last night, nearly finished.
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Posted on: 2015/9/28 1:32
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Re: 3J Improved Production coupe- Racing Videos & Progress
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So it did end up being something on the valve seat holding it open. Fixed now so not too much time lost.
CAs do oil the head too much which is why I had the drain installed into the head. The block restrictors work pretty well from what I have heard.
As for the rods/pistons. The pistons are custom cp. Rods are spool. The spool rod small ends are not supplied finished and need to be machined to fit the pins. My new pins are upgrade cp versions. These are thicker then standard.

Posted on: 2015/9/13 11:08

Edited by mcgee on 2015/9/14 7:43:22
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Re: 3J Improved Production coupe- Racing Videos & Progress
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OK bit of an updated. The lifters are fine. They do bleed down so the above diatribe isn't worth the worry. The valve is slight longer but should have still sealed. I suspect there is a problem with the seat.
Good guide above to clean the lifters. Leak check with inlet cam out still showed the same problem. Leaking through no. 1 cylinder inlet valves. So unfortunately head has to come off and be fixed. Before I do that I wanted to finish the exhaust. Added the flex pipe and new bracket. Ready to finish the dump pipe tomorrow.

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Posted on: 2015/9/12 12:41
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