XSS - V2.0 - NOVAROSSI / IRC

Questions about Hop Ups for the Savage.

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Mendoza
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Re: XSS - V2.0 - NOVAROSSI / IRC

Post by Mendoza » Thu Aug 13, 2015 4:24 am

Thanks badboy! I'll definitely take a look.

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Post by Mendoza » Sat Aug 15, 2015 2:02 am

The Buku clutch is in the house

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Post by Mendoza » Sat Aug 15, 2015 2:29 am

I've also switched to VP 30% nitro - apparently some advanced off road oil mix that is meant to have higher quality oil than the 25% and runs the engine about 40F cooler.

VP rep claimed nova racers find it's easier to tune and offers better protection despite it being only 9% oil content. I'll be posting more vid of tuning runs tomorrow using this stuff - so we will see.

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Post by NizzleMaShizzle » Sun Aug 16, 2015 12:38 am

What were you using before? I use Byron's. I like it.
[img]http://i1197.photobucket.com/albums/aa436/subyboo/Savage/SC_zpse28103b3.jpg[/img]

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Post by Mendoza » Sun Aug 16, 2015 2:50 am

VP 25% / 11%

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Post by Mendoza » Sun Aug 16, 2015 4:58 am

Ok, so here is my last attempt at using a stock Savage tank and reduce HTL before I take delivery of my truggy tanks. I noticed after a 1.5 hour session last week the plastic feeder tube in my tank melted!!! With it went the stone filter. I wasn't running lean... I put it down to how much of the exhaust line was touching the pipe and the total runtime without rest.

So I've now re-run lines well away from the engine including drilling out part of the tank moulding to run the line under it, put on a stone filter and fuel cooler. I'm going to run this set up with my last 500cc of the 25% Nitro to determine the impact of these changes.

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Post by Mendoza » Sun Aug 16, 2015 5:06 am

I also took off the flywheel and was dissapointed to find it was tight. at least I got the chance to change the collet, from steel nova to a brass one thinking it may grip better and filed the edges off the purple Alu shoes. Tightened the living day lights out of the pilot nut and cleaned up the CB. Hope I finally have a solid platform for performance tuning

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Post by NizzleMaShizzle » Sun Aug 16, 2015 1:22 pm

I never heard of that before. How the *censored* did that melt? Those lines can take some serious temps. I got lines directly touching my exhaust and they have never melted. That's some crazy stuff and definitely a first I've ever heard of. I wonder what would cause that?
[img]http://i1197.photobucket.com/albums/aa436/subyboo/Savage/SC_zpse28103b3.jpg[/img]

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Post by Squid » Sun Aug 16, 2015 3:44 pm

I've had lines melt, but only where touching the header. Since then I have always looped the lines through the shock tower.

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Post by NizzleMaShizzle » Sun Aug 16, 2015 4:38 pm

What I don't get is how the plastic in his feeder tube in his tank melted.
[img]http://i1197.photobucket.com/albums/aa436/subyboo/Savage/SC_zpse28103b3.jpg[/img]

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Post by Mendoza » Sun Aug 16, 2015 9:59 pm

Fck Nizz your guess is as good as mine! Unless this is a knock off tank, It was for a savage and came in HPI packaging ... Felt cheap and was lighter than the original tank that came with the XSS kit - eBay $9. Puzzled

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Post by rcnitroboy » Mon Aug 17, 2015 10:47 am

i also never heard  of melting lines because even if u put fire up to fuel line they don't really melt and that over 1000 degrees

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Post by MonoSavageX » Tue Aug 18, 2015 1:14 am

I've had fuel line start to melt when resting directly on the exhaust header.
Savage X LRP.32 All sorts of upgrades!!!
Savage SS Custom machined TVPs LRP.28
LOSI 5ive-T Upgraded engine/servos
Jato 3.3 Stock


If your not supposed to break them, why do they make new parts?

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Post by SiNiST3R » Fri Aug 28, 2015 1:23 pm

Love that engine, looking goooood

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Post by Mendoza » Fri Aug 28, 2015 5:19 pm

Thanks Bro... Finally some good weather so I'm running it today and hoping the tank mod and fuel cooler are winners. I'll update

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Post by Mendoza » Fri Aug 28, 2015 9:21 pm

Edit
Last edited by Mendoza on Sat Sep 05, 2015 4:37 am, edited 1 time in total.

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Post by SiNiST3R » Fri Aug 28, 2015 9:30 pm

I got better running with a long fuel line and short exhaust return line. Tuning at half tank and HTL no longer an issue.

It seemed small but made big differences. Long fuel line passed through the rear shock tower, and the return going from the pipe behing the intake right into the fuel tank. The return no longer then it has to be the fuel line long and can loop the shock tower.

Can't wait to see the finished lid, looks nice so far.

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Post by Mendoza » Sat Aug 29, 2015 2:22 am

Ok fellerz, ran the new tank set up and it's definitely better. More consistent top to bottom. Even at full tank it's responsive. Followed Jedi's advice and found tiny adjustments make a big difference on the nova. I think I have the LSN fairly close, idles down quick after WOT, but it doesn't like to idle (warm or not) at 0.5mm gap. Period.

Finding it likes it rich and as Jedi said there is a very fine balance between tuned and being off... This is one fussy fckn Italian b1tch!

I made 1/32 incremental turns and found the tune varies hugely within a particular 1/12 zone. On the rich side it pulled like a train, and I think I've now blown either the gearbox or rear diff. Something was clicking under acceleration going to strip it down tonight.

Snapped a shock shaft too ... first jump since the rebuild - landed fine just nosed down slightly to one side and annoyed at how easily it happened - big question marks on LST  shock durability. Never an issue with stock HPI's.

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Post by Mendoza » Sat Aug 29, 2015 2:39 am

Hey Sinist3r... I'm going to shorten the exhaust line and run the cooler over the top of the filter. The shorter it is the more consistent pressure it should be able to push. I've got a truggy tank that I'm going to bolt on eventually.
Last edited by Mendoza on Sat Sep 05, 2015 4:41 am, edited 1 time in total.

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Post by Mendoza » Sat Aug 29, 2015 8:38 am

Stripped it down ... Gearbox is fine. But slipper was way loose and rear diff sounds rough.

Got rid of the fuel cooler, put on thicker line and reduced length by half. I'll throw on the stock shocks tomorrow and run it again.

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