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post #1 of 12 (permalink) Old 10-12-04, 01:05 AM Thread Starter
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Best Way To Run In A Boss 260

Hi Guys I Should Be Getting My Xr8 Mkii Ute Next Week And I Was Wondering What Is The Best Way To Run Them In

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post #2 of 12 (permalink) Old 10-12-04, 01:34 AM
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Re: Best Way To Run In A Boss 260

I didn't rev mine to the limiter for the first 1000km. But drove it hard from the start! Fuel ecomony gauge read 18l/100km for a long time. Didn't really loosen up till 4000km mark. Drive it like you hate it! Worked for me!
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post #3 of 12 (permalink) Old 10-12-04, 04:43 AM
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Re: Best Way To Run In A Boss 260

Like TS50 said, don't hit the rev limiter till at least 1000-1500, dont do burnouts or anything like that in it, let everything bed in.
But one thing is dont baby it, give a squirt here and there, without abusing it.
This is how i ran in my xr8 ute and its running sweet as 11,000km's.
My fuel average read 26/100km for the first week, then reset it and settled to 20/100km now sits around 19-20 most of the time.

2004 BA XR8 UTE,Blueprint,18's,5 Speed Manual.
BOSS 260 - Can't Get Enough Of This.
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post #4 of 12 (permalink) Old 10-12-04, 03:21 PM
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Re: Best Way To Run In A Boss 260

Drive it like you're wearing slippers and a cardigan until it warms up to just over 1/4 on the dial for mine, then you should be right give it some while you are moving.. i.e. no harsh launches from a standing start until after 1500kms.

I would also suggest NOT using cruise control for say the 1st 1500 kms unless you vary the speed by 5kms/h every 5-10kms or so.

This is also how I ran mine in and it seems to be running along very nicely with 16,000kms under it's belt.

Steve
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post #5 of 12 (permalink) Old 10-12-04, 07:27 PM
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Re: Best Way To Run In A Boss 260

Iíve heard that idling will kill it (glaze the bores). What you should do is pick it up on Friday night load the family up and take them for a holiday on the weekend. Do a 1000km of normal driving (under load) then drop it off at the dealer on Monday morning for the changeover oil, adjusting clearances, etc. Donít thrash it when cold.
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post #6 of 12 (permalink) Old 10-12-04, 09:08 PM
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Re: Best Way To Run In A Boss 260

All the advice here is good advice.
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post #7 of 12 (permalink) Old 10-12-04, 09:58 PM
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Re: Best Way To Run In A Boss 260

When my mate's dad bought a V8 AU ute (ok, so it's not a 5.4) a couple of years back, he ran it in by driving from Gippsland to the Gulf of Carpentaria & back within a week! I'll bet that ute didn't know what hit it as soon as it left the dealer's lot.

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post #8 of 12 (permalink) Old 10-22-04, 03:32 AM
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Re: Best Way To Run In A Boss 260

Quote:
Originally Posted by tufesp351
Hi Guys I Should Be Getting My Xr8 Mkii Ute Next Week And I Was Wondering What Is The Best Way To Run Them In
Drive it like you stole it, we picked our BA XR8 ute up, drove it 600 km home and it went straight on the dyno with 700 km on the clock, it now has just over 9000 km on it with 96 dyno runs, only used 1/2 ltr of oil the first 7000 km
and hasn't used any since. Give it a flogging but as the other guys said don't hit the limiter until around 1500 km.
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post #9 of 12 (permalink) Old 10-22-04, 06:52 PM
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Re: Best Way To Run In A Boss 260

Its important to run the engine throughout its entire range when ur running it in. (this includes redline speeds, but by no means immediately or often).
This is because as you increase the revs, the distance the piston travels up the cylinder increases ever so slightly- the conrod stretches elastically...moreso at higher rpms. If you never get the engine into higher speeds while running in, some time that you need to in the future, you may damage the rings or pistons (or both) because there will be a difference in bore diameter at the top of the cylinder. This sudden change in diameter could cause all sorts of chipping or scratching of pistons/rings and ultimately will reduce engine life....so it will increase engine life later if you really give it some every once in a while during the run in.

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post #10 of 12 (permalink) Old 10-23-04, 05:38 PM
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Re: Best Way To Run In A Boss 260

Quote:
Originally Posted by tufesp351
Hi Guys I Should Be Getting My Xr8 Mkii Ute Next Week And I Was Wondering What Is The Best Way To Run Them In

I was told by ford to give mine shit.I was a bit iffy about the whole thing but it has alwas been strong and had no problems.Used a bit of oil in the first 1500 then never realy used another drop to this day now at nearly 22000.
Its now had bolt on mods and still going strong.
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