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high mile motors???

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Old Mar 28, 2003 | 03:14 PM
  #1  
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Default high mile motors???

what are you all take on high mileage car, say 100k and more? i have found a few 98 Z28 cars for under $8k with 100K + miles on them and want to know if they are going to be more trouble than they are worth. i dont plan on keeping it stock any longer than i have too. i am looking to go the heads cam intake route with an auto tranny and TCI 3500 stall. would it be best to pull the motor and freshen it when the heads and cam go on, or just leave it alone and go till it blows?
<img border="0" title="" alt="[Eek!]" src="gr_eek2.gif" /> <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />

<small>[ March 28, 2003, 03:16 PM: Message edited by: wickedred ]</small>
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Old Mar 28, 2003 | 03:33 PM
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Default Re: high mile motors???

its a 120k mile car. it looks runs drives and shifts 100% okay. but what about modding a car with 120k miles?
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Old Mar 28, 2003 | 03:42 PM
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Default Re: high mile motors???

I'm sure that there are a fair number of people on this baord that are going to be ripping apart the bottom end of their motor soon and replacing with fully forged pieces, possibly larger displacement (myself included). Having a motor that has 120k on it wouldn't matter if that's your plan. If you're looking to go small, put on H/C, blower and or nitrous and all the bolt ons and live with it for a couple of years, then yeah that seems a bit high.

LOL, I called H/C/FI and all the boltons small...I'm sick. <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />
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Old Mar 28, 2003 | 03:53 PM
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Default Re: high mile motors???

You should be okay doing it. People have done this many times on lt1 and L98 motors and the ls1 seems to be living just as long.
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Old Mar 28, 2003 | 04:09 PM
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Default Re: high mile motors???

Buy it and replace the engine with the 6.0l engine.

Seriously, if the car feels solid and well maintained it should be ok. With the money you save you could almost pay a shop to do a forged rebuild with heads and cam.
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Old Mar 28, 2003 | 07:01 PM
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Default Re: high mile motors???

i am planning on a 382 all bore in the future. i was gonna put H/C intake on it and drive it for a yaer or so or until it blows up. <img border="0" alt="[bomb]" title="" src="graemlins/gr_bomb.gif" /> i just wondered if the higher mileage cheaper cars are the way to go if you are planning a bunch of mods anyway... <img border="0" alt="[burn out]" title="" src="graemlins/gr_burnout.gif" />
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Old Mar 28, 2003 | 08:04 PM
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From: Wichita, KS - 1400' above sea level ;-)
Default Re: high mile motors???

I bought a '99 B4C cop car for $7300 with 112K on it. Its got 118K now, doesn't use or burn a DROP of oil, and it is ONE FAST MO FO...I'll throw a lid and cutout on it and get times later in the spring but I KNOW its faster than the TA was stock.
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Old Mar 28, 2003 | 08:13 PM
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Default Re: high mile motors???

i hit 123k miles racing a street bike last night on the freeway, spraying a 100 tnt shot on top of my heads and cam. stock bottem end
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Default Re: high mile motors???

I put the cam in the vette with 78K on it, heads on with 80K on it. Stock lifters still in it. Inside of the engine looks great, uses around a quart every 3000 miles with some serious beating, uses no almost no oil regular driving. Original trans and fluid (except the fluid replaced with the converter swap at 76K) with a vig 3000 and the car shifts great after dozens of 1.62-1.72 60' passes.

387rwhp on a A4 C5 is pretty good with a small cam, its amazing how these LS1s hold up..
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