pyrometer
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Joined: Oct 2005
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From: Powell River B.C.
You don't need one, but my 93 at stock settings will push out 1000 pulling up hill, so if you want to be safe, better put one in if you turn up the fuel so you don't exceed 1250, (melting temp of aluminum pistons).
Senior User
Joined: Nov 2004
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If you have not improved your intake and exhaust why do you want to turn up the pump? But the answer to your question is yes, a pyro is needed to monitor your exhaust temp's. also the placement is important to what the max temp you run.
Post Fiend
Joined: Nov 2003
Posts: 21,285
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From: Nutter Fort, WV
With a stock intake and exhaust system, all you will probably get is more black smoke and lower fuel mileage.
You need to open up the exhaust and intake to get more air into the engine to make more power with the extra fuel.
You need to open up the exhaust and intake to get more air into the engine to make more power with the extra fuel.
Posting Guru
Joined: Aug 2006
Posts: 2,175
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From: Kent WA
Originally Posted by Dave Sponaugle
With a stock intake and exhaust system, all you will probably get is more black smoke and lower fuel mileage.
You need to open up the exhaust and intake to get more air into the engine to make more power with the extra fuel.
You need to open up the exhaust and intake to get more air into the engine to make more power with the extra fuel.
BUT, if you get more air in via a modified intake (so that you can actually BURN that extra fuel you get from turning up the pump), and if you give that burned fuel somewhere to go (via a better exhaust), then things WILL heat up. With the heat of the extra burned fuel you'd better be able to keep an eye on those EGTs or you just might melt your pistons......
Posting Guru
Joined: Aug 2006
Posts: 2,175
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From: Kent WA
With nothing more than a custom Y-pipe to 3" exhaust with a free flowing muffler, DUAL ram-air intakes, and the IP turned up just 1 flat, my EGTs will get above 1200 in about 15 seconds when I'm hauling a 6k-7k load uphill and start putting my foot in it....
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Senior User
Joined: Jan 2007
Posts: 175
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this a good spot to post some pics.my buddys 89 had a 5in exaust and a 4in ram air.140,000 oridg. miles.ats turbo.he thought he could turn up the Ip all 6 flats just couse he has a turbo.long story short the motor lasted a week.we just got it ppulled out this week with plans to tear it down and take a look at the damage.he glanced at the pyro it was peged and befor he could down shift and unload the motor she gave out.its no a pritty sound when those pistons go at 65mph.the oil pan looked like it was shot with a shotgun several times
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