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Print in friendly format Send this term to a friend  Mouse Motor
GM production small block engines were known as Mouse motors.

Early SBC

4.3L 265ci - 1955 thru 1956
4.6L 283ci - 1957 thru 1962
4.9L 302ci - ...
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movnviolation Elevation sensor?
Guru Newb
Hesperia, Calif
188 Posts
Member since:
2007/12/18 0:00



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What on my 89 controls the running conditions at different elevations. My car is modded with Mini, heads, cam and headers etc.
My tuner is in the Los Angeles area and set the air/fuel ratio right on close to sea lavel. The car smokes (hauls ass) down there. I live at 3600 feet and the car runs good up here, but when it idles, it loads up and idles rough. Just changed the IAC, and the old one was covered with carbon. Looked like the inside of a chimmney.
no codes!

Any thoughts?
Thanks
Posted on: 2009/10/27 2:43
_________________
Mods
AFR 180 comp. heads w/ heavy springs. TPIS ZZ409 cam w/ 1.6 roller rockers, TPIS long tube headers, Miniram, 52mm throttle body, 24 lb Bosch injectors, Level V TPIS chip
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Aboatguy Re: Elevation sensor?
Senior Guru
My Avatar was redistributed!
498 Posts
Member since:
2007/12/3 0:00



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Quote:

movnviolation wrote:
What on my 89 controls the running conditions at different elevations. My car is modded with Mini, heads, cam and headers etc.
My tuner is in the Los Angeles area and set the air/fuel ratio right on close to sea lavel. The car smokes (hauls ass) down there. I live at 3600 feet and the car runs good up here, but when it idles, it loads up and idles rough. Just changed the IAC, and the old one was covered with carbon. Looked like the inside of a chimmney.
no codes!

Any thoughts?
Thanks
MAP sensor?
Posted on: 2009/10/27 2:45
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movnviolation Re: Elevation sensor?
Guru Newb
Hesperia, Calif
188 Posts
Member since:
2007/12/18 0:00



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Thanks
Would a failed MAP sensor throw a code??
Posted on: 2009/10/27 2:57
_________________
Mods
AFR 180 comp. heads w/ heavy springs. TPIS ZZ409 cam w/ 1.6 roller rockers, TPIS long tube headers, Miniram, 52mm throttle body, 24 lb Bosch injectors, Level V TPIS chip
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bogus Re: Elevation sensor?
Grand Imperial Pooh-Bah
San Pedro, CA
20859 Posts
Member since:
2005/9/7 0:00



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yes.
Posted on: 2009/10/27 3:00
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The single biggest problem with communication is the illusion that it has taken place. - George Bernard Shaw

Education is the best tool to overcome irrational fear. - me

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movnviolation Re: Elevation sensor?
Guru Newb
Hesperia, Calif
188 Posts
Member since:
2007/12/18 0:00



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Thanks

No codes!
Posted on: 2009/10/27 3:19
_________________
Mods
AFR 180 comp. heads w/ heavy springs. TPIS ZZ409 cam w/ 1.6 roller rockers, TPIS long tube headers, Miniram, 52mm throttle body, 24 lb Bosch injectors, Level V TPIS chip
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movnviolation Re: Elevation sensor?
Guru Newb
Hesperia, Calif
188 Posts
Member since:
2007/12/18 0:00



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No MAP sensor on the 89. 84 and 90-95 used MAP. 85-89 used MAF.
Posted on: 2009/10/27 8:07
_________________
Mods
AFR 180 comp. heads w/ heavy springs. TPIS ZZ409 cam w/ 1.6 roller rockers, TPIS long tube headers, Miniram, 52mm throttle body, 24 lb Bosch injectors, Level V TPIS chip
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mseven Re: Elevation sensor?
Senior Guru
Motor City Madhouse
247 Posts
Member since:
2005/9/17 0:00



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It needs more tuning, the AFR maybe good at wot but normal c.l. operation sounds pig rich.
Posted on: 2009/10/27 9:20
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