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High RPM's


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8 replies to this topic

#1 verkaylak

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Posted 05 July 2004 - 02:08 PM

Hello.

I just acquired a 92 loyale SW. It has the 1800 engine with a 3 spd auto trans and AWD. When I go 55 mph the tach reads 3500 and when I go 65 the tach reads 4000 rpm. This seems to high to me. The 13" tires are correct. The trans. is shifting right. When I shift the trans. manually the trans shifts to the next gear. Any input would be greatly appreciated. Thank you.





Verkaylak

#2 Partsman

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Posted 05 July 2004 - 05:11 PM

Seems to me that's about right for AT models. Remember a thread a while back with a guy asking the same question. Any AT owners confirm/refute this?

#3 Alex C

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Posted 05 July 2004 - 08:26 PM

yea, sounds good to me, I have an 82 with an ea81 and a 3spd AT, 65mph is about 3850 rpm, and 75mph is 4500rpm.

My folks new rav-4 with the overdrive off in drive turns 3700 at 70 mph.

As long as you keep it cool and lubed it will be fine.

Many homebuilders use the ea81/82 because they can gear it down and run it at 5000rpm forever, which keeps them at their peak horsepower.


Alex

#4 MilesFox

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Posted 05 July 2004 - 08:30 PM

soobs have a short throw crank, some (dont quote me exactly) a 63mm stroke and a 92mm bore. leverage in action.

the subaru motor is happiest around 3500 rpms, its the easiest load for the motor, it may seem a high rpm, but the motor makes less effort to cruise at a higher rpm than a lower rpm.

otherwise the motor would be lugging it too much to pull an automatic. but a subaru motor really shines with a 5spd, where it can make the best of its power curve.

#5 verkaylak

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Posted 07 July 2004 - 03:56 PM

Hello. I just acquired a 92 loyale SW 1800 engine with a 3 spd auto trans. When I an going 55 mph my tach shows 3500 rpm, and when I am going 65 my tach shows 4000 rpm. This seems high to me. I have the correct 13" tires. Any suggestions would help.

Verkaylak

#6 MorganM

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Posted 07 July 2004 - 04:24 PM

Doesnt sound too unresonable to me. Road around with a kid in an EA82 GL sedan with a 3AT. Seemed to do about the same. Also seemed like a really really crappy transmission :( It worked fine but it was loud, overworked, and extra slow. You only have 3 'gears' so its going to wind that last one up till you redline :)

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#7 calebz

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Posted 07 July 2004 - 04:30 PM

Your answer is here

http://www.ultimates...ead.php?t=18472

#8 WJM

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Posted 07 July 2004 - 08:22 PM

SUBARU engines LIVE in high RPMS. The EA82 especially was deisgned for high RPMs.

I had a DL that I ran over 5500+ RPMs for 30 miles stright on the I-state...about 95-100 MPH with the 3AT....was very happy. On every other day of the week, id only ride it to 85-90...about 5k RPMs. Never had an issue.

#9 WJM

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Posted 07 July 2004 - 08:23 PM

SUBARU engines LIVE in high RPMS. The EA82 especially was deisgned for high RPMs.

I had a DL that I ran over 5500+ RPMs for 30 miles stright on the I-state...about 95-100 MPH with the 3AT....was very happy. On every other day of the week, id only ride it to 85-90...about 5k RPMs. Never had an issue.




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