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Old 03-17-2005, 12:40 AM   #1
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Default Does this 0-60 seem right?

I figured about an 8.5 0-60 on my '87 stock motor stock everything, minus the cat convertor. Has the N10 muffler. Does this seem right? Or average at least?
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Old 03-17-2005, 12:43 AM   #2
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I think that would be possible. Those usually do about 9 seconds on average ... I think.
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Old 03-17-2005, 01:02 AM   #3
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yup the older generation bonnies are in the 9'*... Our older H bodies were more for torque than anything... My 95 is a diffrent animal as compared to my 91..

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Old 03-18-2005, 01:09 AM   #4
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I dunno. The 87' unless fitted with 3.33 gearing goes from 0-60mph around 10 sec. With the 3.33 9 sec is possible. My grandma had a 87' Bonny and it was snappy off the line but after 40mph it just seemed to die out. It had LOW miles. I'm talking 45K in 2002. Then in 2003 my cousins decided to tow 3000lbs with it at 72K and fried the tranny. It then went to the junkyard.
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Old 03-18-2005, 12:05 PM   #5
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Yeah those were good torque motors.... Loved them for what they were...

The 3.33 didn't come in the bonneville untill 89... Before that it was either 2.73, 2.84 or 2.97.... Depends on the bonneville she had too... If it was an LE than it may have had the 2.84 gearing... It also could have been an LE with the SE Package, I think most of the SE'* had the 2.97 ratio...

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Old 03-18-2005, 02:11 PM   #6
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I believe mine has the 2.73. I have my personal RPO code list at home, that'* where it'* written down. I don't 100% trust it though because the car has had a used transmission put in, and on the reciept it says "install used 440-t4 transmission, CUSTOMER SUPPLIED". So who knows it may not be what the stocker was.
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Old 03-18-2005, 04:21 PM   #7
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Quote:
Originally Posted by alec_b
I believe mine has the 2.73. I have my personal RPO code list at home, that'* where it'* written down. I don't 100% trust it though because the car has had a used transmission put in, and on the reciept it says "install used 440-t4 transmission, CUSTOMER SUPPLIED". So who knows it may not be what the stocker was.
Thats true... It could be anything from a 2.73-3.33 But chances ar thats its from an 87 or 88... A good majority of the 440-T4'* after 87 were a 5 pin connector...

But it could be any gear ratio....

Does the car seem more peppy than it should be? Could be a 2.97.... I loved the 2.97 trans in the 88-91 bonnies... The 3.33 was fun too, but the 3800 was not high strung like the 2.8 and 3.1'* that were attached to a 3.33 trans... I always felt that the 2.97 was the best all around gear ratio for the LG3 and LN3 engines...

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Old 03-18-2005, 09:43 PM   #8
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Well i double checked, mine originally was an RPO FP3, which is a 2.73. I know it'* got a 4 pin plug, so it'* from another '87. What is there on the trans that can tell me the final drive that it was BUILT with? I know there should be a label somewhere.
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Old 03-18-2005, 11:03 PM   #9
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do you have a tach?? what is the reading at 60 mph
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Old 03-20-2005, 11:07 PM   #10
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At 60 mine reads about 2200 RPM. Maybe a little higher.
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