G35 Coupe V35 2003 - 07 Discussion about the 1st Generation V35 G35 Coupe

Do engines lose power over time?

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Old Jun 11, 2012 | 12:47 AM
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Do engines lose power over time?

Just wondering.. do engines lose horses over time? Like my 05 IP coupe g35... how many horses has it lost? lol 82k miles with K&N intake.

Off topic: In a straight line drag race, hypothetically speaking.. A lancer evo would beat a g35 due to AWD factor and power to weight ratio?
EDIT: I got my answer on the evo. But still want one for the main topic
 

Last edited by Plam; Jun 11, 2012 at 12:53 AM.
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Old Jun 11, 2012 | 01:22 AM
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Yes they do loose power over time.
 
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Old Jun 11, 2012 | 02:37 PM
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Yes, engines will lose power over time as they accumulate sludge, carbon buildup, and general wear and tear on the moving parts.

However, a properly maintained motor will see a lot less power loss as the miles rack up. If you keep fluids topped off and changed at regular intervals, and keep the motor tuned up, a car will last pretty much as long as you want it to.

My 5AT G coupe with 230k on the clock has been cared for by both myself and the PO. I can still give a Mustang GT a run for its money in the 1/4 mile.
 
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Old Jun 11, 2012 | 06:08 PM
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Originally Posted by Mr. Brett
Yes, engines will lose power over time as they accumulate sludge, carbon buildup, and general wear and tear on the moving parts.

However, a properly maintained motor will see a lot less power loss as the miles rack up. If you keep fluids topped off and changed at regular intervals, and keep the motor tuned up, a car will last pretty much as long as you want it to.

My 5AT G coupe with 230k on the clock has been cared for by both myself and the PO. I can still give a Mustang GT a run for its money in the 1/4 mile.
wooo! props to maintaining your G at 230k on the clock!!
 
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Old Jun 11, 2012 | 06:12 PM
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Originally Posted by Mr. Brett
Yes, engines will lose power over time as they accumulate sludge, carbon buildup, and general wear and tear on the moving parts.

However, a properly maintained motor will see a lot less power loss as the miles rack up. If you keep fluids topped off and changed at regular intervals, and keep the motor tuned up, a car will last pretty much as long as you want it to.

My 5AT G coupe with 230k on the clock has been cared for by both myself and the PO. I can still give a Mustang GT a run for its money in the 1/4 mile.
+1

An engine that has been maintained and cared for will last a very very long time.
 
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Old Jun 11, 2012 | 11:52 PM
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Is there anyway I can bring my car back to its original power? lol
 
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Old Jun 12, 2012 | 01:00 AM
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Engine rebuild? Lol. Pricey but itll clean everything out and while your in there you could build everything up
 
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Old Jun 12, 2012 | 01:48 AM
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Engines gain power over time because the build up of carbon on the pistons will increase the compression ratio resulting in higher horsepower.

Not srs
 
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Old Jun 12, 2012 | 01:48 AM
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Originally Posted by Plam
Is there anyway I can bring my car back to its original power? lol



LOL... There are no quick-fix ways to restore power to a tired motor. The way to restore power is to rebuild the motor and either sleeve the block or do a slight overbore with new pistons and rings and make sure everything with the valve-train is in spec with no compression leaks.
 
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Old Jun 12, 2012 | 02:11 AM
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Originally Posted by Plam
Is there anyway I can bring my car back to its original power? lol
Rebuild would be the way, just a little pricey.
 
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Old Jun 12, 2012 | 11:09 AM
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Rebuild or swap in a motor with lower miles.

You can get a few ponies back by putting in new spark plugs, SeaFoaming the motor, etc. But it's not going to be anything to write home about.
 
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Old Jun 13, 2012 | 01:23 PM
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yes they lose power
 
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Old Jun 13, 2012 | 09:58 PM
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i do not think the power loss is significant on modern engines but i have no evidence to back that up.
 
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