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Old 06-30-2005, 11:10 PM   #1
porscharu
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Default newby with strange ej25 problem

hello, my name is scott, i will tell you my story then the problem. i knwo this is a legacy forum but the motor is from a legacy so it does fit here some what

first off i have a 75 porsche 914, that i stuck in a 98 ej25 na motor. the 914 was a aircooled car that i put the radiator in the engine bay in front of the motor. the car is a mid engine car so the radiator is in the middle of the car. i kept the stock obd2 ecu and wiring, the wiring was trimmed down to fit and elimanate all the wiring i did not need. the car basicly runs with out any major trouble codes. i also flipped the intake around to fit the engine bay better, when i flipped the intake i had to relocate the alt to where the ac pump was.

the problem i am having is nuts, the alt died on me, it charges but after a few mins of driving it starts to lock up for a split second every second. this stopping makes the car feel like it is going to shake apart. so today i picked up a junk yard alt, and when i installed it, it runs like crap. if i disconnect the wire for the alt light on the dash, which also works with the exciter in the alt it runs fine, but only on the battery. do i try a third alt

TIA

scott
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Old 07-01-2005, 12:39 PM   #2
98_soobie
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mmm.... is everything lined up perfectly... maybe you need a new alt... not a used one... just an idea
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Old 07-01-2005, 12:54 PM   #3
iamrazor
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Quote:
Originally Posted by porscharu
i flipped the intake i had to relocate the alt to where the ac pump was.
scott
do you mean the intake piping? I hope you don't mean the manifold. I'd second the idea that the alt. is not lined up correctly. I'd put it back and re-route the intake piping.
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Old 07-01-2005, 06:42 PM   #4
porscharu
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yes i do mean the intake manifold, i had to disconnect and reloacte a few items like the egr, the IAC , etc]

the alt is still on the stock bracket it is just rotated 180 degrees into the ac location, it is just up side down. the stock bracket just needed 2 cuts to get it to fit, then i made a support off of the old ac mounting holes to hold the other side of the alt up.

i have pics but cant post a link or pics here

scott
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Old 07-01-2005, 07:54 PM   #5
jey
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Have you posted this problem in the Conversions forum? There are some other people w/ Porsche conversions there that might have the expertise to help you out.
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Old 07-01-2005, 07:58 PM   #6
porscharu
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Quote:
Originally Posted by jey
Have you posted this problem in the Conversions forum? There are some other people w/ Porsche conversions there that might have the expertise to help you out.
idid not know there was one but this is not really a conversion problem it is an alt problem but i will go there too

scott
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