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post #1 of 13 (permalink) Old 04-30-2010, 07:42 PM Thread Starter
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Questions about the 2.7 and 3.5.

Ok can the heads on a 3.5 fi on a 2.7? Are the throttle bodys the same on both engines? Now that is said I am rebuilding a 2.7 is there anything that can be done to better the oil pressure in this engine? The heads on this engine are ready to go just waiting on the block to come back from SRS but any info with this engine or helpful hints would be great thank you. Oh yea I am not trying to beef up the 2.7 I was wondering about the heads and throttle body since they are a lot alike build wise.
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post #2 of 13 (permalink) Old 04-30-2010, 07:45 PM
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Nope, the 2.7 has a timing chain while the 3.5 has a belt. Not sure about the TB, but I doubt it, never heard of anybody doing the swap.
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post #3 of 13 (permalink) Old 04-30-2010, 07:46 PM
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Ok can the heads on a 3.5 fi on a 2.7? Are the throttle bodys the same on both engines? Now that is said I am rebuilding a 2.7 is there anything that can be done to better the oil pressure in this engine? The heads on this engine are ready to go just waiting on the block to come back from SRS but any info with this engine or helpful hints would be great thank you. Oh yea I am not trying to beef up the 2.7 I was wondering about the heads and throttle body since they are a lot alike build wise.
the 3,2L and 3.5 are similare.
the 2.7 insint close by a long shot
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post #4 of 13 (permalink) Old 04-30-2010, 08:59 PM Thread Starter
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Ok thanks people for answering those first questions. I would of rather put a 3.2 or 3.5 but I am looking at doing the rebuild within budget in mind. We did a port match and polished the ports on it. LOL i know some think it is a waste. But I have never rebuilt any engine and not did a port match atleast.
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post #5 of 13 (permalink) Old 04-30-2010, 09:01 PM
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Most people swap in 3.2/5 engines because it's cheaper than rebuilding a 2.7 engine.
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post #6 of 13 (permalink) Old 04-30-2010, 10:43 PM
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Keep us posted on your rebuild.
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post #7 of 13 (permalink) Old 05-01-2010, 03:00 AM Thread Starter
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Most people swap in 3.2/5 engines because it's cheaper than rebuilding a 2.7 engine.
Maybe true, but here is the thing I want a fresh engine in the car not a used one. Plus all the bone yard around here want 1800 for any of the good 2.7, 3.2, or 3.5's. Hell even some want a lot more than that for them kind of sucks. Like I said trying to do this under a certian dollar amount. And yep I will let you all know how it turned out.
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post #8 of 13 (permalink) Old 05-01-2010, 03:58 AM
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Maybe true, but here is the thing I want a fresh engine in the car not a used one. Plus all the bone yard around here want 1800 for any of the good 2.7, 3.2, or 3.5's. Hell even some want a lot more than that for them kind of sucks. Like I said trying to do this under a certian dollar amount. And yep I will let you all know how it turned out.
1800????!!! what ???? thats ridiculous

my local yard only wants about 200$ total if you pull it yourself.
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post #9 of 13 (permalink) Old 05-01-2010, 05:40 AM Thread Starter
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1800????!!! what ???? thats ridiculous

my local yard only wants about 200$ total if you pull it yourself.
Yea they stopped doing that letting you pull engines around here. And now everything cost out the butt. They quoted me 2200 to 2600 for 2.7 around here with 100k+ on them. Sucks I know lol.
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post #10 of 13 (permalink) Old 05-01-2010, 05:49 AM
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Yea they stopped doing that letting you pull engines around here. And now everything cost out the butt. They quoted me 2200 to 2600 for 2.7 around here with 100k+ on them. Sucks I know lol.
for that price you could almost get a whole other trep lol
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post #11 of 13 (permalink) Old 05-01-2010, 09:22 AM
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for that price you could almost get a whole other trep lol
Thats would be better for that swap anyway, but for less than that im sure you could have all the needed parts shipped, geez.
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post #12 of 13 (permalink) Old 05-03-2010, 09:23 AM
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1800????!!! what ???? thats ridiculous

my local yard only wants about 200$ total if you pull it yourself.
Biggest issue Ive ran into on those u-pull it engines, unknown mileage, many cant be ran, no warranty. It would really suck to spend all that time pulling an engine, just to get it installed and have it be a POS.

Its a hell of a savings if you can hear it run and check the mileage, but if not id rather pay 1200$ for an engine that I dont have to pull, and that is known to be good and has a warranty.
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post #13 of 13 (permalink) Old 05-05-2010, 01:46 AM Thread Starter
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Biggest issue Ive ran into on those u-pull it engines, unknown mileage, many cant be ran, no warranty. It would really suck to spend all that time pulling an engine, just to get it installed and have it be a POS.

Its a hell of a savings if you can hear it run and check the mileage, but if not id rather pay 1200$ for an engine that I dont have to pull, and that is known to be good and has a warranty.
Yea I personally would rather rebuild an engine than drop a used one in. One it is fresh and two you know how it was put together and what is in it.
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