Can I use a 87-91 525i ecu for my 88 325i
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"Eta" to "I" Head swap questions
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Originally posted by kid325e View PostI'm building one right now for my track car. I have everything I need to get it all back together but decided to hold off untill I can afford a 272/274 Cam and HD Valvesprings, as well as some Headwork. Really feel like those extra things will REALLY make this setup shine.
The Cam and Springs alone are looking to be around 550-800. So just getting ready to jump off that cliff here soon. Fun fun fun.
Originally posted by kid325e View PostDoes his head come with a cam?
Originally posted by Quinn Sivaivai View PostCan I use a 87-91 525i ecu for my 88 325i
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Yet another question.
I was thinking of running I.E. Headers and was thinking of just running two pipes all the way back. I was talking about it with a friend, he said I would need to run an x or a y pipe at one point. Something about equalizing pressure or something.
Would I actually need to do something like that?'87 325e 2.7i/5spd
'02 Subaru outback (Still smells like dirty hippie)
'86 635csi (Sold)
'87 4KcsQT (Sold)
'84 318i (Sold)
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Originally posted by JasonBates View PostYet another question.
I was thinking of running I.E. Headers and was thinking of just running two pipes all the way back. I was talking about it with a friend, he said I would need to run an x or a y pipe at one point. Something about equalizing pressure or something.
Would I actually need to do something like that?89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...
new build thread http://www.r3vlimited.com/board/showthread.php?t=317505
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So, just run an x-pipe from the headers to resonators, then straight out?
Or
Y-pipe to a resonator to y-pipe and out the back.
Or
Should I run a muffler at the end of either one of those?'87 325e 2.7i/5spd
'02 Subaru outback (Still smells like dirty hippie)
'86 635csi (Sold)
'87 4KcsQT (Sold)
'84 318i (Sold)
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I'm forced to do this this weekend. I cracked my head and have a complete m20b25 conplete with a bad rid bearing in my garage so I think I have all the parts(even the cluster) my question is: do I need different radiator hoses and are b25 water pump different from the b27 I'm gonna go buy gaskets,head studs, water pump and timing belt Tomorow. I just don't want to buy the wrong parts
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Originally posted by Pdxseth View PostI'm forced to do this this weekend. I cracked my head and have a complete m20b25 conplete with a bad rid bearing in my garage so I think I have all the parts(even the cluster) my question is: do I need different radiator hoses and are b25 water pump different from the b27 I'm gonna go buy gaskets,head studs, water pump and timing belt Tomorow. I just don't want to buy the wrong parts
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Originally posted by Pdxseth View PostSo either water pump will work I just have to use the pulley off the late model b25
If you're running the early radiator and hoses get the 87 and older pump.
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More questions
I have more questions.
I just got an 'i' cluster from a just yard out of what I think was an 89, my question is, will this one work for the swap as a bolt in cluster?
And is there any way to test it outside of the car to make sure everything works in it?
This is more of a trans question, but if I plan on running an AKG shifter or some other short shifter, what all would I need to pull form a parts car?'87 325e 2.7i/5spd
'02 Subaru outback (Still smells like dirty hippie)
'86 635csi (Sold)
'87 4KcsQT (Sold)
'84 318i (Sold)
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Originally posted by MR 325 View PostNO. The water pump needs to match the cooling system (radiator and hoses).
If you're running the early radiator and hoses get the 87 and older pump.
Sorry for so many questions I'm just trying to get all this right so I don't run into too many problems after I purchase my parts
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Originally posted by JasonBates View PostI have more questions.
I just got an 'i' cluster from a just yard out of what I think was an 89, my question is, will this one work for the swap as a bolt in cluster?
And is there any way to test it outside of the car to make sure everything works in it?
Originally posted by Pdxseth View PostOk so I'm keeping the 85' cooling system but all the swap parts are coming from a late model. So I want to use an early model pump an late model pulley? Or I can use a belt that 1" shorter? And I also need the "I" crank pulley?
Sorry for so many questions I'm just trying to get all this right so I don't run into too many problems after I purchase my parts
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