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#20g Swap cranks but no start

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 Post subject: 20g Swap cranks but no start
PostPosted: Sat Apr 15, 2017 10:57 pm 
In Neutral
Joined: Sat May 17, 2014 1:47 am
Posts: 23
I need some advice, preferably from those who have done the 20g swap. But any advice is welcome.
94 legacy, put in a rebuilt 20g from a 96 wrx, cranks but no start. I have fuel, spark, and compression is 130 across the board except for cyl 4 which is 120. But do note that the engine was cold and the rings are still not set since I cant start the damn thing. (maybe the issue?).
Timing is good.
Even checked to make sure I put the cams in right and they are.
No codes.
Replaced the crank and coolant temp sensor. (cam sensor maybe?).
Using 20g ecu.
Did the 4 to 2 ignition conversion.
The engine ran when I first put it in, granted it was only on 3 cylinders since the intake valves on #2 were not sealing. Did not touch any wiring since then.
Also, when I crank it it also likes to pop and sputter from time to time.
Any suggestions welcome.


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 Post subject: Re: 20g Swap cranks but no start
PostPosted: Sun Apr 16, 2017 2:50 pm 
Fifth Gear
Joined: Fri Jun 20, 2008 8:17 am
Posts: 6228
Location: Lakewood, Wa 98439
Fuel lines backwards?

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91 L-TW Wagon with a full Swap -RIP
92 SS Prefaced, GD dash swapped, 22T/205 Hybrid 20 psi - BEAST!
93 SS Bone Stock Gone!
94 TW Bone Stock Gone!
91 SS 4EAT Sold!
98 LGT 4EAT
98 LGT Wagon 4EAT


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 Post subject: Re: 20g Swap cranks but no start
PostPosted: Mon Apr 17, 2017 3:01 am 
In Neutral
Joined: Sat May 17, 2014 1:47 am
Posts: 23
Nope It was the ecu. Put my old one in now it runs.


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