73SuperVWRX 00:11:24 Thu Jul 29 2010 Offline 2 posts Dreamer Reply
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I got a 73 super beetle and i put a jdm ej20t in it,got a stinger ems and wiring harness,put it on and started it and it idles fine but it wont go over 1000 rpms,it sputters and back fires what could this be?
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