yes the plug is black and I upgrade my timing at 30 .
I dont no is good.
Search found 2 matches
- Tue Jul 14, 2009 4:15 pm
- Forum: (LEGACY) New 5.7L-6.1L-6.4L HEMIs
- Topic: 5.7 hemi jetting nightmare
- Replies: 2
- Views: 2493
- Wed Jul 08, 2009 3:53 pm
- Forum: (LEGACY) New 5.7L-6.1L-6.4L HEMIs
- Topic: 5.7 hemi jetting nightmare
- Replies: 2
- Views: 2493
5.7 hemi jetting nightmare
Hi Everyone! I`m new here but it seems like there is wealth of knowledge here so I thought I would see advice if any I could get on this there it goes. 2004 5.7 Hemi 16000 miles swapped into a 1980 jeep cj7 transmission 727 650 Holley xv motorsport intake msd Hemi 6 controller jeep has no power is r...