Ignition breakup and alternate IGN-1A mounting locations
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mkd (03-16-21)
#28
So here's what ended up happening in my case...
I went with the SBG "RHD"/frame-rail mount. It worked fine. I used the SBG harness, mostly because I didn't to get it done and IRP was backup on their harness production.
I installed these at the same time as a set of BNR state 2's. Initially, I was having boost control issues with the BNRs so only pushing maybe 16psi, and the IGN-1As were fine with that and 250cc/min water.
After I got my boost issues figured out, I would start to get breakup again above 6-7Krpm & ~20psi with 250cc/min water and 4x NGK BUR9EQ plugs (9 heat range).
I then used 8 gauge wire and some heavy duty copper terminals and did the following:
Between the additional grounding and 10.5 plugs my breakup is completely gone even at redline, 22psi, and more water.
I went with the SBG "RHD"/frame-rail mount. It worked fine. I used the SBG harness, mostly because I didn't to get it done and IRP was backup on their harness production.
I installed these at the same time as a set of BNR state 2's. Initially, I was having boost control issues with the BNRs so only pushing maybe 16psi, and the IGN-1As were fine with that and 250cc/min water.
After I got my boost issues figured out, I would start to get breakup again above 6-7Krpm & ~20psi with 250cc/min water and 4x NGK BUR9EQ plugs (9 heat range).
I then used 8 gauge wire and some heavy duty copper terminals and did the following:
- Ground rear rotor housing to firewall
- Ground front rotor housing to driver strut tower
- Connect front and rear rotor housing together (note that the SBG harness grounds to only one rotor housing).
Between the additional grounding and 10.5 plugs my breakup is completely gone even at redline, 22psi, and more water.
Last edited by mkd; 03-23-21 at 01:22 PM.
The following 2 users liked this post by mkd:
neit_jnf (03-24-21),
Tim Benton (03-24-21)
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