KevinA Posted March 12, 2013 Share Posted March 12, 2013 This weekend, i'm going to do my First Maintenance of my LGT. I have a few quesions What is the best spark plugs, copper/plat/iridium, what gap? What weight synthetic? is there anything else i should do, while i have the cover off? Link to comment Share on other sites More sharing options...
Max Capacity Posted March 12, 2013 Share Posted March 12, 2013 Use the recommended NGK plug for the car, nothing else. Did I say NOTHING else ! They come pre gapped. Most of us use Shell Rotella t6 5-40 and a good oil filter You may want to clean the MAF sensor. Read the DIY's threads on here. 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
Nolmers06LGT Posted March 12, 2013 Share Posted March 12, 2013 Use the recommended NGK plug for the car, nothing else. Did I say NOTHING else ! They come pre gapped. Most of us use Shell Rotella t6 5-40 and a good oil filter You may want to clean the MAF sensor. Read the DIY's threads on here. I bought a 4-pack of the NGK iridiums that were supposedly for the LGT, however when I double-checked the gaps they were all roughly 0.040". Our gap is supposed to be between 0.028" and 0.030", correct? Just a friendly heads up.. don't always trust the pre-gapped plugs. Max, have you heard of running an RX-8 oil filter? Link to comment Share on other sites More sharing options...
Max Capacity Posted March 12, 2013 Share Posted March 12, 2013 There is a thread on here about the RX8 filters and threads that talk about them and other oil filters. I'll just stick with one of the name brands. Yea...I agree you should check the gap any ways. I did when I put new plugs in the new short block. 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
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