Guest TurboSedan Posted February 6, 2003 Report Posted February 6, 2003 as some of you know i'm turbocharging my n/a VIN T 3.1 engine (192,000 miles and running strong right now i use the stock AC Delco R44LTSM plug. i'm not sure what the 3.1 VIN V uses. the thing is, is that i have slightly more compression (8.9 vs 8.8 ). so what should i use for a plug? i plan on going with a thick head gasket also but need some suggestions on brand/type here as well. fwiw, i will be using new head bolts, and tapping the head bolt holes. joshua Quote
Mike J. Posted February 6, 2003 Report Posted February 6, 2003 Have you done the search feature above using the words head and gasket/s yet ? I remember a discussion where Jeff M. was telling that he has tested several head gaskets with some not passing the test. I cut and pasted this quote from him : "The stock block is good for 300 to 350 hp no problem long as a good build is done and its tuned properly, ARP studs help to keep things together for the heads, but an O-Ring block is a better assurance". Search,Search,Search. Quote
Mike J. Posted February 6, 2003 Report Posted February 6, 2003 Oh yeah, heres a link to a complete engine gasket set on ebay for our 3.1's. Can"t verify its the correct part for us but check into it fast because the auction ends in about 8.5 hours from this post ! http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=2401973447&category=6783 Quote
eclipse5302 Posted February 6, 2003 Report Posted February 6, 2003 As for plugs, you want to use the coldest one you can. I think the stock TGP plug is a R42LTS, which is GMs coldest plug for the 60 degree V6s. I use a NGK V-grove plug, the TR5. It's a nice plug, and it's been good to me for about 10k miles. Jason Quote
Guest Anonymous Posted February 6, 2003 Report Posted February 6, 2003 Is TR-5 the part number for those NGK's? I've been thinking of trying those. Quote
eclipse5302 Posted February 7, 2003 Report Posted February 7, 2003 yeah, I think so. Otherwise just go to Autozone or similar and have them pull up the plugs for your ride. The NGKs should be there. Jason Quote
Guest TurboSedan Posted February 7, 2003 Report Posted February 7, 2003 thank you very much for the replies i'm going to be searching for info on the head gaskets, but i might come back with a Q about them later... joshua Quote
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