ashep91 Posted February 17, 2015 Posted February 17, 2015 I am going to forge my engine should I replace my valves springs valve guides and stems? Anything else I shoukd be replacing seals or anything else also wheres best to buy valves valve guides and stems from? Quote
GlanzaJ Posted February 17, 2015 Posted February 17, 2015 Engine gasket set and bearings, oil pump , water pump ,belts etc Quote
ashep91 Posted February 18, 2015 Author Posted February 18, 2015 Would I need to change valves valve guides and stems Quote
funny onion Posted February 18, 2015 Posted February 18, 2015 You should change the stem seals but unless you're gouing for big power i would leave everything else to do with the valves. You should be changing everything on the engine if you're going forged really, like every gasket and seal and all bearings. Not to mention getting the bores honed, block decked and head skimmed (or at least get a machine shop to check them). New oil and water pump, timing kit etc. Most of all i'd get the crank polished, and reground if needed. No point in cutting corners on a forged build. Quote
ashep91 Posted February 18, 2015 Author Posted February 18, 2015 Should I change the springs? Where is best to buy valve seals? Quote
funny onion Posted February 18, 2015 Posted February 18, 2015 I wouldn't bother with the springs unless you're going for big power or uprated valves. Id-Workz supply valve stem seals, and anything else you will need during the build for that matter Quote
ashep91 Posted February 18, 2015 Author Posted February 18, 2015 I had a look at id workz but couldn't find these bits Quote
funny onion Posted February 18, 2015 Posted February 18, 2015 http://id-workz.co.uk/toyota/starlet/starlet-glanza-ep91/engine-tuning/oe-genuine-engine-gasket-set-4e-fte You'll get all gaskets and seals you need in this kit including valve stem seals Quote
ashep91 Posted February 18, 2015 Author Posted February 18, 2015 Cheers mate any ideas on where to get springs from? Quote
RobSR Posted February 18, 2015 Posted February 18, 2015 Standard springs are fine upto and around 7.5k. If you wanna go pushing the rev limit then think about changing them. I believe you can order Cruise springs from RHD still or zisco used to supply them at one point. Quote
ashep91 Posted February 18, 2015 Author Posted February 18, 2015 How do I get in touch with zisco? Would anything need to be done for these springs to fit or is it a straight swap and these springs are just stiffer, Quote
RobSR Posted February 18, 2015 Posted February 18, 2015 Just stiffer. Zisco are on here or message them through their Facebook page. Quote
AdamB Posted February 19, 2015 Posted February 19, 2015 I'd at least have the guides checked they may well be out of tolerance. Stem seals deffo replace, and the springs are worth replacing but not essential, if your going to raise the rev limit then some stiffer springs are preferable, if not OEM Toyota springs will do fine. Quote
ashep91 Posted February 19, 2015 Author Posted February 19, 2015 Where is the best place to buy valve guides from I might as well get them changed am going to get valve stem seals from zisco I think there an uprated version Quote
AdamB Posted February 19, 2015 Posted February 19, 2015 Toyota, but measure the clearance first because you may need to buy new valves as well to match the guide. Quote
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