fordie_glanzaV Posted October 4, 2014 Share Posted October 4, 2014 as above are they known to be noisey. just put mine in and seem very ticky...also i dunno if its me but idle seems abit off lumly and low since changing them... just changed plugs dizzy cap and rotar arm but cant see that changjng idle.. havent driven car yet as still doing work on the car... anyone shed any light? cheers lewis Quote Link to post Share on other sites
Gainzy Posted October 4, 2014 Share Posted October 4, 2014 They might settle in after mapping I would imagine Quote Link to post Share on other sites
fordie_glanzaV Posted October 4, 2014 Author Share Posted October 4, 2014 being sent in for mapping as soon as extention harness comes back from kieth @ zisco..so only a week away really..1st time I've got involved with injectors so dunno if im being paranoid lol Quote Link to post Share on other sites
jimmymac101 Posted October 4, 2014 Share Posted October 4, 2014 What car are the injectors from ? I know starlet/toyota injectors are known to be tickey James Quote Link to post Share on other sites
fordie_glanzaV Posted October 4, 2014 Author Share Posted October 4, 2014 rx8 430cc.. i never really noticed on the standard injectors. but like i said idle seems lower than normall. and sounds very ticky. it could b me. im gunna take it out tommorow for a drive then see. they 2nd hand so dunno if they need a clear out. Quote Link to post Share on other sites
Phil Posted October 4, 2014 Share Posted October 4, 2014 (edited) rx8 430cc.. i never really noticed on the standard injectors. but like i said idle seems lower than normall. and sounds very ticky. it could b me. im gunna take it out tommorow for a drive then see. they 2nd hand so dunno if they need a clear out.Fordie, I really hope they are ok, I bought a couple of sets from a reputable Mazda breaker.Now I genuinely believed that these injectors where 100% (I ran a set myself and burnt a forged piston so trust me no joke to me)I would spend the 30quid to get them flow tested just incase.I could sit here with my fingers crossed and say nothing but I'm just telling you all the info and letting you decide your best course of action with all the facts.I hope yours are 100% and that they give you no bother.Phil Edited October 4, 2014 by Phil Quote Link to post Share on other sites
fordie_glanzaV Posted October 5, 2014 Author Share Posted October 5, 2014 anywhere u can reconmend phill??cus i was speaking to my mate who built the engine about having them tested the other day. he unsure of anywhere locally that does petrol injectors.. i just dont wanna send them off and have some1 con me into rebuilding them when theyr fine.. i like honest answers lol.. Quote Link to post Share on other sites
Phil Posted October 5, 2014 Share Posted October 5, 2014 (edited) if the plugs were all black then your injectors should be grand (just alot bigger than stock so running crap and overfuelling) so your safe, one of my injectors was flowing no fuel and blew my engine before i even checked the plugs ! if one was underflowing it would leave your plug looking white. so as the guys said above, probably just needs mapped, leave them out until your getting mapped up Phil Edited October 5, 2014 by Phil Quote Link to post Share on other sites
fordie_glanzaV Posted October 5, 2014 Author Share Posted October 5, 2014 cheers for the reply phil and also the pm :-D Quote Link to post Share on other sites
Phil Posted October 5, 2014 Share Posted October 5, 2014 cheers for the reply phil and also the pm :-D no bother, hope it all works well for ya man. Phil Quote Link to post Share on other sites
Duduglanza Posted October 6, 2014 Share Posted October 6, 2014 Bigger injectors tick alot. Its normal. Even its normal to idle strangely since theres no mapping. What afrs reading on idle? Quote Link to post Share on other sites
HOK Posted October 6, 2014 Share Posted October 6, 2014 Hold a sec. I thought rx8 injectors were high impedance and if your just dropping bigger injectors in they had to be low impedance like rx7? Quote Link to post Share on other sites
Phil Posted October 6, 2014 Share Posted October 6, 2014 Hold a sec. I thought rx8 injectors were high impedance and if your just dropping bigger injectors in they had to be low impedance like rx7?Need to be high like 13ohmsLows need a resister box. Stock are high.Phil Quote Link to post Share on other sites
HOK Posted October 7, 2014 Share Posted October 7, 2014 Cheers Phil, I'm easily confused these days, getting old, ha I stand corrected. Quote Link to post Share on other sites
Phil Posted October 7, 2014 Share Posted October 7, 2014 Cheers Phil,I'm easily confused these days, getting old, haI stand corrected. Corrected but not schooled. i knew you already knew what i was going to tell you Lol Phil Quote Link to post Share on other sites
fordie_glanzaV Posted October 7, 2014 Author Share Posted October 7, 2014 just seen the thread. thanks for standing in phill lol. Quote Link to post Share on other sites
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