Xantia unrecommended spark plug

[saeedm]

can i use any spark plugs other than bosch fr7de ? like platinum or iridium one (with same gap and dimensions and heat range)
cos i heard that platinum or iridium spark plugs can damage coil !!

[saeedm]

i bought fr8dc+ russian made with 0.8mm gap
i will try it and will report the result to u.