Stock work just fine, too. 17.5 are a nice upgrade if you plan on staying near stock, but don't expect more power from larger injectors. Many people say better mpg or idle though, but I suspect it's just because their old injectors were clogged and worn.
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Mark D and 19# on stock car?
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Originally posted by squidmaster View PostStock work just fine, too. 17.5 are a nice upgrade if you plan on staying near stock, but don't expect more power from larger injectors. Many people say better mpg or idle though, but I suspect it's just because their old injectors were clogged and worn.
the biggest benefit may be that newer injectors are quieter.
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Sorry to bump an old thread (can't say I didn't search) I'm looking for which 19lb injectors to buy for the MarkD 91 octane 19lb injector chip, I sent Mark an email through his site as well as IE & Guten but no response yet.
Both of these seem to be the correct part number (0 280 155 700 and 0 280 155 710)
I asked the Ford seller if I can buy just 6.
[IMG]https://cimg4.ibsrv.net/gimg/my350z.com-vbulletin/550x225/80-parkerbsig_5096690e71d912ec1addc4a84e99c374685fc03 8.jpg[/IMG
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It doesn't really matter. MarkD does not adjust fueling at all for different size injector, he just leaves it up to the O2 to do all the work (not ideal). So either injector work work the same with that chip
Sent from my Robin using TapatalkLast edited by squidmaster; 06-10-2017, 08:40 AM.
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Pretty much stock engine with a fresh head rebuild, 91 octane chip, m30 AFM and 19lb injectors. I love it, no complaints. Really noticeable after 4k, plus with mr.squid's customer service and the ability to get the chip re-flashed with a different tune, I wouldn't go with anyone else.
I have a little more info and a mini review in my build thread
Originally posted by 2mAnThe BMW V6 is the best
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I have the same setup like sampayne, and I have MarkD, MarkD with 19lb and SSSquid chip. The one with SSSquid is the best because he tuned (and re-tuned later) for M30 AFM as well. Just in case you did not know - get yourself an adjustable FPR (you will need higher bar) and later on you may want a higher pressure fuel pump when your existing one is due for replacement.Current:
'88 325ic Silver 5sp
'17 Subaru Outback 3.6R
Past:
'14 Rav4 EV (with tons of torque!)
'06 325i Black 5sp
'02 S4 Avant Black 6sp
'00 Boxster Silver 5sp
'98 New Bettle Yellow 5sp
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Originally posted by mazzo View PostI have the same setup like sampayne, and I have MarkD, MarkD with 19lb and SSSquid chip. The one with SSSquid is the best because he tuned (and re-tuned later) for M30 AFM as well. Just in case you did not know - get yourself an adjustable FPR (you will need higher bar) and later on you may want a higher pressure fuel pump when your existing one is due for replacement.
Thanks
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