Spark plug for 15-18 psi and the gap?

[hammdo]

Also, the b series will get you about 30k miles normal use. R’s, since they are a racing plug, may not. I ck mine @ 10k and evaluate if I need to change them. I run the R’s as gapped from NGK. I do ck all of them to be certain.

-Don

[hou30guy]

B series it is then lol, i hate to say it but being a auto / diesel technician I hate working on my own car. So the longer i can leave them in the better. I pull my motor so many times and etc, im just tired boss

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[hou30guy]

And im thinking. 28 to. 30 on the gap so i dont have to keep repulling them, well i guess i wont have to do that once it goes to the tuner but yeah

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[hammdo]

Former ASE cert tech here, with a degree in auto/diesel systems. I know how that feels. Have not been a pro since I hurt my back decades ago so I don’t mind doing my own when the body says I can ;o)

Out of the box, b’s and r’s are .030 to .031

-Don

[hou30guy]

If they gapped there ill check them and leave them and let the tuner deal with it lol

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[hou30guy]

Tuner just hit me up he wants the br8es in at .22 wow

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[hou30guy]

Omw home i did a run at about 90% throttle and 4th gear and i hit 19.8, i was scared cause its tune with my 3.2 sc pulley, well since then i did a lc32 front hybrid bracket and rerouted my belt to get 75% wrap like the new design maggies cause the old style was only 50% and i was getting slippage. I put the 2.9 sc pulley on before this run just to see what psi shes at now, originally she was at 14.5, thats a big increase.

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[hammdo]

Originally Posted by hou30guy

Tuner just hit me up he wants the br8es in at .22 wow

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Not unusual, some run .018!

4th gear pull will show you!

Mine is breathing pretty well, thus 13.5 PSI (everything ported, headers, catless)

PSI is more a measure of restriction, may want to look at reducing restriction in the future. She’ll have some power for sure!

-Don

[hou30guy]

My heads are ported, arh headers with 3 " exhaust system, btr pds blower stage 3 cam, not sure where the restriction at but I dont have no cats

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[hou30guy]

I have a jackshaft maggie with od cog rear
, you have a lsa huh, two different setups

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[hou30guy]

You have a 1.9 and im 2.3 but yours is way more efficient than the jackshaft maggies

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[hammdo]

Yep, my snout (ported to 90mm), blower, and heads are all ported.

Your’s looks like you’ve done what you can! I’m running a 2.45 and 9.17 combo. Could go 2.38 and 9.55 but that would be spinning the LSA setup hard.

You’re right, different setups.

I was informed to reduce restriction as much as possible to make my setup as efficient as possible (to help IAT2 temps)...

-Don

[hou30guy]

The only other thing im missing is a lc32 snount that makes them efficient up to 7k rpm which i dont plan on 7k rpm. 1200 bucks for a snout is deep. 90mm is a choke for me at my level now, when i go in for a retune i wouldn't be surprised if its 800 to 900whp on e85 and 750 to 775whp on 93

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[hou30guy]

Anything lower than a 2.9 i believe is just hot air blowing, i would have had a triple pass heat exchanger coming but a week build i said hell with it send the dual and i bought twin 10inch fan kit

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