Headed to the track

[Josh154]

Should have 12s now with the new tires. Might bump pulse up a little bit as well

 

[M.A.M.]

Might bump pulse up a little bit as well

keep doing that and you’ll have a hole in the piston soon enough LOL


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[Josh154]

lol only at 2050 now. Much better than the lmm I ran at 3300 for a couple years

 

[M.A.M.]

True, but piezo injectors flow quite a bit more, and pistons are weaker.


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[S Phinney]

That’s a good max pulse. Running more just makes the Injector crystal hot and you get premature failure. The LML piston is probably the second best of the stock pistons. I made 611hp on 1500 usec so you really don’t need to run the injector that much. That’s with stock turbo but a sportsman cp3.


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[M.A.M.]

I’ve cracked way too many LML pistons, I’m scared of them. rofl


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[S Phinney]

I’ve only cracked one but it also has every reason to crack I suppose. Between spraying it and making 737hp and towing at 29k it hard a rough life.


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[M.A.M.]

that’ll do it


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[Josh154]

That’s a good max pulse. Running more just makes the Injector crystal hot and you get premature failure. The LML piston is probably the second best of the stock pistons. I made 611hp on 1500 usec so you really don’t need to run the injector that much. That’s with stock turbo but a sportsman cp3.


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You made 611 stock turbo and sportsman at 1500uS? I’m running a sportsman as well.

 

[S Phinney]

That is correct.


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[Josh154]

Dam that’s Impressive. Any y bridge or manifolds and up pipe mods?

 

[S Phinney]

Yes bridge Intercooler piping and up pipes.


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[Josh154]

Ahh nice. I’ve been contemplating up pipes. I have the full sdp y bridge and intercooler pipes

 

[Burn Down]

My buddies wife's LML made 738 on Rob's dyno dropping rail to 23,5k. New exergy 60's and a new dual fueler controller netted a 12.3 @ 112 at 8K+ race weight with a 6" lift and 34" at tires. Stock bottom end truck with 66/80 Wherli twins. The LML will run hard:thumb:

 

[Josh154]

Forsure! I wanna get 12s and 600hp on this stock trans. Building a house this year so nothing too major planned for truck. Next year though would like to give her a built trans and more air

 

[TheBac]

I guess i shouldnt ask, but why risk it when it sounds like you may need the truck while you're building? Sometimes the best move is to stay pat until you can build the truck properly. (I know -- crazy talk on this site )

 

[Josh154]

Ok headed back out to the track June 14th. Putting some tie rod sleeves on, and going to clamp the spring pack. Have some tie rod sleeves going on. What tire pressures should I run the 420s at?

Hoping I can get down to a 1.6 60’. Hopefully the 100lbs less rotational weight will help get some more mph out of her too.

 

[Burn Down]

I run 29.5 in the front, 25 rear 2nd gear start and 3k rpms. Cut a 1.61 and a 1.59 before the track went away.

 

[Burn Down]

I’d start a little above those you can always pull some out at the track. 60’ will greatly depend on track prep also. Try and get down the track as early as you can before all the prep and rubber is ripped off.

 

[Chevy1925]

^^ sooner you hit the track, the better. your best 60 and ET will most likely be your best hit. as the night goes on, you may find you are better off launching outside of the groove if the track does not prep more than once.