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Old 07-28-2014, 09:06 PM   #151
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Will be racing on September 7th, bracket style racing so I will need to dial my car in. My wife is also racing her Mustang since the cars have to be under 13.99, which hers is. She is consistent as long as she doesn't blow the tires off.
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Old 09-17-2014, 06:30 PM   #152
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Any updates here? How has the car performed?


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Old 09-22-2014, 09:51 AM   #153
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Any updates here? How has the car performed?


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Didn't see your post, took a while for me to reply.

Car has been running good, just did a test with the stock intake manifold over my ported intake manifold, the stock one robbed some torque down low and wasn't consistent up top. Will be testing a LFX manifold soon to see if there are any gains with that in a LLT motor.

Pulley size wise, I will give the current 3.48" pulley a good run in October/November when the DA is low, get the best time I can. Over the winter I will be going to a smaller size, 3.40" or 3.33". The 3.33" should be 14 psi, which I want to do but wonder if the engine can handle it on stock components.
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Old 09-22-2014, 07:13 PM   #154
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Cooler denser air that time of the year will help. I believe you will run out of fuel before you hurt the internals according to a couple guys on here pushing the limits. Unless you upgraded it (can't remember) I am trying to keep a goal of February to install my smaller pulley and methanol kit. That should be a fun dyno run ;-) good to catch up keep us posted!


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Old 12-07-2014, 06:47 AM   #155
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Any update here MagnumForceGB? Have you run the smaller pulley?


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Old 12-07-2014, 07:42 AM   #156
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Any update here MagnumForceGB? Have you run the smaller pulley?


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Just the 3.48", had to fix the trans cooler problem I had first. With that fixed though the car ran 12.5 @ 111. Next year I will start going to 3.33", my final goal. I have HP Tuners Pro Suite now so I can make all the fine changes I need to make.
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Old 12-07-2014, 07:55 AM   #157
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I just found the ipf vs 5.0 thread after posting and caught up. I wasn't subscribed for some reason thanks!


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Old 02-12-2015, 11:45 AM   #158
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Bumping this for one reason, if you want to do this upgrade a fuel system upgrade or secondary fueling in the form of something like Water/Methanol injection will be required. After 6500 RPM's the fuel injectors will have to be open for over 9.5 ms which will cause misfires. Not only that but timing advanced will be reduced and costing more power than what could be gained.

Water/Methanol injection does work extremely well with the LLT, timing can be advanced and it helps cool the engine down since we don't have an oil cooler. It will require extra tuning though since the engine will run too rich.
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Old 02-13-2015, 10:14 PM   #159
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Bumping this for one reason, if you want to do this upgrade a fuel system upgrade or secondary fueling in the form of something like Water/Methanol injection will be required. After 6500 RPM's the fuel injectors will have to be open for over 9.5 ms which will cause misfires. Not only that but timing advanced will be reduced and costing more power than what could be gained.

Water/Methanol injection does work extremely well with the LLT, timing can be advanced and it helps cool the engine down since we don't have an oil cooler. It will require extra tuning though since the engine will run too rich.
This may be a completely wrong assumption, but would using a LF3 HPFP save you from using water/methanol?
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Old 02-14-2015, 09:31 AM   #160
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This may be a completely wrong assumption, but would using a LF3 HPFP save you from using water/methanol?
Possibly, but that will be for LFX only since the LLT has different fuel hard line from what Gretchen was saying. You shouldn't bend high pressure lines since the smallest crack will expand. I used to work on 3,000 psi hydraulic systems when I worked on F-16's, any small nick in the lines and we had to replace that entire line since that fluid was the only thing that could move the primary flight controls (the Leading Edge Flaps were mechanical).

Here is a datalog snippet that shows no methanol being used. The injection pulse width was so long that the main fuel rail pressure was half of what it is supposed to be. To see what the engine RPM is take the Trans Input cell and add the TCC slip RPM cell next to it, that will give you the true engine RPM. Bank 1 is leaner since Bank 2 has an exhaust leak at mid-rpm, which I have to fix.
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Old 02-19-2015, 03:19 PM   #161
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[QUOTE=MagnumForceGB;8233046]
To see what the engine RPM is take the Trans Input cell and add the TCC slip RPM cell next to it, that will give you the true engine RPM. /QUOTE]


Oh, O.K. When you put it that way it makes perfect sense, doesn't it!

I gotta sell this car- I'm not smart enough to own it now!!
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Old 02-19-2015, 07:47 PM   #162
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Oh, O.K. When you put it that way it makes perfect sense, doesn't it!

I gotta sell this car- I'm not smart enough to own it now!!
Nah, that is just when you start doing tuning, the LLT is actually easy. The headache will come with the transmission. Right now I'm getting it feeling great, shifts hard and fast.
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Old 02-20-2015, 08:53 AM   #163
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Appreciate all your effort! I know one day we will all benefit from it- even if we don't understand it!
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Old 08-13-2015, 03:51 PM   #164
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can you drive with smaller pulley 3.48 swap without being tuned?
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Old 08-13-2015, 04:39 PM   #165
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can you drive with smaller pulley 3.48 swap without being tuned?
If you have methanol injection, yes. If not, it might run lean and have more knock, causing the engine to overheat. Last year I made a pass with a 3.48" pulley without meth running an IPF tune and the oil was overheated, car pulled a lot of timing. LFX might be different though.
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Old 08-13-2015, 04:51 PM   #166
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I just need to make a 2 hour drive to tampa fl to get tuned, also magnumforceGB trying to see how you made the pulley fit. with 1/4 in you cut off did you use it as a washer for the other side?
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Old 08-13-2015, 05:07 PM   #167
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As long as you don't floor it to 6000 RPM's it should be fine.

I used the piece that I cut off as the spacer.

I'm also using a 3.33" pulley now.
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Old 08-13-2015, 05:15 PM   #168
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that's good news to hear. lol im sure sooner or later ill get bored of the 3.48 and drop another size wish I knew the brand of pulley so we didn't have to cut the pulleys though
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Old 08-13-2015, 05:21 PM   #169
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is there anything you used to hold the spacer to the pulley, and btw thanks man usually have the answer to my questions, good looking out
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Old 08-13-2015, 05:33 PM   #170
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Might have to see about non-Vortech pulleys, but you run the risk of rubbing the bracket. I put the spacer between the pulley and the bolt that holds it, you will see it.
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