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FP 68HTA dyno results

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That does seem a bit late in the RPM band looking at peak torque in the dyno printout, as a comparison here's my dyno running 28psi on a stock 7-bolt block and FP2 cams on E85. HTA68 with TD05H wheel and 7cm hotside.

Interestingly enough, although peak torque's pushed 1k later in the RPM band peak horsepower is still right ~ 6.5k. Seems like a good trade off on this little turbo considering the 60whp gain, I'd like to know more about your setup too if you don't mind Tony? Were you playing with cam gear timing too, maybe?

You wouldn't happen to have log?

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Motor is a 6 bolt, stock crank, manley rods, and wiseco 10.5:1 cr pistons built by Devin at Boostin. With there Stage 3 head, has kelford 272's in/ex cams. He tuned my car on his dyno, I don't have any logs and didn't play with the cam timing either. On E85 with 2150cc injectors. I'm using the stock 7 bolt throttle body with en evo3 ported intake and FP exhaust manifold. It's still on dsmlink.
 
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So I've had the 68hta since 2009 great all around turbo. I made 380whp 345tq at 27psi on a conservative tune from what my tuner explained to me due to stock 7 bolt. I believe his work as he also tuned Gofer's Gsx.

Mods are the common supporting mods 3inch exhaust, fuel system etc. for engine wise just kelfords 272's with spring and retainers. Stock intake manifold, O2 housing stock long block. I'll try to find my dyno graph to give you guys an idea to compare.

And I'll update my profile to a 68hta LOL after 5years of owning it.
 
Updates are always a nice thing, especially for guys like myself who look into copying a setup proven to produce results. It's nice to know EXACTLY what parts to buy.

Since you've had your 68hta for such a long time, I ASSume you have the older td05h wheel and 7cm housing? I'm using the newer turbine wheel (6sl2 maybe?) and their 8cm2 housing.
 
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ASSuming you're asking luii90? Since he's been running it since 2009 then he's definitely running the older version of the 68HTA.

I've got the same version (I've had mine since '08) but have it installed into a larger 8cm BEP hotside with the smaller td05 turbine wheel and I'm still logging 51lbs/m with it. I know FP advertises the newer version with the td06 TW/8cm hot side at 51lbs/m so, if that's truly the max airflow of the newer version then that might just be the limit of the compressor wheel.
 
Corey, yes I was directing my comment towards luii90.

I saw your setup (read threw your dyno thread a few times, very inspiring and motivational, thank you for posting). I wasn't aware that you swapped turbine housings though. It's unfortunate that FP no longer sells there FP2 cams. I'm not sure I want something as aggressive as the Kelford 272's. I was looking at GSC S1 cams for my build. I was sold on the idea that the 68hta spooled quickly and was able to carry torque out to redline (7,500 RPM). I've had every variation of the td05h (14b, small 16g, big 16g, EVO III), and every step up was "better", but still fell off up top. I was dead set on going with a td05h 20g, until I came across the 68hta.
 
Who is running the revised 68hta (as I call it), with the bigger turbine wheel and 8cm2 housing? I am curious about the spool time and whp differences between it and the original td05h wheel/7cm2 housing..
 
Who is running the revised 68hta (as I call it), with the bigger turbine wheel and 8cm2 housing? I am curious about the spool time and whp differences between it and the original td05h wheel/7cm2 housing..
I have a 71hta which is supposedly a 68hta with the 8cm housing. Td05 compressor. Full boost at around 3700rpm and flows enough for high 120s with supporting mods and hks 272 cams. Great fun set up. Haven't been to the track since I did a few mods (gm maf, external dump O2 housing) but I would expect very high 120s low 130s in a full weight e85 1g. Running a bunch of timing. 19 or so max advance in high rpms. I went 124mph on 5 less psi and less mods. My street runs say my car is exactly where I'm saying based on the cars I have beat, but I need a cage for the track. Gonna go soon and get s clean run in.

IMHO I'm probably running way too much back pressure with the 05 wheel but I have no way to log. The 05 wheel becomes a problem at around 51lb a min. Kind Of wish I went with a green but I don't know how much a diff in spoil it would have been
 
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I'm lost. You have a 71hta, which is definitely not the 68hta. Also, your saying you have the td05h TURBINE wheel? Nothing about your turbo is the same ask the original (47 lb min) 68hta, or the revised (larger turbine wheel) 68hta.. I'm either misunderstanding your post or your posting in the wrong thread..
 
I'm running the newer 68hta. Dyno'd 401whp @ 20psi. On a mustang dyno, fuel are staged race gas/25%methanol mix, Gsc s2 cams, 10:1 cr. Spool slower than the original 68hta but kick in lot harder. This is a 475~500whp turbo if boost to 30+psi. Mine is a internal wastegated, and would not hold at higher boost.
 
Sorry for delay guys been so busy. *Correction I actually made less torque LOL. It's been so long I can't even remember the numbers I put down. This is the most recent tune on the 68hta. Same mods as posted. Kelfords do delay spool but top end feels great plan on getting a larger turbo idk what yet. Anyway 68hta turbo is great.
 

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Are you guys ALL on e85? Anyone using a stock / stock cam'd motor? (stock block, stock head, stock cams, etc. (maybe just ARP's and an MLS gasket)... I'm interested to see how much of the hta's power is the turbo and how much the cams are actually doing..
 
Larry Koren over on ECMLink's forum was running a stock 6-bolt long block (stock cams) w/ L19 head studs through an automatic transmission and cutting 10.6's @ 128mph, fuel was E85 and boost was 30psi+.

Stock suspension too. LOL

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Track times will vary HUGELY based on how well the car is setup and the how good the driver is. That's why I'm asking for dyno numbers and not pushing hard for E.T.'s or trap speeds. You can have a 300whp and 500whp car both E.T. and trap the same if they aren't working correctly. I understand the dyno isn't the end all and trap speeds tell the "real" story, but it's nice to see dyno curves and numbers!
 
Track times will vary HUGELY based on how well the car is setup and the how good the driver is. That's why I'm asking for dyno numbers and not pushing hard for E.T.'s or trap speeds. You can have a 300whp and 500whp car both E.T. and trap the same if they aren't working correctly. I understand the dyno isn't the end all and trap speeds tell the "real" story, but it's nice to see dyno curves and numbers!
You've got it backwards...

Dyno's are tuning tools, nothing more, nothing less... People make dyno numbers out to be way more than they should. Not only are there different types of dyno's that are known to read considerably less (upwards of 75whp) than most, it's also possible for the tuner to skew hp/tq output reading depending on the dyno too. You're right though, E.T.'s can vary greatly based off of driver skill, car setup, etc. but, as you said, trap speeds are a pretty good indication of power output especially if you know the weight of the vehicle.

You're going to be hard pressed to find a dyno sheet from someone running a HTA68 on a stock long block (cams included) and on 91oct, that's an easily tuned setup on the street and doesn't require much, if any, dyno time. Also consider the cost of that setup and most DSMers aren't going to spend $500 to spin a dyno to see what they're $1k budget build is making to the wheels, they're more interested in the numbers that light up at the end of the track which is really what matters to most anyway.


I don't have stock cams (FP2's) but stock 7 bolt my HTA68 v1 is getting my car to 127.6mph in the 1/4 and my car weighs in at exactly 2,960lbs with me in the drivers seat.
 
You've got it backwards...

Dyno's are tuning tools, nothing more, nothing less... People make dyno numbers out to be way more than they should. Not only are there different types of dyno's that are known to read considerably less (upwards of 75whp) than most, it's also possible for the tuner to skew hp/tq output reading depending on the dyno too. You're right though, E.T.'s can vary greatly based off of driver skill, car setup, etc. but, as you said, trap speeds are a pretty good indication of power output especially if you know the weight of the vehicle.

You're going to be hard pressed to find a dyno sheet from someone running a HTA68 on a stock long block (cams included) and on 91oct, that's an easily tuned setup on the street and doesn't require much, if any, dyno time. Also consider the cost of that setup and most DSMers aren't going to spend $500 to spin a dyno to see what they're $1k budget build is making to the wheels, they're more interested in the numbers that light up at the end of the track which is really what matters to me anyway.


I don't have stock cams (FP2's) but stock 7 bolt my HTA68 v1 is getting my car to 127.6mph in the 1/4 and my car weighs in at exactly 2,960lbs with me in the drivers seat.
2,960 with driver is fantastic. Mine weighs 3,360 with me and a full tank of gas.
 
I don't have stock cams (FP2's) but stock 7 bolt my HTA68 v1 is getting my car to 127.6mph in the 1/4 and my car weighs in at exactly 2,960lbs with me in the drivers seat.


Based on a simple HP calculator that puts my car in the mid 140s with the HTA. Which sounds about right when comparing to whats currently going on with the car.
 
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