6.39 at 110 . New personal best

[Mikeysy15]

Went to a private track rental at our local 1/8 mile track . Really didn’t know what to expect . DA was 2000-2500 all day. This pass was the last one. They let me slide with 6.60-6.40 passes because it was a private event but when I hit the 6.39 they called me to the tower and told me I needed an NHRA license and certification and obviously a cage which they have been warning me about for the past year. Ran 6.54 and then I talked to proptop and adviced me to step up the timing 2 degrees ans that’s when I hit a 6.44 and then a 6.39 on the same boost. Th ans again Bob. Good times and thankful this little 2 bolt main , stock crank , stock block . Stock 7.5 10 bolt held up to some abuse .

 

[proptop]

Mike Nice job!!!!!! Gents there is some left in that truck but as Mike said it is a pretty mild build and I would hate to see him hurt it.

For the question above that is a tough call on what to start with However make sure everything is checked and your basic maintenance is accomplished before you start playing with the boost. Hopefully someone with more experience can chime in here.
Bob

 

[Mikeysy15]

I have no idea

 

[proptop]

Gents,
I will reply to this question under/with another post so we don't Muddy Mike's one here.
Bob

 

[Mikeysy15]

Lol. I don’t care Bob

 

[Sparkz#0535]

That is flying !

 

[Mikeysy15]

Thanks sir. The Powerglide and going 2wd helps a lot . Dropped me 8/10’s from the 700r4/awd in the 1/4 with the same power. You just lose the AWd launches on the street which is what makes the car fun. My transfer case and front diff , 700r4, all broke so I didn’t want I to fix all that so I took the easy way out and it paid off at the track.

 

[Mankids]

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[drhill]

Thanks sir. The Powerglide and going 2wd helps a lot . Dropped me 8/10’s from the 700r4/awd in the 1/4 with the same power. You just lose the AWd launches on the street which is what makes the car fun. My transfer case and front diff , 700r4, all broke so I didn’t want I to fix all that so I took the easy way out and it paid off at the track.

Hey Mike! I was just going over some old posts on here and saw this one, I remember you telling me at the track you dropped a lot of ET just going to 2WD, I didn't realize it was 8/10ths! How much MPH did you pick up? I'm not ready to do this on my TY just yet but I was trying to figure out how much the AWD is killing HP. I'm running about 120 or so in the 1/8 but I'm like 4200 lbs!

 

[proptop]

Drhill and Mike,
Let me weigh in here. There are allot of factors when deciding to change the drivetrain and how you intend to use the truck. Looking at your 1/8 mile time your truck makes good power so I take it as a LS swap? You need to make a Honest assessment with yourself if a two speed transmission is the right direction. If you have a Chit ton of power it will work but she is heavy and might be to much for a glide conversion.
Bob

 

[drhill]

Drhill and Mike,
Let me weigh in here. There are allot of factors when deciding to change the drivetrain and how you intend to use the truck. Looking at your 1/8 mile time your truck makes good power so I take it as a LS swap? You need to make a Honest assessment with yourself if a two speed transmission is the right direction. If you have a Chit ton of power it will work but she is heavy and might be to much for a glide conversion.
Bob

I hear ya. Yes, I'm a TT LSX. I have been struggling with launch suspension tuning with the AWD. I haven't broken into the 5's in the 1/8 and I'm consistently 119 to 121 mph. mid 1.40's best 60fts. Usually high 1.40s to 1.50. I know I'm giving up HP with the AWD but I'm just not sure how much.

At some point, it's not a Typhoon anymore though and I might as well just gut a blazer and race that. Right now my truck is full weight with a cage, AC, power everything, full leather seats etc etc. It's got a fully built billet everything Reid case 4L80E so I would keep that and not go glide.

If I can get my suspension to work better with some adjustments I'll keep the AWD and add more HP. If not....I'll step it down a bit with a more basic combo and drop the $$$$ motor/trans in something lighter.

 

[proptop]

Do you have room for a anti roll bar in the back? That seem to help mine as I was twisting up the truck. The roll bar should help with that though.
Bob

 

[proptop]

Just found a picture of what we built. It can be pre-loaded to set suspension. We built it to be bolted in and it should/might work in a Typhoon. Not sure. Shoot me your number in a PM if you want to discuss.
Thanks,
Bob

 

[Mikeysy15]

Dr. Hill. How you doing . Last time I saw you at Irwindale you ran 6.50 in that huge station wagon. Anyway at Irwindale I picked up 5-6 mph and 3-4/10ths. Went from high 6.9xx to a 6.55-6.65 with the same boost. There’s a lot more to it though . First of all you drop at least 200lbs off the front end when you remove all that stuff. A PG also sucks up only 10-12% vs awd/700 or in your case a 4L80 which is probably 30% . Also I went down to a 3.08 gear and went up to a 28 inch tire . Remember though , I did all this because all my stuff broke . Transfer case, front diff , trans was slipping . Anyway I was under the impression you were running in the 5’s easy. The day I saw you I went 6.0 at 112 and they kicked me out again. And your doing 120mph. One thing I know for sure is the lighter I made the truck in the front the better it would 60ft. But your typhoon is badass . I wouldn’t go Rwd . It would suck on the street with all that power. So what is going on with the launch , are you spinning badly or is it just bouncing ? I think all that is normal when you have all that power . And yes my truck is definitely smoother on the launch now . Best 60ft was 1.39 but usually 1.40- 1.43. One of the problems I think sy/tys have is that there is not enough front travel . I’ve seen 2wd s10’s easily lift the tires with less power but they have 8 inches of travel in the front or more so their able to transfer that much more weight. In this pic . My shocks are fully extended. I’m hooking good on slicks on a prepped track so I can’t complain but I would love more front end travel to keep the tires planted all the way down the track .

 

[drhill]

Just found a picture of what we built. It can be pre-loaded to set suspension. We built it to be bolted in and it should/might work in a Typhoon. Not sure. Shoot me your number in a PM if you want to discuss.
Thanks,
Bob

Thanks Bob, I'll have to look if I have room for that, it feels like I'm pretty crammed in under the truck right now. I'll check it out and get with you.

 

[drhill]

Hey Mike - I forgot you said you broke the Xfer and the front diff...what does your truck weigh now? I know you're all about cutting weight, I remember that blue Roadmaster you had....sneaky.

I'm bouncing on the soft 15" Hoosier Quick Time Pros I'm running....but I had my suspension full tight. I'm going to try to loosen up the double adjustable rear shocks first then loosen the front single adjustable shocks if need be. I have front end limiters too I can take off or put some slack in.

I just got a set of Mickey Thompson ET Street SS tires put on the stock wheels I bought from you to use on the two Rocky Mountain Race Week events I'm doing this summer so I don't have to swap tires back and forth all week. I've tested a bit on those and they don't bounce but I had the boost ramp in slower on that track day. Plus they 90 lbs heavier as a set than my Hoosiers/Bogarts! Cost me over 2 mph at Bakersfield!

I think I'm going to need 4-5 good launches per set of tires to really dial it in. I'm going to Irwindale Sunday to hopefully get a bunch of passes in. Gonna just do half track runs and use the early turnoff to save time! Wish me luck.

Are you heading out to the track anytime soon?

 

[Mikeysy15]

My truck is 2650 now . So it’s 2900 with me in it. Lol. I would use the bogarts because their lighter .
I don’t know anybody that likes the M/T street SS for the Track . They don’t hook. Can’t believe the QTP’s didn’t work you. That’s a good tire . Hopefully you did well today and you got your PB. I’m about 2-3 months out before I finish but I will let you know.

 

[drhill]

wow, that's super light. What are you working on now?

The Et Street SS is a complete compromise tire for Race Week. I need something I can safely drive in a downpour but still have some grip at the track. I don;t want to swap all 4 tires twice a day for week! They actually did ok at Irwindale on Sunday - best 60 was 1.45 which is my best with this truck. I ran 1.4's all day even with spinning on several passes. And a few 6.0's at 118 at like 2500 DA. Would have been 5.90's on the hoosiers maybe a bit better with good air.

I think I can get it a little better if I put the hoosiers back on and dial back the power a bit. I was pushing the boost curve on Sunday to see what changes would eliminate the spin. I'm not going to spend more money on the suspension right now. It doesn't break anything and runs virtually the same on any surface. It just pulls the front tires if I try to launch harder. I have some plans for the truck to lose a couple hundred lbs while still keeping AC and hopefully add another 200 whp after the summer.

 

[Mikeysy15]

I understand . Great job at Irwindale. Well. Glad the tires worked out . I was gonna tell you the other M/T’drag radials are better then those . But if they worked good, just keep using them .

 

[drhill]

I understand . Great job at Irwindale. Well. Glad the tires worked out . I was gonna tell you the other M/T’drag radials are better then those . But if they worked good, just keep using them .

I agree, they for sure are better, but they have no tread, can't drive on them in the rain safely. In So Cal...no problem, back in the midwest, I didn;t want to chance it.