Group Buy - 100 Series Headers (3 Viewers)

[CrusrDug]

I'm looking at the torque gain on this chart. Is it generally expected, after the addition of headers, to gain this much torque at the low end? At 2000 rpm it looks like it goes from roughly 60 to 155 ft lbs which is over 150%. Seems pretty good even on the low end.

 

[AATLAS1X]

I really, really, really want in on this.......Is there a ETA on the start? Or when I would need to pay up?

 

[hoser]

Doug, you compare the upper black (no header) with the upper red (w/ header) line... so the graph is showing a ~10lb-ft gain at 2k rpm.

 

[Bull Cruiser]

Bull Cruiser, I don't really understand what you're trying to do. Please stay out if it and lets continue with Dougs. Thank you for your understanding. Perhaps we'll meet someday and shake hands. I'd really like to see this project come together. Please wait to see how it goes with Dougs. If they can't or won't do it then lets explore other vendors.

Okay.... I'm very sorry for contacting over 30 header companies in North America, I just had some free time on my hands. I might be leaving the group buy.....


because I found a company that makes headers in North America for the Land Cruiser but I don't know if they will pass California emission tests because they are not made in California..... However, I don't care because we don't have those dumb emission tests in FL.


this is the e-mail I received from a header company

"We manufacture headers for just about every Toyota Land Cruiser model available worldwide & we sell them in many countries, UAE is our #1 buyer. We do have headers for the 4.7 100 series & we can supply them ceramic coated or just plain mild-steel finish . The only catch is the flanges at the bottom of the headers are not orientated to bolt on to the stock downpipes , they are designed to attach to a custom free-flow down-pipe . So if you have access to a custom exhaust shop which can build custom down-pipes , no problem we have product ready to go. These headers make great power as they are designed & used in a state where emission controls haven't been passed into law yet . "


You can remove me from the list, I no longer need the Thorley's but I thank uzj100 for all his hard work..... Good Luck & I'll keep you all up to date when I get the headers and have them tuned and dyno'd.

 

[CrusrDug]

Doug, you compare the upper black (no header) with the upper red (w/ header) line... so the graph is showing a ~10lb-ft gain at 2k rpm.

Thanks for the clarification as I'm a frickin' NOOB on headers(and obviously reading dyno charts too)!

My needs are for more low end when towing my boat out of steep grades. I need more at that 2k to 3k range.

 

[hoser]

2/4LO isn't giving you enough torque?

 

[CrusrDug]

2/4LO isn't giving you enough torque?

It's more when it shifts and the total weight plus grade is too much when the RPM's drop between gears. I have plenty in 1st gear. I'm usually not going very fast going around turns and pulling out from where this lake is, but at times I do get up there in speed. I can't recall what the max speed is in LO.

Their are other times too that I feel it just pulling around town. Coming from a stop immediately to a grade and I have to stomp on it just to keep the rpm's up. Otherwise I will be creeping along. Again it's from first to second.

Regarding the headers, I don't know if an extra 10 ft-lb is enough to make a difference in that rpm range.

 

[hoser]

Well, at 2300 RPM, it shows a 20ft-lb gain, which is roughly 10%. That should be noticeable. If you tow a lot, maybe consider regearing your diffs. Gearing is a torque multiplier.

 

[CrusrDug]

Well, at 2300 RPM, it shows a 20ft-lb gain, which is roughly 10%. That should be noticeable. If you tow a lot, maybe consider regearing your diffs. Gearing is a torque multiplier.

Yes, and it's right at the general area of the shift point. I might have to be the guinea.

I thought about re-gearing, but don't you lose top end with that?

This is my DD and I like the top end. I want it all with one mod Diesel anyone??

 

[100 TD]

Those who haven't confirmed please do so via PM to me (100 TD) on behalf of uzj100.
Anyone else please sign up and PM me your confirmation.

1. uzj100 CONFIRMED The man behind this great project
2. 2000UZJ CONFIRMED PM'd 1/30/10
3. 1loudLX CONFIRMED PM'd 1/29/10
4. CrusrDug
5. jellyroll (possible loan vehicle)
6. farinvail CONFIRMED PM'd 1/29/10
7. spressomon CONFIRMED PM'd 1/29/10
8. siglo CONFIRMED PM'd 1/29/10
9. boze_man
10. staggrlee
11. HWY22
12. Skolfoppa
13. Craabs
14. FOPLawyer CONFIRMED PM'd 1/30/10
15. hoser (budget probs, he needs them big time though!)
16. i4c4lo

 

[AATLAS1X]

Doug Thorley Header, Toyota Land Cruiser 5.7L Ceramic Long Tube
N/A 56 ft-lbs Torque & 34 HP gain @ 3200RPM (rear wheel gain on DynoJet Dyno) Tri-Y Construction Ceramic Coated Inside & Outside


For the 200 series..

Posting only to show numbers

 

[1loudLX]

Maybe I should just get a 200? Long tube DTs are already ready, along with a TRD blower for that 5.7L.

 

[100 TD]

8 confirmed, c'mon guys you are dragging the chain here, please confirm your intentions via PM to me (100 TD) on behalf of uzj100.
Anyone else please sign up and PM me your confirmation.

1. uzj100 CONFIRMED The man behind this great project
2. 2000UZJ CONFIRMED PM'd 1/30/10
3. 1loudLX CONFIRMED PM'd 1/29/10
4. CrusrDug
5. jellyroll (possible loan vehicle)
6. farinvail CONFIRMED PM'd 1/29/10
7. spressomon CONFIRMED PM'd 1/29/10
8. siglo CONFIRMED PM'd 1/29/10
9. boze_man
10. staggrlee
11. HWY22
12. Skolfoppa
13. Craabs
14. FOPLawyer CONFIRMED PM'd 1/30/10
15. hoser (budget probs, he needs them big time though!)
16. i4c4lo CONFIRMED 2/4/10

 

[boze_man]

his dudeness is sorry guys i just havent had a chance to read this thread or reply to the PM's...i have been to busy tryin to buy another LC...

in a nutshell do these 'bolt right up' ?
no major exhaust mods ? bolt and go?
o2 sensors still work?
642$ plus shipping (<100$)...so worse case no more than 742 clams?

 

[uzj100]

Bolt right up - Yes
Bolt and go - Yes
O2 sensors work, no CEL - Yes
20 orders - < $742 delivered

 

[boze_man]

the dude confirms

 

[100 TD]

9 confirmed, c'mon guys you are dragging the chain here, please confirm your intentions via PM to me (100 TD) on behalf of uzj100.
Anyone else please sign up and PM me your confirmation.

1. uzj100 CONFIRMED The man behind this great project
2. 2000UZJ CONFIRMED PM'd 1/30/10
3. 1loudLX CONFIRMED PM'd 1/29/10
4. CrusrDug
5. jellyroll (possible loan vehicle)
6. farinvail CONFIRMED PM'd 1/29/10
7. spressomon CONFIRMED PM'd 1/29/10
8. siglo CONFIRMED PM'd 1/29/10
9. boze_man CONFIRMED Post 116 2/4/10
10. staggrlee
11. HWY22
12. Skolfoppa
13. Craabs
14. FOPLawyer CONFIRMED PM'd 1/30/10
15. hoser (budget probs, he needs them big time though!)
16. i4c4lo CONFIRMED 2/4/10
17. cmfhsu

 

[1loudLX]

WTF how did bozeman confirm tomorrow, today?

 

[cmfhsu]

I might be in if I can rustle up the cash. No promises, though. Just trying to get everyone towards that 20 people

 

[100 TD]

WTF how did bozeman confirm tomorrow, today?

I alway thought you guys were a bit behind!