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Chryco's Tech Shop => Exhaust Systems => Topic started by: daryld on May 18, 2017 - 07:05:44 pm

Title: Doug's Headers sitting to low. What about TTI?
Post by: daryld on May 18, 2017 - 07:05:44 pm
Guys,

I am trying to avoid having to pay for custom built headers if possible. Every quote I got was around $2k. The Doug's I have only a few inches of ground clearance and I am wondering if any of you big block guys have better clearance with TTI or other brands? I have a Magnumforce K-frame so I cannot use the Tri-Y system or shorties because they will not clear, not even with a mini starter. I am looking for headers that will stay high and will allow my exhaust to hug the floor. If I cannot pick up another 2-3 inches than they are not worth changing.

Thanks for all your help.

Daryl 
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: Cudakiller70 on May 18, 2017 - 09:17:05 pm
just throwing it out there what about stock HP extruded? :dunno:
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: daryld on May 18, 2017 - 09:48:24 pm
I appreciate the reply but that would not fit the look of the car. Like the imagination though.
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: jason340 on May 19, 2017 - 09:29:22 am
70 Challenger 440 TTI headers. 4" from the collector flange to the ground with a 24 1/8" ride height at the center of the front fender wheel well. I hope this helps.
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: daryld on May 19, 2017 - 11:05:30 am
Certinely does. I believe TTI ground clearance has got to be better than what I have. Thanks!
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: burdar on May 19, 2017 - 04:55:43 pm
I'd research around some more. I think the Dougs small block headers are basically the same as TTI small block headers. The big block headers might be the same situation.

Maybe there is someone who can modify the ones you already have. Probably not cheap but should be less expensive than a brand new custom set.
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: Katfish on May 19, 2017 - 08:12:16 pm
Any long tube header will hang down in that area.
I'd be thinking about some shorties if stock manifolds are a no go.
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: daryld on May 20, 2017 - 10:33:09 am
I have considered shorties but Ken at Magnumforce told me that they were never able to make them work with his k-frame. So this rules out shorties. I looked at a Tri-Y set up but they do not work with my TKO, only auto or 4 speed. Hedman has a set of protouring mid length headers. I just sent them an email to see if they will work with my suspension. Let you guys know what they say. I just do not know how people with low ride height e bodies use long tube headers. Thanks for all your input.

Daryl
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: daryld on May 20, 2017 - 10:36:00 am
Which set of TTI are you running? I see a few options on their site. The 2 1/8 low deck step headers claim to give the maximum amount of ground clearance.
70 Challenger 440 TTI headers. 4" from the collector flange to the ground with a 24 1/8" ride height at the center of the front fender wheel well. I hope this helps.
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: jason340 on May 21, 2017 - 09:23:28 am
They are the TTI440-200c  2" primaries ,3 1/2 collectors long tube.
David
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: daryld on May 21, 2017 - 05:37:47 pm
Do you guys know how much adjustment there might be in the motor mounts? It does not appear that there is much difference between the Doug's and TTI full length headers, so I am not sure if swapping will gain me much ground clearance. Shorties may offer me more clearance but I apparently sacrifice noticeable hp and torque. I am wondering if raising the motor and changing the pinion angle can get me two inches. My exhaust is no where near the floor boards so I am wondering if making some adjustments may give me more ground clearance.

Please share your opinions. Thanks again for all the input.

Daryl
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: 73_Cuda_4_Me on May 21, 2017 - 06:08:13 pm
Your biggest gain would be by raising the back of the transmission, but you probably do not have much to work with there... it changes the angle of the header pipes, tucking them closer to the floorboards...

You could get almost a .75:1 or .8:1 gain with regular length headers, depending on where collectors are in relation to the tranny mount...
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: burdar on May 21, 2017 - 09:53:44 pm
That's why I suggested having your existing headers modified. Basically make each header two pieces. Turn them into a big slip tube. Cut the headers in half somewhere in the middle. Expand the tubes on one half so you can slide the other half of the header tubes together. This would raise the collector closer to the floor. Not easy or cheap but would probably be cheaper then custom.
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: Racer57 on May 21, 2017 - 10:17:17 pm
That's why I suggested having your existing headers modified. Basically make each header two pieces. Turn them into a big slip tube. Cut the headers in half somewhere in the middle. Expand the tubes on one half so you can slide the other half of the header tubes together. This would raise the collector closer to the floor. Not easy or cheap but would probably be cheaper then custom.
If header tubes were perfectly parallel to each other, that might be possible. 
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: xtopfuel on May 22, 2017 - 06:04:38 am
this is a great subject, I would think someone has purchased a set that fit well, I was considering the Dougs until I saw this thread because the ones I have currently the pitman arm hits and doesn't allow a full left turn, also low ground clearance
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: xtopfuel on May 22, 2017 - 06:09:17 am
I will have to try a set, hard to make a uturn as is lol
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: GoodysGotaCuda on May 22, 2017 - 10:33:17 am
If header tubes were perfectly parallel to each other, that might be possible.

And they probably aren't.


Sent from my iPhone using Tapatalk
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: burdar on May 22, 2017 - 11:11:00 am
I was just describing the basic idea.  It's obviously going to be more complicated then that.
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: 1 Wild R/T on May 22, 2017 - 04:10:02 pm
So what does Ken at Magnumforce say will fit properly & tuck in nicely?  Seems odd that they haven't done the research for their customers.....   :2cents:
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: daryld on May 22, 2017 - 05:14:39 pm
Ken recommends TTI and also sells the product.
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: Chryco Psycho on June 05, 2017 - 06:44:13 pm
I would start with a measurement from the header flange to the bottom of the pipe ,maybe the whole engine is sitting low causing the problem
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: shawge on June 05, 2017 - 06:59:08 pm
Do what Chryco says and take some measurements.

You got a TKO?  I think that is what I spy in your pics.
What is your engine/trans angle? I've got a TKO, BB,  and have 5 degrees down - my Dougs headers looks like yours. I plan to raise up the transmission like 73_Cuda_4_Me mentions. Shooting for 3 degrees - about 1" in spacers.  Raising the trans with a jack just 1/2" tucks in the headers nicely,
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: daryld on June 05, 2017 - 10:52:54 pm
No idea what the angle is but that is exactly what I am planning. I bought the car as is. I measure 1-1.5 inches of clearance between the trans and tunnel so I know there is room. I am also going to check the motor mounts to see if there is anything there. Because I recently had a 4-link installed I will have some room to adjust there too. If I can pick up another 1-2 inches I will be very happy. I will keep you posted and remember to send you the angle when done.
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: shawge on June 06, 2017 - 03:47:36 pm
You won't get much from the mounts. Biggest gain will be  from the trans mount.
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: daryld on June 06, 2017 - 04:15:57 pm
May not matter because I am seriously thinking about swapping the motor for a 6.4 392 Gen 3. Then I will be back to the drawing board with mounts and pinion angle but should get more clearance with small block headers anyway, I think. If I do make this switch I will be putting my Mopar Performance 440/6 pack up for sale. Motor will be turn key w the Doug's headers and March belt drive system. Will keep you all posted.
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: PLUM72 on June 27, 2017 - 05:19:56 pm
Small Block?  What about a set of '92 to '02 Dodge Dakota headers?  They have a swept back design that keeps things high.
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: daryld on June 27, 2017 - 09:36:19 pm
Small Block?  What about a set of '92 to '02 Dodge Dakota headers?  They have a swept back design that keeps things high.

Big block.
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: 340-FOUR- BARRELL on June 27, 2017 - 10:32:07 pm
A plausible alternative is side pipes.
Title: Re: Doug's Headers sitting to low. What about TTI?
Post by: shawge on August 29, 2017 - 02:18:49 pm
Still need to being the end of the TKO trans up otherwise the drive line angles would be set up for binding and vibrations.