header tube size

black bullet · 01-17-2009, 06:24 PM

what size primary are you using going in to the collectors?

DallasGT01 · 01-17-2009, 07:12 PM

which motor modular or pushrod?? CI???

Trav4011 · 01-18-2009, 02:59 AM

Really depends on the power level.. I use 1.5" to 1.75" I.D. primaries up to around 800hp. Anything over 900, for sure, you should be running 1.75" to 2" primaries.

Travis

turbodgumby · 01-18-2009, 03:16 AM

His is a genII, And I was doing some reasearch there Jonboy. And I agree with the 1 3/4 primaries. Call me I'll be at track in Houston tommorrow.

DallasGT01 · 01-18-2009, 06:21 AM

is there some kinda build we should know about lol... if he is looking to make over 800 then damn share teh details.. either way share the build details..

what size turbo are you looking at...

black bullet · 01-18-2009, 02:17 PM

Quote:

Originally Posted by DallasGT01

is there some kinda build we should know about lol... if he is looking to make over 800 then damn share teh details.. either way share the build details..

what size turbo are you looking at...

There is going to be a build going on, just trying to find some info befor i put the welder to work, as for turbo i am looking at a 76 GTS, not trying make big big power but just enough say 650 to 700. I have though about it long and hard and i just cant just see spending over 4 grand for a different blower, when i can build a turbo kit for half that price. So yes there is going to be a build as soon as i get my turbo mustang tuned so i cant put the L down.

typhoon43 · 01-18-2009, 11:05 PM

Quote:

Originally Posted by black bullet

There is going to be a build going on, just trying to find some info befor i put the welder to work, as for turbo i am looking at a 76 GTS, not trying make big big power but just enough say 650 to 700. I have though about it long and hard and i just cant just see spending over 4 grand for a different blower, when i can build a turbo kit for half that price. So yes there is going to be a build as soon as i get my turbo mustang tuned so i cant put the L down.

I used Flipped Ford Shorties with my 76mm setup. I believe they are 1.5" primaries.

black bullet · 01-19-2009, 12:08 AM

Quote:

Originally Posted by typhoon43

I used Flipped Ford Shorties with my 76mm setup. I believe they are 1.5" primaries.

Ya i though about the flipped header deal but, i cant find any that i like to use. so i just rather build my own, i am quit picky on the way things look and how they work.

turbodgumby · 01-19-2009, 09:59 AM

I can vouch for him being picky. LOL

I was looking and think the new precision 80mm GTS would be bad-*** or an ST-80

DallasGT01 · 01-19-2009, 10:05 AM

you know 1 wont be enough why use 2???

turbodgumby · 01-19-2009, 01:28 PM

he doesnt want to copy me. lol

DallasGT01 · 01-19-2009, 02:56 PM

Quote:

Originally Posted by turbodgumby

he doesnt want to copy me. lol

are you doing twins?? if so what size???

oiN8io · 01-19-2009, 02:56 PM

I made 1040/992 with 1.625" primaries.. Any bigger would just hurt spool time at my elevation. I don't believe bigger primaries are really going to help anyone making less than 1200rwhp. They'll just cause a drop in velosity and decrease spool time.

oiN8io · 01-19-2009, 02:58 PM

Also, I'm building my friends single gt4276 03 cobra and using 1.625" on his headers as well. His car should make close to 900

DallasGT01 · 01-19-2009, 03:54 PM

Quote:

Originally Posted by oiN8io

I made 1040/992 with 1.625" primaries.. Any bigger would just hurt spool time at my elevation. I don't believe bigger primaries are really going to help anyone making less than 1200rwhp. They'll just cause a drop in velosity and decrease spool time.

what would you reccomend for over 1200???

i am wanting to do a big bore billet stroker (push the liters to over 6) down the road so my turbo's are sized accordingly... i would hate to do headers 2x...

i was thinking 1.75" primaries if not 2" 2" is getting alittle extreme i think...

btw i deleted where you got your parts (tubing) from... could you send me another PM with it... theres one here in dallas...

01-17-2009, 06:24 PM	#1 (permalink)
black bullet Registered User Join Date: Oct 2006 Location: SA TEXAS Posts: 106 View this user's gallery iTrader: 0 / 0%	header tube size what size primary are you using going in to the collectors?

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01-17-2009, 07:12 PM	#2 (permalink)
DallasGT01 ALL TALK NO WALK!!! Join Date: Sep 2007 Location: FRISCO TEXAS!!!! Posts: 2,005 View this user's gallery iTrader: 0 / 0%	which motor modular or pushrod?? CI???

01-18-2009, 02:59 AM	#3 (permalink)
Trav4011 Supporting Vendor Join Date: Aug 2008 Location: Houma, LA Posts: 1,016 View this user's gallery iTrader: 0 / 0%	Really depends on the power level.. I use 1.5" to 1.75" I.D. primaries up to around 800hp. Anything over 900, for sure, you should be running 1.75" to 2" primaries. Travis

01-18-2009, 03:16 AM	#4 (permalink)
turbodgumby GOT BOOST?? Paid Member Join Date: Jan 2009 Location: Port Acres, TX Posts: 1,192 NLOC member #: 2673 View this user's gallery iTrader: 0 / 0%	His is a genII, And I was doing some reasearch there Jonboy. And I agree with the 1 3/4 primaries. Call me I'll be at track in Houston tommorrow.

01-18-2009, 06:21 AM	#5 (permalink)
DallasGT01 ALL TALK NO WALK!!! Join Date: Sep 2007 Location: FRISCO TEXAS!!!! Posts: 2,005 View this user's gallery iTrader: 0 / 0%	is there some kinda build we should know about lol... if he is looking to make over 800 then damn share teh details.. either way share the build details.. what size turbo are you looking at...

01-19-2009, 09:59 AM	#9 (permalink)
turbodgumby GOT BOOST?? Paid Member Join Date: Jan 2009 Location: Port Acres, TX Posts: 1,192 NLOC member #: 2673 View this user's gallery iTrader: 0 / 0%	I can vouch for him being picky. LOL I was looking and think the new precision 80mm GTS would be bad-*** or an ST-80

01-19-2009, 10:05 AM	#10 (permalink)
DallasGT01 ALL TALK NO WALK!!! Join Date: Sep 2007 Location: FRISCO TEXAS!!!! Posts: 2,005 View this user's gallery iTrader: 0 / 0%	you know 1 wont be enough why use 2???

01-19-2009, 01:28 PM	#11 (permalink)
turbodgumby GOT BOOST?? Paid Member Join Date: Jan 2009 Location: Port Acres, TX Posts: 1,192 NLOC member #: 2673 View this user's gallery iTrader: 0 / 0%	he doesnt want to copy me. lol

01-19-2009, 02:56 PM	#13 (permalink)
oiN8io In the CLOWDS!! Join Date: Oct 2005 Location: Albuquerque, NM Posts: 1,877 View this user's gallery iTrader: 16 / 100%	I made 1040/992 with 1.625" primaries.. Any bigger would just hurt spool time at my elevation. I don't believe bigger primaries are really going to help anyone making less than 1200rwhp. They'll just cause a drop in velosity and decrease spool time.

01-19-2009, 02:58 PM	#14 (permalink)
oiN8io In the CLOWDS!! Join Date: Oct 2005 Location: Albuquerque, NM Posts: 1,877 View this user's gallery iTrader: 16 / 100%	Also, I'm building my friends single gt4276 03 cobra and using 1.625" on his headers as well. His car should make close to 900