75 or 80mm TB

[DSM-ZERO]

ok im looking st getting either a 75 or 80mm tb

it going to be put on my VENOM intake manifold

i want to know what compny makes the best TB with a TPS that i can use
an help please
What have you used? What has worked for people in th past? Whats good? Whats grabage?

little about my car im going to be running 30-40psi of boost ih ave all the supporting mods i need to support that. The car is going to be running NHRA sport FWD next year or as soon as i get back from IRAQ....which is were iam right now. but i have a GT40R turbo full T4 in chase anyone wants to know

any help pllease

 

[DSM-ZERO]

ok im looking st getting either a 75 or 80mm tb

it going to be put on my VENOM intake manifold

i want to know what compny makes the best TB with a TPS that i can use
an help please
What have you used? What has worked for people in th past? Whats good? Whats grabage?

little about my car im going to be running 30-40psi of boost ih ave all the supporting mods i need to support that. The car is going to be running NHRA sport FWD next year or as soon as i get back from IRAQ....which is were iam right now. but i have a GT40R turbo full T4 in chase anyone wants to know

any help pllease

 

[BigRand]

Sounds like your going to have to have a custom TB made, as the biggest one I've heard of that is mass produced is the 60mm TB from Modernperforance and Howell.

I would just measure the opening of the venom intake manifold and match it to that.

 

[GVR4592]

How are you planning on adapting the larger TB to the Venom flange?

 

[DSM-ZERO]

there are a number of companies that make 75 or 80mm tb's.....like accufab, fast , bbk, edlebrock, hypertech....

the size of the inlet on the venom intake manifold dosent really matter because all i have to do is bore it out the inlet and drill and tap now holes to mount the tb

i just want to know wich TB out there to use and which one is the best

 

[DSM-ZERO]

yes i plan to port match the inlet to match to TB's

and if i ave to ill also drill and tap new holes for bolting the TB too

any fab work that needs to get done to mount the TB will be taken care of, im not to worried about that part of the install

 

[Defiant]

The ah..... the one thread's plenty.

 

[BigRand]

I'm not saying other companies dont' make TB's, I'm saying they don't make them specifically for the 420a intake manifold. If they're are please post a link

 

[4wd-Eclipse]

Check this part # BBK-1503 at summitracing.com

 

[DSMunknown]

This has been discussed quite recently (look at post #8 for a link):



http://dsmtuners.com/forums/showthread.php?t=244718

 

[4UH8ERS]

The biggest i have personally seen on the "420a" would be a holley 70mm TB.

 

[Blitzeclips]

ok im looking st getting either a 75 or 80mm tb

it going to be put on my VENOM intake manifold

i want to know what compny makes the best TB with a TPS that i can use
an help please
What have you used? What has worked for people in th past? Whats good? Whats grabage?

little about my car im going to be running 30-40psi of boost ih ave all the supporting mods i need to support that. The car is going to be running NHRA sport FWD next year or as soon as i get back from IRAQ....which is were iam right now. but i have a GT40R turbo full T4 in chase anyone wants to know

any help pllease

70-80 mm is going to be a custom job. So it the TPS for it.
30-40 psi on a GT40R is going to blow that motor. Fully supporting mods or not.
GTR40 and full T4? Did you swap housings or what?

Post the link when you can for that 80mm you've seen.

 

[DSM-ZERO]

lets plase stay on subject any Q's about my turbo set up please pm me

anyway im lookin at the F75 TB and the 1016 TPS sensor from http://accufabracing.com/

i know it is a custom job that part dose not bother me at all
my turbo
is a garrett GT40R 67mm inducer .82 ar hot side full T4 that i got from percision ....you can order it in a T4 exhaust W/ a 3inch V-band discharge flange just like mine......im looking at big boost here people
and the NEONS have been boosting 30-40psi on the 420a alot longer that we have been it is a proven motor .
trust me im not going to build this motor just to go out and blow it....im using a prologer wideband 02 w/ a never lean so my motor will cut off before boom even happens

any other suggestions on wich TB i should go with

 

[Locke]

the head is more of a restriction than anything else.. TB's just tend to make the car snappier... more responsive. If you have an awesome race-port (and huge bumpstick, valves, etc..), you can get more air in with less boost. Ported/Oversize TB's do little to help your total power. More displacement will also get more air with less boost. Although i suppose your right, slightly off topic.

 

[DSM-ZERO]

yes my head is port and polsihed and i have a 5angle valve job on both intake and exhaust .....also a little bit of bowl work was done too......as for cams dont have them yet trying to decide what i want ....im think about a custom grind throw Crower ....though.....
but your right it will do little to help my total power BUT it will be less restrictive and ill be able to cram a lot more air into the manifold but
is there anything that anyone has heard bad about any TB's out there

 

[Locke]

i dont know either way. but, really its a big hole with a plate. Id imagine, as long as the butterfly closed properly, and the butterfly shaft is of halfway decent quality, i dont see any TB being bad.

I'd have to say get the accufab 75mm, install it, and let us know how it went.... and how it feels on the car.

Good luck

 

[Blitzeclips]

Rod and pistons have been known to melt/throw even at 12 psi on a built block. The boost you are putting onto that motor is VERY different then normal PRO FWD drivers.

They rebuild those engines almost every race, and probably between pulls to tell you the truth. That's why you'll see someone jump out of the hole then cut the motor with 1200 feet on the 1/4 left. Because there was a problem with the motor/feul, etc., to the point where power cut was needed before MAJOR damage is done.

You can boost 30-40psi but it probably won't last more then 2 runs, if that.

I don't meen to dog ya man, I'm just giving facts here.
My motor is more built then yours and I'm nervous about more then 25 psi..

Regardless, good luck with the project..

That TB will need some custom work to fit BTW..

 

[DSM-ZERO]

yea i think im gonna go with the accufab TB as soon as get home i post new pics of my set up...so people dont hate and relize that this car is very serious

 

[bullettdsm]

Before you do, you might want to do a search on the Accufab. I didn't want to say anything because I don't have first hand knowledge (I was waiting for others to chime in) but when I was researching for my 1g I saw a bit of problems with the accufab breaking butterflies under high HP, high boost situations. That info will obviously not be in the 420a forum.

Food for thought,

MB

 

[DSM-ZERO]

Before you do, you might want to do a search on the Accufab. I didn't want to say anything because I don't have first hand knowledge (I was waiting for others to chime in) but when I was researching for my 1g I saw a bit of problems with the accufab breaking butterflies under high HP, high boost situations. That info will obviously not be in the 420a forum.

Food for thought,

MB

i have heard the same thing and have talked to them .....they calim that if too much pressure is applided to the shaft from the cable it will cause stress and it will break
BUT......
that also happens when you buy a TB for an applaction other than it was attened for
ie. a mustange TB on an ECLIPSE.....
but
i dont know i guess it is a risky situation other that the accufab one i have been looking at this one too

http://www.jegs.com/webapp/wcs/stores/servlet/category_10001_10002_41765_-1_10703

but it is like 200$$ more than the accufab one
but i think it is worht it il probbly save up and get it

 

[bullettdsm]

Just one thread you may be interested in. I don't always trust the dealer's opinions on their own parts.

http://www.dsmtuners.com/forums/showthread.php?t=82160&highlight=accufab+75

MB

 

[DSM-ZERO]

yea it sounds like alot of pain in the ass it almost makes me waht to stay stock BUT phuck that.......
The TB is one of the biggest restrictor of airflow in a turbo system, by just getting a bigger one i can alleviate this problem..........and more air will flow into my manifold wich means more power....

but it looks like as long as my throttle cable is straight and my BOV opens up fast enough and i have a good throttle stop and cable stop.....i should be good..

but wich one should i get still mmmmmmmmm

the jegs fast unit
or
accufab one
what do you guys think

 

[awddynamite]

i say get the accufab, just make sure you have a lite spring in your BOV, as having a stiffer setting for your BOV causes excess air to pretty much blast the butterfly on the TB.

accufab has worked for us just fine and we have broken other TB's before.

 

[4UH8ERS]

With ("good tuning") as you say, he will not have to getter better rods than eagles. for some reason i just don't see this guys car putting down over 600whp. (which probably still wouldnt break a rod)

BTW: you need to focus your efforts with this kind of car your building on. power transfer and efficiency. your tranny, tires, suspension, aerodynamics ect ect, which you already know im sure, is what will make use of the power and lower your ETA's dramatically.

gl on the car

 

[DSM-ZERO]

i have seen Eagle H beam rods go through some abuse Steve Oakes runs Sport FWD in colorado and he puts out over 800hp and he is using eagle rods there are alot of hondas here in colorado that use eagle h beams and put out over 600whp.....BUT we will have to see........

if anyone is intrested i go home in janurary for two weeks leave from this hell hole "iraq" and im gonna take some pics of my car and set up...to show evertone that im not bullshitting...K...my car is in the body shop right now getting work done and as soon as it gets out it goes right to the fab shop www.pfispeed.com hit them up they will tell you that the eagles can put up with alot of boost and people dont give them enough credit but call them......talk to Paul...

ok back on subject im still trying to decide the 500$ tb or the 300$ tb....mmmmmm......personal i dont see anything wrong with the accufab.....breakin things is just part of racing and a fact of life..."if your not breaking things your not going fast" right.....right

as far as tranny it has a quafie lsd , all new gears and syncros, and i have a fx600 twin disc kevlar/kevlar and an alumin flywheel from clutch masters....should be good enough for now

im gonna do a little more resharch and see what i can dig up and in 2 weeks or less ill decide....