to hole or not to hole!

Zeal69 · Nov 4, 2019

A question, I just bought a 70mm throttle body and was told that the opening needs to match up with the opening (didn't know) on the stock upper intake manifold and if it didn't that I could just dremel open the hole...WHAT!!! if I Dremel the manifold there will be no hole! Thoughts

the top pic is the TB and on the bottom is my stock IM

Wayne Waldrep · Nov 4, 2019

Simple. Scribe a 70mm line where the TB will be on the stock upper. Use the gasket to match it up. Grind material until it matches while carefully blending it into the intake. Hard to describe...very easy to do. Basic gasket matching. And it's been done thousands of times so there's probably some pics somewhere. I'll see if I find one.

Wayne Waldrep · Nov 4, 2019

Tmoss Porting

tmoss.efidynotuning.com

This link is to a TMoss page. He's a member here. There are pics to see what I'm describing. He does great work! Look for "Porting a stock mustang intake" and check it out.

90sickfox · Nov 4, 2019

Whatever you do....do not allow the metal shavings to get inside the intake. Stuff a rag in there and make sure no metal gets in there for it could be bad.

It's very easy to open up the intake. Just take your time and grind a little at a time.

Zeal69 · Nov 4, 2019

thank you!

Wayne Waldrep · Nov 4, 2019

90sickfox said:
Whatever you do....do not allow the metal shavings to get inside the intake. Stuff a rag in there and make sure no metal gets in there for it could be bad.

It's very easy to open up the intake. Just take your time and grind a little at a time.

Yes. I'm too paranoid to do anything like this without taking the part off the car.

Dan02gt · Nov 4, 2019

Save the throttle body for when you do a aftermarket intake and heads. It's a complete waste of your time to port a stock intake for a 70mm throttle body as the intake and heads are the majority of the restriction.

revhead347 · Nov 4, 2019

Wayne Waldrep said:
Tmoss Porting

Tmoss Porting

tmoss.efidynotuning.com

This link is to a TMoss page. He's a member here. There are pics to see what I'm describing. He does great work! Look for "Porting a stock mustang intake" and check it out.

TMoss is terrific. Amazing customer service, and product.

In reality though, I seriously doubt getting a perfect port blend between the throttle body and intake is going to make any measurable difference whatsoever. Theoretically that is a great idea, in reality, you are going to end up with a shard of metal in the combustion chamber. I'd just bolt it on and enjoy it.

Kurt

General karthief · Nov 4, 2019

I opened up the egr spacer and yeah, it's a waste of time.

Mustang5L5 · Nov 5, 2019

Dan02gt said:
Save the throttle body for when you do a aftermarket intake and heads. It's a complete waste of your time to port a stock intake for a 70mm throttle body as the intake and heads are the majority of the restriction.

I would have to agree. 70mm on a stock intake is a waste of time and a potential headache with idle.

Find yourself an explorer intake setup, and setup to swap it all on at once.

Also, you need an EGR spacer of some sort. Even if you delete the egr the throttle linkage connects to it and it keeps spacing with The intake tubing correct

Zeal69 · Nov 5, 2019

Wayne Waldrep said:
Yes. I'm too paranoid to do anything like this without taking the part off the car.

thank you

to hole or not to hole!

Zeal69

Member

Attachments

Wayne Waldrep

Before I post a pic, do you have one of yours?

Wayne Waldrep

Before I post a pic, do you have one of yours?

Tmoss Porting

90sickfox

Wasn't a pretty sight...and I've got big hands

Zeal69

Member

Wayne Waldrep

Before I post a pic, do you have one of yours?

Dan02gt

mazing how much gas smell came from that tiny hole

revhead347

Apparently my ex-husband made that mistake.

Tmoss Porting

General karthief

wonder how much it would cost to ship you a pair

Mustang5L5

That is…until I whipped out my Bissell

Zeal69

Member

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to hole or not to hole!

Member

Attachments

Before I post a pic, do you have one of yours?

Before I post a pic, do you have one of yours?

Wasn't a pretty sight...and I've got big hands

Member

Before I post a pic, do you have one of yours?

mazing how much gas smell came from that tiny hole

Apparently my ex-husband made that mistake.

wonder how much it would cost to ship you a pair

That is…until I whipped out my Bissell

Member

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