SARD ITB (4 Throttle) News!

[Summerwolf]

Originally Posted by Tokay444

Sorry, who are you?

and who are you?

[Tokay444]

Originally Posted by Summerwolf

and who are you?

I'm a nobody wondering why another nobody is quoting my post.

[Spawn_Of_Creation]

Inb4 no gains.

If there are gains to be had, it would be in the 8500+ rev range where the stock plenum has restrictions.

[nikitopo]

I wonder what the guys will say now, when they where questioning in the past that the stock throttle body is large enough and it does not create any restriction.

[Tokay444]

Originally Posted by Spawn_Of_Creation

If there are gains to be had, it would be in the 8500+ rev range where the stock plenum has restrictions.

This engine does not like to rev that high without more work.

[venturaII]

Brilliant. Never would've thought that.

[PuslarBrrrz]

Wow very different ideas on plenum sized between them and Greddy.

[gtengr]

Originally Posted by ajh88

Curious what this or the Greddy achieves. If slight gains, then maybe some great sounds?

It should sound different at the very least.

I don't think one can draw any sort of worthwhile conclusions just from looking at it. This is a wholesale change to a part of the intake tract that is more sensitive to geometry than whatever miniscule flow restrictions are in the stock manifold. If they made calculated changes based on the engine harmonics then this could have some surprising results and changes to the power curve.

[mav1178]

Originally Posted by Spawn_Of_Creation

If there are gains to be had, it would be in the 8500+ rev range where the stock plenum has restrictions.

Tell that to Nissan, who put this type of system on the R32-34 Skyline GT-R as a factory design with a rev limit of 7500, same as our engines.

This type of mod isn't for the average end user, it's for specific types of people that have some need that can't be addressed via other aftermarket parts. Judging by the type of responses these two ITB threads have given, it's safe to say 99% of the end users will be happy with a good header paired up with a tune and factory intake box.

[Tokay444]

Originally Posted by mav1178

Tell that to Nissan, who put this type of system on the R32-34 Skyline GT-R as a factory design with a rev limit of 7500, same as our engines.

This type of mod isn't for the average end user, it's for specific types of people that have some need that can't be addressed via other aftermarket parts. Judging by the type of responses these two ITB threads have given, it's safe to say 99% of the end users will be happy with a good header paired up with a tune and factory intake box.

Apples to oranges.
You're neglecting the fact that's a boosted motor.

[myasis14]

@mav1178 isn't neglecting anything in his statement. Right off the bat he's addressing that what he's saying is for the average 86 owner, and what this really means for that type of customer in terms of cost/benefit. He's been in the industry for a very long time, and his statements are typically not geared towards selling products as much as they are to steer people modifying their cars in the right direction.

[Tokay444]

Originally Posted by myasis14

@mav1178 isn't neglecting anything in his statement. Right off the bat he's addressing that what he's saying is for the average 86 owner, and what this really means for that type of customer in terms of cost/benefit. He's been in the industry for a very long time, and his statements are typically not geared towards selling products as much as they are to steer people modifying their cars in the right direction.

The potential gains from an ITB setup on a boosted car are SUBSTANTIALLY different than in a small displacement NA car. ESPECIALLY in the rev ranges below 8500rpm.
It’s an apples to oranges comparison, full stop.
Maybe you missed the entire first paragraph of his comment.

[fika84]

Originally Posted by Tokay444

The potential gains from an ITB setup on a boosted car are SUBSTANTIALLY different than in a small displacement NA car. ESPECIALLY in the rev ranges below 8500rpm.
It’s an apples to oranges comparison, full stop.
Maybe you missed the entire first paragraph of his comment.

Having a hard time figuring out why you're even trying to "contribute" to this thread. You obviously don't like the idea of ITB's on this car.. there are plenty of other threads and people you can harass.

[mav1178]

Originally Posted by Tokay444

The potential gains from an ITB setup on a boosted car are SUBSTANTIALLY different than in a small displacement NA car. ESPECIALLY in the rev ranges below 8500rpm.
It’s an apples to oranges comparison, full stop.
Maybe you missed the entire first paragraph of his comment.

I brought up the RB26DETT because it's a factory car. Boosted or not, the engine revs to 7500 so it's ESPECIALLY relevant in the RPM range you listed.

Tell me, what was Nissan's reasoning for including this on the RB26DETT but not have it on the RB25DET?

I wasn't trying to compare gains from an ITB setup on a 2.0L FA20 to the factory ITB setup on a 2.6L RB26DETT. I was merely pointing out that it doesn't take 8500RPMs for there to be some type of benefit from ITBs.

Whether the gains are worth the price paid is up to the end user, which is not 99% of people wanting to mod the FA20.