ITBs on a ph1

[Ph1 Tom]

After Christmas and our anniversary in Feb I'll be looking into getting the DTH kit from KTec with the Gen90.

I've been umming and ahhing for ages now about what route to take but I love ITBs...

So what are the longest trumpets I can fit on a ph1?

The bonnet catch will be going and a smaller rad to make room. I just want the biggest I can get in without any serious butchering!

 

[NorthloopCup]

I thought the issue with the ktec dth kit is that you can't run much longer trumpets due to the angle the bodies come off the cylinder head? Could be wrong though, but I'm sure I read it on here somewhere. I'm sure it was an issue with the air filter touching the bonnet. I'll have a search and see if I can find the thread.

 

[NorthloopCup]

Here you go.

http://www.cliosport.net/forum/showthread.php?721761-Difference-between-itb-trumpet-sizes/page2

 

[mark123]

Ph1 has less room in that area as well, the bonnet drops down closer to the engine. The ktec DTH kit comes with 60mm trumpets I think, but I think I've heard some people say the bodies are longer so don't need as long a trumpets as the generic Jenvey ones. I don't know if that is true or not.

You can get 120mm trumpets on a ph1 with the generic Jenvey bodies.

 

[fake ben taylor]

with 60mm trumpets the ktec kit is 240mm overall length if someone can measure their universal jenveys?

 

[Ph1 Tom]

Yeah I'm aware the ph1 has less room

Useful info on the length, could do with knowing the Jenvey length.

 

[Silent_Scone]

Ph1 has less room in that area as well, the bonnet drops down closer to the engine. The ktec DTH kit comes with 60mm trumpets I think, but I think I've heard some people say the bodies are longer so don't need as long a trumpets as the generic Jenvey ones. I don't know if that is true or not.

You can get 120mm trumpets on a ph1 with the generic Jenvey bodies.

It's too tight IMO. Even with the skin removed.

 

[Chip-mk1]

Just get a proper jenvey setup instead IMHO.

 

[NorthloopCup]

The way I see it is you've got 4 options:

1) buy the ktec dth bodies and accept its restrictions/limitations
2) buy the ktec dth bodies and use the angle spacers that you can buy off Jenvey so you can run different length trumpets and *possibly* have no air filter packaging issues
3) buy the ktec dth bodies and cut a big f**k off hole in the bonnet for the filter to stick out of (ahem - would look s**t!)
4) buy a full Jenvey setup that gives some scope for different length trumpets

 

[fake ben taylor]

If the ktec kit on 90s is the same length as generic on 120s then it will make no difference? If anything the angle of the ktec kit gives greater scope for length in a similar way to the pure Motorsport inlet.

Anyone got some of the generic ones?

 

[Cup_Phil]

I wouldn't buy the DTH kit from K-Tec if I had a ph1. The angle of them is really anti-social when it comes to bonnet clearance.

The "proper" kit from Jenvey is about the same price anyway

^^ What the hell are "generic" bodies? nothing you wrote makes any sense. The k-tec kit angles upwards which is just stupid, if anything you want them angling down more towards the front grill

 

[Chip-mk1]

What the hell are "generic" bodies?

By "Generic" he means not application specific like the DTH kit, ie ones that based on using an appropriate base manifold can be fitted to any engine.

 

[fake ben taylor]

I wouldn't buy the DTH kit from K-Tec if I had a ph1. The angle of them is really anti-social when it comes to bonnet clearance.

The "proper" kit from Jenvey is about the same price anyway

^^ What the hell are "generic" bodies? nothing you wrote makes any sense. The k-tec kit angles upwards which is just stupid, if anything you want them angling down more towards the front grill

Why doesnt anything i have written make any sense?

Generic bodies are the universal ones that mount to a relevant manifold to bridge the gap from engine to universal bodies.

the upwards angle of the ktec bodies potentially gives more scope for length with a set of angled spacers before hitting the grill than a set pointing straight out from the engine. Like i said above this is something pure have used by having an upwards angled inlet that curves back down. in a sense this ' ^' is a longer length than this ' - ' in the same space.

and as ive asked what is the length of the generic bodies on a suitable manifold as the ones ive had in my hand are a lot shorter than the ktec kit, sadly i didnt think to measure them at the time. i suspect the generic stuff on 120's is more or less the same as the ktec kit on 90's making the whole argument between it all completely pointless.

 

[Cup_Phil]

Right ok so "generic" you mean the SF individual bodies. Got you

I think you're getting a bit bogged down on the fact that the DTH bodies are longer than the SF bodies with manifold (and to be honest from what I've seen they aren't - I'm not sure why you think they are)

Fitting angled spacers to bring the bodies back down gives you a sharp angle in the intake which isn't ideal. There's nothing stopping you fitting spacers between the inlet manifold and the sf bodies to further increase the inlet length, or indeed just using longer trumpets.
Just because 120 is the longest Jenvey make doesn't mean you can't get longer.

I just wouldn't start with a setup that bolts directly to the head at the wrong angle. It seems daft.
Also from a re-sale point of view you can only ever sell them to clio owners which is a limited market whereas the SF bodies can be sold to loads of different people

 

[Chip-mk1]

Its not sharp in the angled spacers Phil, its a smooth radius curve.

 

[NorthloopCup]

Scrap fitting the angled spacers. They're all SF flange but the ktec dth bodies are what looks like dcoe where the trumpet bolts on. You can possibly buy adapters, but f**k that for a laugh. It'd cost a fookin fortune.

 

[Cub.]

I take it you'll be getting the Gen90 mapped somewhere?

 

[Chip-mk1]

I take it you'll be getting the Gen90 mapped somewhere?

Thats another issue with the Ktec kit, the lack of choice in who maps it for you.

 

[Ph1 Tom]

Jenvey do some nice 110mm 40 degree angled trumpets.

And this is in interesting read regarding trumpet angle. http://www.emeraldm3d.com/articles/dec2012/


I would get the Gen90 with the software and take it to my local(ish) mapper who does GEMS. Or I could go to RS Tuning, I took it there last so it would be a good comparison. Although both places run Dyno Dynamics rollers.

 

[Cub.]

Good to hear on the mapping front.

 

[NorthloopCup]

Jenvey do some nice 110mm 40 degree angled trumpets.

Remember you've got to fit an air filter/box still mate. You'd need a custom fabricated to accommodate the curve on the trumpets.

 

[Ph1 Tom]

Remember you've got to fit an air filter/box still mate. You'd need a custom fabricated to accommodate the curve on the trumpets.

I'd run ramair filters, I did testing on my 195bhp zetec, it made 197 without filters and 195 with them.

http://www.ebay.co.uk/itm/2-x-RAMAI...arts_Vehicles_CarParts_SM&hash=item5aef9ef8b6