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Mini68
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PostPosted: Thu Jan 14, 2010 7:03 pm 
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There is a little bit of info on the howley manifold in the link below and also in Vizards big yellow book starting on page 134.

http://www.minimania.com/web/SCatagory/ ... ticleV.cfm
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Phat Kat
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PostPosted: Thu Jan 14, 2010 7:03 pm 
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drmini in aust wrote:
IMO if a manifold doesn't flow well there's no point using it.
The GR manifold outflows all the others hands down, it is worth the slight body mods needed to make it fit.


Some one well know here once said

Quote:
It is very important to remember what you are building the motor for. If it s going to be a daily driver, or used for weekend cruises, then build it for that. Don't go overboard with a big head, lumpy cam, manifold and exhaust which would be more suited to a race engine. Instead, aim to get a good spread of torque from low down. It will be much better to drive than a motor which doesn't start to make power until around 4,500-5,000rpm.


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Phat Kat
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PostPosted: Thu Jan 14, 2010 7:04 pm 
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Mini68 wrote:
There is a little bit of info on the howley manifold in the link below and also in Vizards big yellow book starting on page 134.

http://www.minimania.com/web/SCatagory/ ... ticleV.cfm


Thanks Mini68 :)
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drmini in aust
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PostPosted: Thu Jan 14, 2010 7:27 pm 
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Phat Kat wrote:
drmini in aust wrote:
IMO if a manifold doesn't flow well there's no point using it.
The GR manifold outflows all the others hands down, it is worth the slight body mods needed to make it fit.


Some one well know here once said

Quote:
It is very important to remember what you are building the motor for. If it s going to be a daily driver, or used for weekend cruises, then build it for that. Don't go overboard with a big head, lumpy cam, manifold and exhaust which would be more suited to a race engine. Instead, aim to get a good spread of torque from low down. It will be much better to drive than a motor which doesn't start to make power until around 4,500-5,000rpm.

This manifold is da bomb on a tuned roady 1098 or anything bigger. It has good torque all the way up due to its length and volume, but it is a bit big perhaps for a mild roady 998...

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Phat Kat
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PostPosted: Thu Jan 14, 2010 7:43 pm 
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drmini in aust wrote:
This manifold is da bomb on a tuned roady 1098 or anything bigger. It has good torque all the way up due to its length and volume, but it is a bit big perhaps for a mild roady 998...


Hmmmm, 10%.. no 20%.... no gotta be 30%...


Sorry, just trying to work out what your commision is doc :wink: :lol: (joking, joking :) )

Nah, sounds good :)

It certainly looks like it would flow fast thats for sure...

Actually, it looks like it could be the great grand kid of a Janspeed one that was a rip off of a Downton one.. they did flow very well.
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drmini in aust
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PostPosted: Thu Jan 14, 2010 7:56 pm 
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No I'm not on commission. But I have machined a couple of castings for moi, and a member in Portugal. :wink:
Here's 2 more pics.. of the HIF angled one.
Image
Image

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


Last edited by drmini in aust on Thu Jan 14, 2010 9:56 pm, edited 1 time in total.

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gafmo
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PostPosted: Thu Jan 14, 2010 9:45 pm 
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slide wrote:

DPE could stand for Dave Price Engineering who did a lot of work with BL products in the late1970s including running the first works SD1 race cars in the British Saloon Car Championship around 1979-80.


And I Thank You Slide...First piece of information I have received and a Great lead which I will run with now 8)

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Asphalt
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PostPosted: Fri Jan 15, 2010 4:59 am 
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7"! That's impressive. Why should only Webers get the long manifolds? :) But what do you do for air filtration? BFH or a smal box? I'd love to have one of them... :roll:

Cheers,
Jan

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drmini in aust
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PostPosted: Fri Jan 15, 2010 7:45 am 
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You can just fit either an offset K&N cone or a Ramflo filter in there, if using an HS6.
With an HIF44, I'm not sure.

However, many people run these manifolds with NO filter for `maximum power'.
Not me, I've seen how much crud an oiled Ramflo filter catches, on a road car. :wink:

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KLAS
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PostPosted: Fri Jan 15, 2010 8:05 am 
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Asphalt wrote:
I'd love to have one of them...
i'm sure you can buy one :wink:

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Gareth_1330
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PostPosted: Fri Jan 15, 2010 8:12 am 
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i just cant bring myself to run without a filter on the street... maybe i will pull it of on track days...

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sgc
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PostPosted: Fri Jan 15, 2010 8:59 am 
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drmini in aust wrote:
However, many people run these manifolds with NO filter for `maximum power'.


... and they get 'maximum engine wear' thrown into the bargain ;)

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74snail
PostPosted: Sat Dec 24, 2011 2:44 pm 
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Phat Kat wrote:
Image

Its a Howley HIF44 Manifold. (Part Number HMI-6)

What I'm mainly interested in is does it fit between the head and firewall without modification as needed for some manifolds?

All feed back and thoughts welcome :)

Thanks


Hey , PK did you get an answer in the end ?

If you did and your using the Howley with a HIF44 could you post some photos !!! ( just so other people have a reference )

I,m using a Howley with a HS4 in the "Snail" and with the K&N cone filter its fairly close to the firewall but I still have room to remove the nut

.

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Phat Kat
PostPosted: Sat Dec 24, 2011 6:00 pm 
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74snail wrote:
Phat Kat wrote:
Image

Its a Howley HIF44 Manifold. (Part Number HMI-6)

What I'm mainly interested in is does it fit between the head and firewall without modification as needed for some manifolds?

All feed back and thoughts welcome :)

Thanks


Hey , PK did you get an answer in the end ?

.



:lol: you're kidding right? :)

I'll PM you
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