1800Ti Exhaust Manifold

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geoffp67
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Re: 1800Ti Exhaust Manifold

Post by geoffp67 » Thu Oct 18, 2012 11:44 am

Its not a personal atack, its a comment and an opinion. It seems that this project is going pear shaped, with poor advice on the materials being used. Frankly it scares me a little that so many of us who want a manifold may end up with one no better than the orginals weve already got. Its both expensive to replace, awkward and time consuming, so I doubt Im the only one who would like to be 100% confident in the end product.
Plus I detest the drivel we hear in the office, lets leveridge the market position.



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Re: 1800Ti Exhaust Manifold

Post by philhoward » Thu Oct 18, 2012 11:50 am

Given its a project being done in peoples spare time and at THEIR expense in some cases, despite some frustration its not the sort of thing you can have a go at people for not getting it done in x weeks.

Did you not read it properly? The first batch didn't meet the required spec, so having to be redone. The organisation of these is being done in members' own time not as a commercial venture. If you want a project manager assigned to it, then project management rates would apply to the final costings and it would be prohibitively expensive.

You can't have your cake and eat it - or in some cases just eat someone elses cake..

If you're not happy, you don't have to buy one, Geoff...


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Re: 1800Ti Exhaust Manifold

Post by Gillsfan » Thu Oct 18, 2012 12:35 pm

Geoff there is a simple answer if you think it's been badly run, how about you give up your spare time to sort it out.


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Re: 1800Ti Exhaust Manifold

Post by scimjim » Fri Oct 19, 2012 9:05 am

Geoff, if you're not going to respond to my PM, could you please explain on here what you mean by "pseudo-american buisiness melodrama"?


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Re: 1800Ti Exhaust Manifold

Post by Ben Kenobe » Fri Nov 02, 2012 12:42 pm

Can I ask if a small 'mod' is possible and how much interest there would be in it.

Many may not be aware that the biggest killer in manifolds and turbo's is excess heat, especially excess heat for extended periods, and not adequately cooling before turning off.

I propose a 1/8 BSPT stabbing or hole for an exhaust gas temperature sensor. I operate the same thing already on a 'tuned' diesel and even if nobody else is interested will do this on the Sabre anyhow as and when the manifold appears. It helps you to manage the throttle and gear selection / combination of in a way that protects the exhaust components the idea being that operating above say 700 degrees c should be short term only and preferably never above 600 degrees - just as an example I don't yet have 'safe' numbers for an 1800 Ti / Garrett T2.

This needs to be before the turbo mounting flange but as 'after' the cylinder ports as possible so that the turbo inlet temperature is known - after the turbo is no good before it is suggested.

I don't want to delay or add massive cost but I will be adding this anyhow if not in by default.


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Re: 1800Ti Exhaust Manifold

Post by scimjim » Fri Nov 02, 2012 7:22 pm

I'm not near a Ti manifold (and haven't studied one for a long time) but is there a suitable boss (undrilled) on it already? I certainly can't modify the design now unless the majority of interested parties would like it.


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Re: 1800Ti Exhaust Manifold

Post by Ben Kenobe » Fri Nov 02, 2012 7:32 pm

No worries, I'll find a way ;-)


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Re: Ti manifolds

Post by scimjim » Fri Nov 02, 2012 7:39 pm

maybe I imagined it - can't see it below and this came from the standard item

Image

Image


Jim King

SECURE DRY STORAGE FOR YOUR SCIMITAR

Current: SE5 (8Ball), TI SS1 (snotty), 1600 SS1 (G97), 1600 SS1 (C686CCR), 2.5TD SE5a (diesel 5a), 6 x random other SS1s.
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Re: 1800Ti Exhaust Manifold

Post by philhoward » Fri Nov 02, 2012 7:53 pm

I thought there were bosses added for a heat shield - or was that one not followed through in the end?

Sadly not at the turbo entry.


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Re: 1800Ti Exhaust Manifold

Post by Ben Kenobe » Fri Nov 02, 2012 7:55 pm

Never thought of it that way - the branches are of unequal lengths and don't seem to be common until within the flange - it'll be a pig to get an accurate temperature off that without drilling the flange which wouldn't be my first location choice, will probably need a sandwich plate between it and the turbo.

I plan to dispose of the heat shield anyhow I'll just provide protection to the items that need it directly - distributor etc for one.


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Re: 1800Ti Exhaust Manifold

Post by scimjim » Mon Aug 19, 2013 8:59 pm

okay - the first prototype has been successfully produced and machined up (and looks damn sexy :-))

pictures to follow (once Dave has finished moving house and sorted out his Curbs pics) and confirmation of prices to follow.

There may even be a back to back rolling road comparison (theoretically there is an improvement in flow).

This is still not an overnight project and will be the single most expensive item the Club has ever had re-manufactured, so deposits will almost certainly be requested before the order is finally placed and I will need to produce an updated business plan to present to the finance sub-committee for approval.


Jim King

SECURE DRY STORAGE FOR YOUR SCIMITAR

Current: SE5 (8Ball), TI SS1 (snotty), 1600 SS1 (G97), 1600 SS1 (C686CCR), 2.5TD SE5a (diesel 5a), 6 x random other SS1s.
Previous: SE5, 3 x SE5a, 2 x SE6a, 3 x SE6b, GTC, 2.9i GTC, 3 x 1600 SS1, 1300 SS1, Mk1 Ti Sabre, Mk1.5 CVH Sabre
Chief mechanic for: 1400 K series SS1 (Megan3), 1400 CVH EFi SS1 (Grawpy), 1300 SS1 (Number One) & Sarah's coupe.
CURE THE FAULT - NOT THE SYMPTOMS

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Re: 1800Ti Exhaust Manifold

Post by scimjim » Wed Aug 28, 2013 4:27 pm

pics as promised:
Manifold_03.jpg
Manifold_03.jpg (186.82 KiB) Viewed 2938 times
Manifold_02.jpg
Manifold_02.jpg (170.2 KiB) Viewed 2938 times
Manifold_01.jpg
Manifold_01.jpg (183.01 KiB) Viewed 2938 times


Jim King

SECURE DRY STORAGE FOR YOUR SCIMITAR

Current: SE5 (8Ball), TI SS1 (snotty), 1600 SS1 (G97), 1600 SS1 (C686CCR), 2.5TD SE5a (diesel 5a), 6 x random other SS1s.
Previous: SE5, 3 x SE5a, 2 x SE6a, 3 x SE6b, GTC, 2.9i GTC, 3 x 1600 SS1, 1300 SS1, Mk1 Ti Sabre, Mk1.5 CVH Sabre
Chief mechanic for: 1400 K series SS1 (Megan3), 1400 CVH EFi SS1 (Grawpy), 1300 SS1 (Number One) & Sarah's coupe.
CURE THE FAULT - NOT THE SYMPTOMS

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Re: 1800Ti Exhaust Manifold

Post by Corky » Wed Aug 28, 2013 5:39 pm

Very nice, and looks like there won't be a ba$*ard nut :lol:


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Re: 1800Ti Exhaust Manifold

Post by MrGoldtop1960 » Thu Aug 29, 2013 4:30 pm

Mmm.... Nice!


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Re: 1800Ti Exhaust Manifold

Post by minibull » Thu Aug 29, 2013 5:16 pm

When this project started I didn't need a manifold (1 Ti,2 manifolds).However given the money sunk in to the sabre project and given that looks much better than the original and hopefully performs to match if production goes ahead I'll definately have one. If approved what sort of time frame would you be expecting.
Mick



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