1800Ti Exhaust Manifolds - Remanufacture?

[philhoward]

Have a look... http://www.scimitarweb.co.uk/sgwrs/view ... 11&t=16518

[shrewsbury_streetracer]

After all the discussion about Ti exhaust manifold replacement get a load of this -

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I have had this manifold CAD designed; from which a pattern maker designed & made mould and a local foundry has cast it for me.
The air flows are greatly improved so there should be a marked gain in performance. The material is NiResist which is a material developed by the germans after world war one. (Quick history lesson - they were not allowed to develop military equipment after WW1 but the sneaky bast*rds used mercedes cars to develop new materials for turbine housings & exhaust manifolds, these materials of course found there way into their fighters etc in WW2)
With small modifications existing heat shields will be able to be retained (see bosses).
I don't wish to market this myself but will do if necessary so I have spoken to Graham Walker who may be interested or maybe even the club? All have a common interest in creating a source for these currently unavailable parts.

The only issue I have had (slight oversight) is that NiResist hardens when cooled rapidly which has made the above manifold very hard to drill. I am getting it heat treated so it will machine easily and then it will be fitted to my Sabre.

In summary a CAD model, detailed machining drawing & foundry pattern is now in existance so one way or another these manifolds should be available shortly so you guys will be able to replace your old cracked (which most will be now) manifolds!

I will keep you all posted.

[reliant-reviver]

Fantastic work!
Any idea of a rough costing? 250-300 a piece?

[shrewsbury_streetracer]

Well I know exactly what it's cost me so far but don't really want post up prices until Mr G Walker & or the Club has declined to pick it up & run with it.

[CNHSS1]

well done Chris
i really hope either a trader or the club take this on (they should in a heartbeat, total no-brainer!), youve done all the hard work (and invested a substantial amount already ), nice to see an owner ensuring the longevity of the small turbo scims for many years to come.

also now makes converting an unloved SS1 1300/1600 to a turbo much, much easier and viable.

Im sure the Compie boys havent missed that the extra flow characteristics will see a decent gain either
by my reckoning, this new design will not become restrictive to over 300hp (the realistic limit for the nissan engine anyway) so no faffing about making a bespoke manifold like i had to

be interesting to see whether a T25 (or bigger turbo) could be accomadated without clearnace issues on the block too, again another reason to buy one for those wishing to go for a tubby upgrade

Once again, Good work Fella

[geoffp67]

I want one now

[scimjim]

these are moving ahead with GW but "now" may be a tall order

[geoffp67]

I wonder how much they will cost with profits added on, I suspect I shall have to stick with the one Ive got

[bandt1989]

Any new news on these yet?

[shrewsbury_streetracer]

Due to a house purchase, to be honest I've not done anything in the last few weeks. I still need to get it heat treated as mentioned above. Will try to get this set up tomorrow..

[Crouchie_b]

Just to confirm the conversation this afternoon put my name on one and just tell me when you (or whoever takes it on) needs the cheque.

Just in case it does drag on longer than you want, how much would you want to have another one cast? Don't worry about the heat treatment and machining as I can tap up a mate here at PYE.

[siw1800]

Not sure where to post this, so mods, please move if need be.

Is this the same TI manifold that is on another link?? Can we join the two links, save trying to follow it in two places??? Just a thought.
Ti manifolds

ORIGINAL POST


by scimjim » Sun Jul 25, 2010 10:23 pm

Many of the Ti owners amongst us will know how poorly made the Reliant exhaust manifold is and how hard it is to get a replacement - ie impossible - and these cars aren't getting any younger.

We have just received a quote for re-manufacturing them in a stronger material with slightly better flow characteristics - by a proven company with a good reputation.

They're not going to be cheap - we're looking at c£250 for members - this is all about long term planning and IMHO a small price to pay to keep your car on the road.

For those interested in racing, these will be classed as a direct replacement part (as there are no other suppliers) - so will remain within standard regs.

Before we embark on this route, we need to judge the market, so could as many interested parties as possible please respond below:

1. Would you consider buying one as a spare - ready for the day the Reliant specific manifold cracks along the bifurcated exit flange and lunches your turbo?

2. when the Reliant specific manifold cracks along the bifurcated exit flange and lunches your turbo would you pay £250 for a new and improved one to get it back on the road?

we're not asking for confirmed orders at this point, just an expression of interest.
Jim King
spares@rssoc.co.uk
Current: 1400i SS1 project 1980 GTC 1968 SE5 "8Ball" Chief mechanic for DJs car.
Previous SE5, 3 x SE5a, 2 x SE6a, 2 x SE6b, 2.9i GTC, 3 x 1600 SS1, 1400 SS1, Mk1 Sabre Ti.


Simon

[CNHSS1]

For those interested in racing, these will be classed as a direct replacement part (as there are no other suppliers) - so will remain within standard regs.

under current MSA regs even in Roadgoing class, exhausts are free so not a concern to current regs, so this would be a great upgrade

[shrewsbury_streetracer]

Manifolds now heat treated.. & sent for machining

[Crouchie_b]

1. Would you consider buying one as a spare - ready for the day the Reliant specific manifold cracks along the bifurcated exit flange and lunches your turbo?

Not wishing to state the obvious but why would you do this? - surely you'd just buy it and fit it to stop it lunching your turbo?

2. when the Reliant specific manifold cracks along the bifurcated exit flange and lunches your turbo would you pay £250 for a new and improved one to get it back on the road?

See previous comment

Suggestion for question 3
Do you want a new manifold which just bolts on, that has a better internal design which will improve performance, is made from better materials so it wont delaminate or crack and will stop the inevitable destruction of your turbo by your existing sub-standard one thus saving you the cost of said turbo?

My answer is yes to Q3 and do you want a £100 deposit a a sign of intent, Jim?

Please do not be offended by this post - i just think that you need to be some kind of space cadet not to want one of these on your car asap to stop any potential damage or indeed to prefer to purse the route of chopping up & welding a DET tubular manifold to made a top mount one which will burn your bonnet and crack when the heat cycles and weight of the turbo become to much?