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djinuk
26-01-2012, 10:39
Just wondering if r5s suffer from heatsoak? , particulally with these stainless tubular manifold becoming quite common.

Anybody had any experiance of this, i know one option is to wrap the manifold, however with them being so tight i find wrapped manifolds, rust, and also its very awkward to work on afterwards when needing to get to the nuts etc.

Another option is a gold relfective heatwrap such as this
http://www.ebay.co.uk/itm/DEI-Reflect-A-GOLD-Heat-Protection-12-x12-Sheet-/300611423142?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item45fdd64ba6
stuck to the underside of the inlet.

opinions / views on these?

Kris M
26-01-2012, 10:59
Think about it, park up after a drive, youve got a nice carb bowl thats full of fuel, which happens to be siting directly above your nice hot exhaust manifold. Doesnt take long for it to evaporate meaning there is not fuel there initially when you try and restart, meaning it will take afew secondd longer to restart whilst the boel fills back up with fresh fuel. Some 5s seem to take longer than others to start with exactly the same set up , its just one of those quirks !

Brigsy
26-01-2012, 12:39
Save your money mate! I used to wrap my manifold and noticed no difference. As kris said its a quirk that you have to live with unless you go efi.

djinuk
26-01-2012, 13:05
thats cool, it dosent really bother me all that much if im honest.

michael tierney
26-01-2012, 16:39
ur inlet manifold is also full of water...90degrees...petrol evaporates in the 70's

Brigsy
26-01-2012, 20:19
Definitely worth getting rid of the water pipes to the inlet like:)

Ricardo
26-01-2012, 20:32
Definitely worth getting rid of the water pipes to the inlet like:)

Then wait till winter when you need it to be warmer :D

Brigsy
26-01-2012, 21:41
Mines alright with no water pipes to the inlet or carb, had no probs as of yet ;)

Tony Walker
26-01-2012, 22:01
suppose 20ish psi soon warms things up in winter?

michael tierney
27-01-2012, 01:43
i found that getting rid of the carb pipes was ok until i came to an absolutly freezing morning...then it would cut out!!so keep everything for the winter......then bypass:)

LYNCHSTAR
27-01-2012, 18:29
i found that getting rid of the carb pipes was ok until i came to an absolutly freezing morning...then it would cut out!!so keep everything for the winter......then bypass:)

can you do away with the turbo water pipes to carb are they really needed.

Brigsy
28-01-2012, 10:27
suppose 20ish psi soon warms things up in winter?

Still fine when cruising about at low boost. The water pipes tha go to the inlet should be gone on any setup if you want power, warm water in the inlet will never do any favours for charge temps. Mine could benefit from a choke flap on cold starts though for winter!