What temps are seen at the manifold?

Corleone

Corleone

Member +
Just need to find out if anyone has any data on this from their sensors or anything?

EDIT: Exhuast manifold!
 
gt 4efte

gt 4efte

Fresh Recruit
if its dark and im wot for some time:p
it's glow in the dark an red glowing manifolt, i think around 800-900C ?

stefan
 
GTnomez

GTnomez

Member +
well is you speak to member '59bhp' he can help you as he did his dissertation on manifolds aswell. I remember him posting up threads about it so search would be good
 
F

fussman

Member +
Corleone said:
Just need to find out if anyone has any data on this from their sensors or anything?

EDIT: Exhuast manifold!
Click to expand...

just use a temp guage and get some readings after a drive.



however.......

Black Red 1000
Blood Red 1200
Low Cherry Red 1375
Medium Cherry Red 1425
Full Cherry Red 1500
Bright Red 1550

not the law but a little idea.
 
Corleone

Corleone

Member +
fussman said:
just use a temp guage and get some readings after a drive.



however.......

Black Red 1000
Blood Red 1200
Low Cherry Red 1375
Medium Cherry Red 1425
Full Cherry Red 1500
Bright Red 1550

not the law but a little idea.
Click to expand...

kelvin, celcius or fahrenheit?
 
Monkfish

Monkfish

Member +
fussman said:
however.......

Black Red 1000
Blood Red 1200
Low Cherry Red 1375
Medium Cherry Red 1425
Full Cherry Red 1500
Bright Red 1550

not the law but a little idea.
Click to expand...

DSC_3605.jpg


I've been told by some people in the know that the colour of this indicates a skin temperature of around 900 Degrees Celcius. It wouldn't be much more than 1000, Stainless Steel melts at 1500 and I'd imagine it gets a bit soft at 1000+.

This also goes to further highlight my point that bi-metal manifolds (ie, Stainless runners and mild flanges) makes for a shit design and promotes cracking.
 
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