upgrading to 3inch intercooler pipes

charlotte001 · Apr 18th, 2012, 22:28

Once my 850 T5 comes back from the dead I will be upgrading the intercooler pipe work to 3 inch as I've obtained a 4 inch wide FMIC with 3 inch outlets:

I know i will need an adapter to connect the 3 inch pipe to the top of the turbo then a reducer to connect to the throttle housing so the question is

Do I need to do anything to these adapters to prevent heatsoak or compression as they will be going from 2 1/4 -2 1/2 inch up to 3 inch and down to 2 1/4 - 2 1/2 inch [haven't measured the current bore I know the bore is one of the two measurements]

Charlotte

barkster1971 · Apr 20th, 2012, 20:52

If you've got a 100mm wide intercooler I would worry more about fitting it than putting reducers on! I had to hack a fair bit of metal out to fit my 75mm thick one and that's in a 940 without aircon. I had 76 to 68mm reducers on each end and it works fine.
Do you have aircon? Have you had a go at fitting it yet? What turbo are you planning to run does it have a 3'' outlet?

Apr 18th, 2012, 22:28	#1
charlotte001 Premier Member Last Online: Jul 26th, 2012 11:13 Join Date: Jul 2009 Location: norwich	upgrading to 3inch intercooler pipes Once my 850 T5 comes back from the dead I will be upgrading the intercooler pipe work to 3 inch as I've obtained a 4 inch wide FMIC with 3 inch outlets: I know i will need an adapter to connect the 3 inch pipe to the top of the turbo then a reducer to connect to the throttle housing so the question is Do I need to do anything to these adapters to prevent heatsoak or compression as they will be going from 2 1/4 -2 1/2 inch up to 3 inch and down to 2 1/4 - 2 1/2 inch [haven't measured the current bore I know the bore is one of the two measurements] Charlotte __________________ Previous Volvos:850 GLT 2.5 20V Auto Saloon Silver. 1997 850 T-5 Auto Estate Nautic Blue Chipped ECU, V70 TCV, Carbon Cased Filter, 17inch alloys, Rattling Engine masking the suspension rattles. Engine doesn't rattle anymore

Apr 20th, 2012, 20:52	#2
barkster1971 VOC Member Last Online: Yesterday 16:37 Join Date: Jun 2009 Location: Swineshead/Salford	lol If you've got a 100mm wide intercooler I would worry more about fitting it than putting reducers on! I had to hack a fair bit of metal out to fit my 75mm thick one and that's in a 940 without aircon. I had 76 to 68mm reducers on each end and it works fine. Do you have aircon? Have you had a go at fitting it yet? What turbo are you planning to run does it have a 3'' outlet? __________________ new engine! new car!

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