Is milage to high to mod?

volvo-express · Feb 21st, 2010, 10:43

Hi everyone, I am planning to doing some mod to my car - 1996 850 T5 saloon, mileage 198K, engine runs very smooth "no tapping or smoke" and pulls very well. The exterior is good condition as is the interior. Underneath little/no oil leak from engine (there is a little from the turbo), manual gearbox good as well.
I have bought a T16 turbo, 3" turbo back SS exhaust, white injectors, would like to fit the ME7 exhaust manifold as well.
But on Saturday I done a compression test to see the condition of engine 1-4 97psi 5 90psi......so should i take off the head and refurbish it to get good compression? or best get a low mileage head refurbish that one and fit all at once.

bobbych · Feb 21st, 2010, 11:23

it all depends, a milage is only as good as the components on a car. I helped a friend a few years back, completly rebuild a Ren 5 turbo from scratch. Every component was refurbed or replaced, so in the end, the dash still read 150K but the car was really 'new'. So if you are planning to do a lot of work to the 854, asfar as replacing engine components etc, the the milage is irrelavant

volvo-express · Feb 21st, 2010, 12:34

Good mileage for a Ren Turbo! and true about the mileage.

I think the best way to go is to refurbish a head ie buy another one.
What would be a fair price for a low mileage T5 head?

volvo-express · Feb 21st, 2010, 17:32

Well i just bought a T5 head with 92K, so i will get that one refurbished at my leisure. Cant wait to fit all the parts "hopefully all at once" so I will notice the difference!

frobes2 · Feb 21st, 2010, 17:45

Sounds like a real plan you have there, make sure you keep us updated or even start a project thread...

By the way what 3" stainless did you buy and what sort of cost? is it turbo back/downpipe and full system... as I have been looking for an exhaust for months..

Thanks,

Scott.

Merc85 · Feb 21st, 2010, 18:15

Hi there, i think it would be wise to up rate the conrods. i'm currently running a 850 t5 estate 1995 with 161k, doesnt use oil or water, current set up is a mbc set 12psi and a de cat.
Getting a remap when i've some spare dosh. although i will be wanting to uprate the conrods after.

volvo-express · Feb 21st, 2010, 20:53

Yes it is a full SS exhaust system once i buy the back box all in all it prob will cost £250 fitted.
What are the con rods good for?

T240 · Feb 22nd, 2010, 19:00

Read on an American site that they are good for 350 to 400 bhp, but don't know if that's right.

When rebuilding and tuning a normally aspirated car it is usual practice if retaining components such as rods to get them crack tested. Which is the only surefire way of knowing they are good. If okay, then it's lightening, balancing and weight matching routine, of course.

I don't see any reason to do different with a turbo car.

Cheers,

T

Feb 21st, 2010, 10:43	#1
volvo-express Master Member Last Online: May 28th, 2024 07:53 Join Date: Jul 2007 Location: St Neots, Cambs.	Is milage to high to mod? Hi everyone, I am planning to doing some mod to my car - 1996 850 T5 saloon, mileage 198K, engine runs very smooth "no tapping or smoke" and pulls very well. The exterior is good condition as is the interior. Underneath little/no oil leak from engine (there is a little from the turbo), manual gearbox good as well. I have bought a T16 turbo, 3" turbo back SS exhaust, white injectors, would like to fit the ME7 exhaust manifold as well. But on Saturday I done a compression test to see the condition of engine 1-4 97psi 5 90psi......so should i take off the head and refurbish it to get good compression? or best get a low mileage head refurbish that one and fit all at once.

Feb 21st, 2010, 11:23	#2
bobbych Premier Member Last Online: Jan 28th, 2017 13:15 Join Date: Oct 2009 Location: Leuchars, St Andrews View Photos By: bobbych	it all depends, a milage is only as good as the components on a car. I helped a friend a few years back, completly rebuild a Ren 5 turbo from scratch. Every component was refurbed or replaced, so in the end, the dash still read 150K but the car was really 'new'. So if you are planning to do a lot of work to the 854, asfar as replacing engine components etc, the the milage is irrelavant __________________ 1994 850 TURBO (2008 - 2011) Now Scrapped Sadly Metallic Grey Full Leather

Feb 21st, 2010, 12:34	#3
volvo-express Master Member Last Online: May 28th, 2024 07:53 Join Date: Jul 2007 Location: St Neots, Cambs.	milage to high Good mileage for a Ren Turbo! and true about the mileage. I think the best way to go is to refurbish a head ie buy another one. What would be a fair price for a low mileage T5 head?

Feb 21st, 2010, 17:32	#4
volvo-express Master Member Last Online: May 28th, 2024 07:53 Join Date: Jul 2007 Location: St Neots, Cambs.	Head Well i just bought a T5 head with 92K, so i will get that one refurbished at my leisure. Cant wait to fit all the parts "hopefully all at once" so I will notice the difference!

Feb 21st, 2010, 17:45	#5
frobes2 Volvo Mad! Last Online: Jan 6th, 2020 09:31 Join Date: Dec 2004 Location: Kent	Sounds like a real plan you have there, make sure you keep us updated or even start a project thread... By the way what 3" stainless did you buy and what sort of cost? is it turbo back/downpipe and full system... as I have been looking for an exhaust for months.. Thanks, Scott. __________________ Volvo 854 T-5R Stone Black.. Volvo 855 T-5R Olive Green.. Volvo 855 T-5R Gul.. http://www.volvoforums.org.uk/showthread.php?t=85374

Feb 21st, 2010, 18:15	#6
Merc85 Premier Member Last Online: Apr 19th, 2024 12:58 Join Date: Dec 2009 Location: Harwich	Rod's Hi there, i think it would be wise to up rate the conrods. i'm currently running a 850 t5 estate 1995 with 161k, doesnt use oil or water, current set up is a mbc set 12psi and a de cat. Getting a remap when i've some spare dosh. although i will be wanting to uprate the conrods after. __________________ HLM304, Forge unos 17.5psi at 3.8 bar, 18t, Me7 Manifold, Blues, Walbro, De-cat, Ported n Polished Head, 3" Dp stainlesss exhaust, Carbon Air intake, Polly Bushed thoughout.

Feb 21st, 2010, 20:53	#7
volvo-express Master Member Last Online: May 28th, 2024 07:53 Join Date: Jul 2007 Location: St Neots, Cambs.	SS exhaust Yes it is a full SS exhaust system once i buy the back box all in all it prob will cost £250 fitted. What are the con rods good for?

Feb 22nd, 2010, 19:00	#8
T240 Pure is Beautiful Last Online: Apr 13th, 2021 19:44 Join Date: Nov 2003 Location: UK/	Read on an American site that they are good for 350 to 400 bhp, but don't know if that's right. When rebuilding and tuning a normally aspirated car it is usual practice if retaining components such as rods to get them crack tested. Which is the only surefire way of knowing they are good. If okay, then it's lightening, balancing and weight matching routine, of course. I don't see any reason to do different with a turbo car. Cheers, T __________________ I Think. I Think I Am; Therefore I Am - I Think . . . .

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