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98 v70 T5 minor performance mods

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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CIK7
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Year and Model: 95 854T & V70trailer
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98 v70 T5 minor performance mods

Post by CIK7 »

Tomorrow my 01 V70 base goes bye bye to someone who could careless whether its a turbo. I enter the p80 realm with excitement. Finally I'll get to buy a P80 v70 t5. Its almost perfect. Almost. I would like some help with advice on minor performance upgrades. Should I change the FAI with a CAI? Not too stiffling but not too much that the ngine gets dirty.
What if I replace the cat with just straight piping?
I at least want to get rid of the two mammoths that make up the mufflers. Anyone have experience with the cheap $35 growling mufflers on eBay?
Lets say i want to step it up to the next level with the turbo. 98 V70 T5 comes with 16T. Next one is 18t. Whats needed to make that jump? I made a similar post about a 98 v70 xc but that didnt go through and that was referring to serious performance boost. Please help me. TIA
95 854 Turbo 258K, auto, current
09 Rav4 Ltd3.5Fwd, red, 208K, current
98 V GLE/SE red, 379k (277k), 5sp, trailer in progress...
05 CRV EX AWD, Navy, 170K/184k, sold
03 Accord 2dr V6 silver, 196K/214K, 6sp, t-boned, sold
98 S GT white, 175K, 5sp, sold
96 964 silver, 146K, diff&trans/engine self-destr, crushed 😭
98 XC black, 151K, flooded&bent rod, crushed
01 V Base white, 168k, traded for XC
09 Impala LT1 gray, 196K, sold for 01

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Clemens
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Post by Clemens »

Keep the cat and don't ruin our planet on purpose. Thanks!
That being said, get a good cat back exhaust (TME, IPD), a good tune from ARD or va5t and if you want a downpipe. That should push you towards 270 to 280 hp. If you need more, it gets really pricey quickly.
A good stage 0 with new ignition parts, all new vacum hoses and a clean pcv system goes without saying.
Summer: 1996 855 R
Winter: 1994 855 T5M
Donor: 1995 854 10V

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matthew1
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Post by matthew1 »

What Clemens said. Tune, downpipe, exhaust, those are your bottlenecks. Stock intake is pretty good.
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1998 V70, no dash lights on

1997 850 T5 [gone] w/ MSD ignition coil, Hallman manual boost controller, injectors, R bumper, OMP strut brace

2004 V70 R [gone]

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