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nice! what is the blow of valve you use?
larsson063 1 year ago
@larsson063 I can't remember exactly what the car had on it when this video was filmed. It originally had a Bailey Motorsport DV36, but this got changed for an HKS SSQV.
foggyjames 1 year ago
hey i have a 1987 740 Turbo and I am looking to add some performance upgrades. Do you have any recommendations? Would it be safe to add a bigger turbo without hurting the engine?
martinryan8484 2 years ago
Sorry it's taken me so long to get back to you Martin.
The best recommendation I can give you is to spend some time on Turbobricks(.com). All the answers are there.
85-89 engines have weaker con-rods, so you're limited to around 300bhp. Later engines can take you to around 400bhp. Beyond that, you need beefier aftermarket internals.
Of course you can't just add boost and assume it'll be ok. You'll need at least some way of adding fuel...usually chips, or programmable engine management.
foggyjames 2 years ago
it shouldnt freak out if you have lh 2.2
CharadeYouAre 3 years ago
Okay, I know you are running a bigger turbo, but HOW?!?! my computer freaks out with the boost and then when the BOV goes off... stall from running to rich. How do you do this amazing god like Volvo power! Please PLEASE help he out!
iareawesome 3 years ago
In terms of handling the extra boost, we replaced the factory management with a programmable stand-alone system called Megasquirt. Accurate tuning is critical to achieving reliable power.
With the BOV, it's probably leaking air when in vacuum. You can usually fix that by changing the spring in the valve. Try talking to the BOV manufacturer.
foggyjames 3 years ago
nice=) im really looking forward to the next movie=) im subscribing now=)
volvo740power666 3 years ago
Whats under the hood? Well what did you do!?! I have a 89 Volvo 740 GLE turbo wagon boosted to 12 PSI and BOV
iareawesome 3 years ago
I've tried to reply several times, but it refuses to come up.
Essentially, we just made it flow a bit better at high RPM (cam, larger turbo, 3" turbo-back exhaust), then upped the boost (and put in place the stuff needed to do that safely).
It was running 20psi in that video, but it's built for 30psi.
foggyjames 3 years ago