12 March 2006, 06:50
Hi guys,
I talked to 15A; and told him about volvolvo.nl. He visited the site; and has registered.
He knows of one 90+ in a junk yard; but will have to see if it is still there. He has not been searching for any 90+ manifolds, so he may have missed some in his visits.
I have been reading some of the past posts, using a translator. Even though such translators do not do a complete job, I have been able to comprehend the gist of the discussions.
I am honored to be welcome here. I will try to be worthy of that welcome.
There are some discussions that I hope to contribute to, but I want to get a better understanding of what things have been discussed before I do. So I will continue to lurk and read.
To add a few comments on the 90+ manifold upgrade:
the heater return pipe is different on motors that have the 90+. It is routed further down the side of the engine block. It is necessary to be that way because the 90+ manifold fits closer to the block in the area behind the goilet/collector area. The stock 240T heater return pipe will not work without major bending/rerouting. It is easier to obtain and install a pipe that was on a 90+ manifold equipped motor.
the 90+ does not locate the turbo in exactly the same spot. This can cause an alignment problem for the exhaust downpipe. Not a large problem, but one to be aware of.
the oil supply pipe and the oil return pipe will need some modification in order to work with the 90+, because of the fact that the turbo is not in the exact same place as before, and because the manifold and the heater return pipe will interfere with the routing of the oil supply pipe.
I am a believer in the value of upgrading to the 90+. It works very well. I must qualify that statement by saying that I have always increased the size of the exhaust system when I have installed a 90+: either to 2.5in or 3in.
I am a firm believer in 3in exhaust systems. It is the only way to go in my book. I built a turbo back 3in system for my wagon. I will never have an exhaust system behind a turbo that is smaller than 3in again. The difference in flow and in power was and is substantial.
Backpressure is the enemy to power. Backpressure prevents the turbo from doing all that it can do. With a 3in exhaust, I can reduce the backpressure considerably. The turbo can spool up much quicker; and I can hit full boost at a lower RPM than before.
Because I have not installed a 90+ manifold on a car that kept the stock exhaust, I cannot offer any comment on how much of a power increase that only installing a 90+ manifold will give.
I recounted the total: I have installed six cracked 90+ manifolds, not five. And all six are still functioning well, without leaks.
TF
I talked to 15A; and told him about volvolvo.nl. He visited the site; and has registered.
He knows of one 90+ in a junk yard; but will have to see if it is still there. He has not been searching for any 90+ manifolds, so he may have missed some in his visits.
I have been reading some of the past posts, using a translator. Even though such translators do not do a complete job, I have been able to comprehend the gist of the discussions.
I am honored to be welcome here. I will try to be worthy of that welcome.
There are some discussions that I hope to contribute to, but I want to get a better understanding of what things have been discussed before I do. So I will continue to lurk and read.
To add a few comments on the 90+ manifold upgrade:
the heater return pipe is different on motors that have the 90+. It is routed further down the side of the engine block. It is necessary to be that way because the 90+ manifold fits closer to the block in the area behind the goilet/collector area. The stock 240T heater return pipe will not work without major bending/rerouting. It is easier to obtain and install a pipe that was on a 90+ manifold equipped motor.
the 90+ does not locate the turbo in exactly the same spot. This can cause an alignment problem for the exhaust downpipe. Not a large problem, but one to be aware of.
the oil supply pipe and the oil return pipe will need some modification in order to work with the 90+, because of the fact that the turbo is not in the exact same place as before, and because the manifold and the heater return pipe will interfere with the routing of the oil supply pipe.
I am a believer in the value of upgrading to the 90+. It works very well. I must qualify that statement by saying that I have always increased the size of the exhaust system when I have installed a 90+: either to 2.5in or 3in.
I am a firm believer in 3in exhaust systems. It is the only way to go in my book. I built a turbo back 3in system for my wagon. I will never have an exhaust system behind a turbo that is smaller than 3in again. The difference in flow and in power was and is substantial.
Backpressure is the enemy to power. Backpressure prevents the turbo from doing all that it can do. With a 3in exhaust, I can reduce the backpressure considerably. The turbo can spool up much quicker; and I can hit full boost at a lower RPM than before.
Because I have not installed a 90+ manifold on a car that kept the stock exhaust, I cannot offer any comment on how much of a power increase that only installing a 90+ manifold will give.
I recounted the total: I have installed six cracked 90+ manifolds, not five. And all six are still functioning well, without leaks.
TF