Fuel injector question

kwayne · 06-10-2008, 06:19 AM

I have a set of Venom HP 640-164 fuel injectors. I've upgraded the stock fuel pump and replaced the fuel filter. What else needs to be done to get the most out of these injectors?

supramacist · 06-10-2008, 07:50 PM

Add a turbo.

All you're going to really do if you drive a ge is run very very rich.

Get a fuel pressure regulator if you're a ge.

kwayne · 06-10-2008, 11:12 PM

Sorry,

I didn't provide enough information in my original post. My car is an 87 turbo. The engine is a Japanese swap about 70k miles ago, the head gasket was replaced about 30k miles ago. It good running stock car. It set up for several years, and we've been working out all of the bugs for the past few months. Now, I would like to upgrade the peformance.

The exhaust was rusted out, so I upgraded it instead of using a stock replacement, and the stock air filter swapped out for a K&N. Also, the moulded hoses have been replaced.

What I would really like to know is if I can run these 630cc injectors without changing the MAF and additional tuning?

supramacist · 06-12-2008, 01:46 AM

I hope you new air filter is a dry flow or it will mess up the vafm.

I think the lexus 550's are the standard upgrade and the afm has to be tinkered with somehow.

I am not sure as to I am n/a.

It sounds a bit like over kill to me. Huge injectors and an upgraded fuel pump.

In theory you're going to have to get it some more air flow in there some how.

I think you should look into maf pro.

Pm cre and ask him.

He will know for certain.

06-10-2008, 06:19 AM	#1
kwayne Stock Join Date: Mar 2008 Location: Atlanta Ga Posts: 5	Fuel injector question I have a set of Venom HP 640-164 fuel injectors. I've upgraded the stock fuel pump and replaced the fuel filter. What else needs to be done to get the most out of these injectors?

06-10-2008, 11:12 PM	#3
kwayne Stock Join Date: Mar 2008 Location: Atlanta Ga Posts: 5	Fuel injector question Sorry, I didn't provide enough information in my original post. My car is an 87 turbo. The engine is a Japanese swap about 70k miles ago, the head gasket was replaced about 30k miles ago. It good running stock car. It set up for several years, and we've been working out all of the bugs for the past few months. Now, I would like to upgrade the peformance. The exhaust was rusted out, so I upgraded it instead of using a stock replacement, and the stock air filter swapped out for a K&N. Also, the moulded hoses have been replaced. What I would really like to know is if I can run these 630cc injectors without changing the MAF and additional tuning?

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06-10-2008, 07:50 PM	#2
supramacist 1000whp postwhore Join Date: Apr 2007 Location: Escape from the Prison Planet Posts: 1,356	Add a turbo. All you're going to really do if you drive a ge is run very very rich. Get a fuel pressure regulator if you're a ge.

06-12-2008, 01:46 AM	#4
supramacist 1000whp postwhore Join Date: Apr 2007 Location: Escape from the Prison Planet Posts: 1,356	I hope you new air filter is a dry flow or it will mess up the vafm. I think the lexus 550's are the standard upgrade and the afm has to be tinkered with somehow. I am not sure as to I am n/a. It sounds a bit like over kill to me. Huge injectors and an upgraded fuel pump. In theory you're going to have to get it some more air flow in there some how. I think you should look into maf pro. Pm cre and ask him. He will know for certain.