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The only reason I asked about going to bigger injectors was if these were shot. However, soaking them in fuel injector cleaner (meaning the bottles that you put in the gas tank) for about 36 hours seemed to work. There was also the ground wire on the intake that was corroded, that may have...

Thanks for pointing that out. I was a bit confused.

So, I would have to send my MAF in to get it recalibrated?

It's running and not so bad. I'm sure the fuel system still needs some serious attention but registration needs to come first. If I replace the injectors later, what would be the pros/cons of going to 30 lb/hr?

Sure, the link in my signature has some. Let me know if it doesn't work. It's very interesting! An absolute hoot to drive. It hasn't been tuned other than what Mike (Tweecer) had me change over the phone in 2004. With the F303 cam and a bad idle, gummed up injectors and some rust spots but...

So, got everything put back together last night. It started but was running like crap and kinda sounded like a Harley. Not saying a harley sounds like crap, just saying a SBF shouldn't sound like that. After about an hour, it seemed to smooth out. Fuel pressure should be set at 39 psi?

Actually, all of them can hold a V8. There are lots of combinations out there from Buick GNX 231 turbo V6, LS1, Big Block Chevys, even a few SBFs. The thought was not to mod it out to perform like a muscle car, just build something a little unique. But "Ricer"? I guess had to expect that...

All, Thanks for the feedback. Bigger injectors, flowed, etc. will happen in time. First, I have to get this thing registered or it will be sitting for another 3 years. Spark is good and Fuel pressure is good. I agree that it seems odd that all eight injectors would fail simultaneously...

All, New to the site here. First let me apologize if there is some older post about the same problems, I haven't had much time to search thru all of the older post. I have a '74 Datsun 260Z with a 347 stroker and EFI that was brought to Japan in 2005 and was only driven about 200 miles and...

Hello Everyone! I just signed up, but have been here reading tuning post many times. My ride is a 1974 Datsun 260Z with a EFI 347 and T-5. Not really a Mustang, but real close! Hope no one is offended by me registering here. Some people here may have heard of HybridZ.org? Many...