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awr68 11-10-2007 08:22 AM

Quote:

Originally Posted by camcojb
Tony,

with EFI you should not have an issue. The blow through carbs have to be right, otherwise you'll be pulling your hair out.

Jody

Good to hear!

Steve1968LS2 11-10-2007 08:39 AM

Quote:

Originally Posted by mazspeed
I have never liked the carb since it came back from the carb shop, but I have little time behind the wheel. I don't know how the carb could be the issue with not enough fuel during light driving. Nothing a few pounds of c4 cant fix though.

It will get fixed and you will get through this. All the crap will make the victory that much sweeter.

Remember my car.. I had to pull and rebuild my brand new LS2 due to an oil pump failure.

It will get worked out, there arn't any good events this time of the year anyways. Get it sorted out and then you'll be happily behind the wheel.

camcojb 11-10-2007 09:54 AM

Quote:

Originally Posted by mazspeed
I have never liked the carb since it came back from the carb shop, but I have little time behind the wheel. I don't know how the carb could be the issue with not enough fuel during light driving. Nothing a few pounds of c4 cant fix though.

the carb controls the fuel throughout the rpm range, so as long as the fuel pressure is correct and steady then the carb is the issue if it's lean. May need to be re-jetted, the metering blocks may be improperly modded for your combo, air bleed swap, boosters, and on and on.

If you had a spare $700 or so I'd say grab a 750 blow through from Scott at http://www.sd-concepts.com/

I've had two from him and they were awesome right out of the box. Although I prefer EFI for the adjustability and fuel mileage differences, a properly done carb by Scott ran as smooth as EFI for me. Maybe he can straighten out your carb also, it would be a lot less money if he could.

Jody

Steve1968LS2 11-10-2007 10:15 AM

Quote:

Originally Posted by camcojb
the carb controls the fuel throughout the rpm range, so as long as the fuel pressure is correct and steady then the carb is the issue if it's lean. May need to be re-jetted, the metering blocks may be improperly modded for your combo, air bleed swap, boosters, and on and on.

If you had a spare $700 or so I'd say grab a 750 blow through from Scott at http://www.sd-concepts.com/

I've had two from him and they were awesome right out of the box. Although I prefer EFI for the adjustability and fuel mileage differences, a properly done carb by Scott ran as smooth as EFI for me. Maybe he can straighten out your carb also, it would be a lot less money if he could.

Jody

What carb is on there now? If it's a 750 couldn't he just have Scott re-work it.. would only be the cost of the rework in that case..

camcojb 11-10-2007 10:28 AM

Quote:

Originally Posted by Steve1968LS2
What carb is on there now? If it's a 750 couldn't he just have Scott re-work it.. would only be the cost of the rework in that case..

yes, I mentioned that at the end. That's assuming that there isn't something done that cannot be repaired or straightened out.

Jody

awr68 11-10-2007 11:32 AM

Mike in hindsight with all the shop time and carb invested to tune this thing would it have been more cost effective to go EFI? Not trying to make you feel worse, just wondering what you would have done differently?

As Steve said, it WILL get tuned and be well worth it in the end...keep your chin up!! ;)

Steve1968LS2 11-10-2007 11:39 AM

Hell, right now I'm on my way to buy a whole freaking tensioner assembly from GM just for the freaking pulley. Why? because the pulley on there now developed a bad bearing for no apparent reason.

The point is that this hobby isn't easy.. it's downright challenging at times. Maybe that's why so many car guys have good character. The ones with bad charaters are weeded out along the way.

Get it worked out and get on the road. Just always remember that this is a high-maintanance hobby. lol

chrismoe 11-10-2007 01:58 PM

Hang in there and an offer to help
 
Mike,

Chris here. Sorry you are having difficulty getting your car back on the road. As Steve and Jody keep saying, hang in there man. It will be worth it in the end.

Also, my two-tone Camaro has a very similar motor setup to yours. Here are some relevant specs:

• Engine: Supercharged Chevy 383
• Chevy 350 4 bolt main 010/020 high nickel block bored .30 over
• Heads: Edelbrock Performer RPM aluminum heads
• Intake: Edelbrock RPM Air gap dual plane
• Carburetor: Barry Grant Mighty Demon Blower Calibrated 850 CFM
• Fuel pump: Aeromotive A1000 Electric fuel pump With a Aeromotive boost referenced fuel regulator
• Ignition: MSD 6BTM Boost referenced Control box with MSD Blaster coil and a MSD Pro billet Distributor,
• Cam: Proform duration 282-292 and lift 465, intake 488, exhaust 465 with Pro Form 1.5 roller rockers
• Supercharger: Vortech V1- T-trim with Ice vex air-to-air intercooler custom intake.

Here are links to pictures of my setup:

http://www.fototime.com/C9EE38426267D4F/orig.jpg
http://www.fototime.com/6237DB0AEA3BF7C/orig.jpg

Since I bought Tracy's (rebird) 68 the two-tone car just sits. It is completely dialed in. So, if it would help you can borrow the carb. out of my motor and drop it on your car and see if that helps. I live about 5 miles from C.A.R. so we can connect at C.A.R. and give this a shot if that would help speed things along. Just let me know. :cheers:

Chris

mazspeed 11-11-2007 11:30 AM

Quote:

Originally Posted by awr68
Mike in hindsight with all the shop time and carb invested to tune this thing would it have been more cost effective to go EFI? Not trying to make you feel worse, just wondering what you would have done differently?

As Steve said, it WILL get tuned and be well worth it in the end...keep your chin up!! ;)

Hey Anthony, yeah in hind sight I should have gone with EFI, that would have been my best decision as Mark, one of the owners at CAR is really good with tuning that stuff. It will get done, at what price and time who knows.

mazspeed 11-11-2007 11:31 AM

Quote:

Originally Posted by Steve1968LS2
What carb is on there now? If it's a 750 couldn't he just have Scott re-work it.. would only be the cost of the rework in that case..

Ill check into those carbs today. The one I have is a holly 750 built by the carb shop, and I'm not all that impressed with it at the moment. It drove really well out of the box.


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