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Perfect! Thank you. That is what I am looking for. Thanks again, Paul

Can anyone tell me the part number of the primary metering block on a Holley 670 street avenger carb? I have a carb that's missing one and want to replace it. Thanks in advance

Yes, it does I think. It will.more when I actually go to do it. I have a few extra rods it I mess the first one up. Thanks!

On my 87 Ramcharger, I put a cast intake and a new 650 Holley spreadbore on it. No choke since installing it in the spring. Cooler temps are setting in and am starting to need a choke. I tried using a Carter Thermoquad choke and making one from a 2bbl with no luck. Is there a specific choke...

So, on a 650 Holley spreadbore carb list 7004-1, is there a benefit to running the 2 stage powervalves over the standard single stage ones? They are discontinued for one. Holley claims they aid in economy. The one in the carb is fine, I was just wondering. Holley replacement PV is a 6.5. The 2...

So, tuning a carb with a spacer. Do you think a cast, spreadbore intake with an open spacer cause issues when tuning a carburetor? Mainly A/F and idle settings is what I'm wondering. If there is a gap between the carb and the intake would it cause an imbalance by one side bleeding over to the...

Yeah, it idles super smooth. I don't think it's bad then. Thanks,Paul

Thanks again. After disconnecting the EGR, idle speed screw was backed off about 3 turns and she settled down nicely. Idle mixture screws are about 1/4ish turns from seated. It runs really smooth now. I wonder if the PV was blown. It did backfire a few times at first startup. Maybe I'll pull the...

Holley spreadbore 650 on a stock 318 and has the stock #56 jets in carb and 9.5 PV, it idles best when the mixture screws are all the way in. Could it have too small of jets in the carb? Should I bump them up a few jet sizes?

I've spent many many hours with the distributor, springs, limits, vacuum cans etc... maybe, an MSD is the next step. It has the EGR hooked up and functional. It does not have a roller cam and it has 302 heads. Thanks

So for the beast, other than timing chain and oil pump, it's untouched. Has the factory Holley 2bbl. I have a K&N air filter in the stock housing with fresh air tube hooked up to housing. Manifolds with 2-1/4" pipe run into hooked turbo mufflers and a H pipe before the mufflers. Ignition is...

Thanks. I already have a performer and a cast spreadbore, and a Holley 80457. It gets around 15mpg already, and I always try to improve on it. It's basically stock except for HEI ignition and dual exhaust. Thanks, Paul

For a stock 318 ramcharger, would a 2bbl sp2p intake be worth the effort over the stock intake? I'm contemplating on buying one for my Ramcharger like this one.

Thank you fellas! I suspected ot might work and i already have a few of those plates. Thanks, Paul

Is it possible to mount an Edelbrock AVS or performer carb on a cast iron spreadbore intake? Will one bolt on witb a thick mounting flange gasket? Just curious if it would work or not.

I bought a brand new one from ebay for 119.00 shipped. I would also put a new sending unit in at the same time, but that's me. They can be bought for under $50.00 shipped.

My timing light is 24 years old and still works.

They are jetted lean. I have one and came with 65 primary 68 secondary. So far, I have 70/74 in them and a lighter spring and it runs much better, but still needs some more tuning.

It was REALLY fat. After looking at the chart, I was supposed to put #69 in block. I dropped it down to #72 and got waaayyyy better. I put a lighter spring in and it got worse again. Bumped it back to a stiffer spring and felt better. I will go and drop jet sizes down to a 70 and see how it...

Hi all, I have a Holley 1850 600cfm vac secondary carb and I bought the secondary metering block conversion so I can change the jets in the rear. What jet size should I start with? is it 12 sizes larger than the fronts? I am running 68 fronts and I put 80 in the rear. It just feels like it is...

Thats awesome! I went out after work yesterday, started it and no more whistle. I dunno, Maybe it was bored. It runs great, and I can not find any vacuum leak at all, every time i check. Guess I'll just drive on with it. Thanks

Ok, so I have a 650 DP 4777-3 holley that workes great, but I wanted bigger so I bought a 4779 body, transfered everything over from the 650 to the 750. It runs great; however, it whistles loudly at idle between 500-900 rpm. I checked several times for a vacuum leak and I do not at all. I used...