Opinions on a carb

[slapper]

I really like the autolite 4100 series, I would use it, but get the one with the 1.12 venturi and not the 1.08 venturi. The 1.12 venturi is the carb they used for the 289 Hipo K-code motors.

That's a great carb isn't it!
Those boost venturis are just about as big as Holley's annular boost venturis, and they create a great signal.

 

[12sec67]

edelbrock carbs are overated in cfm and holley are underated.

stock engines can take the edelbrock no problem....call them up and ask them!

 

[kyle67]

Yeah I talked to them and they recommended the 500, I wanted the 600 in case I upgrade the motor later. My main concern is that it doesn't run rich. I've heard the formula foor finding the ammount of carb you need is cid x max rpm/3456

302 x 5500/3456 = 480.61 or a 500 cfm carb.

I used 5500 rpm because it is where my intake makes power up to.

anybody know anything different?

 

[kyle67]

BTW I really, really appreciate all of the help, the LS1 guys laugh at me because I sold an 11 sec SS to restore a Ford, but you guys are a lot cooler!!!!

also my exhaust is Jet Hot Super Comps with a Dr. gas X and Aero chamber mufflers, meg's tips through a GT valence. I can't wait to hear what it sounds like when I start the car!

 

[D.Hearne]

Your motor will do better with a 650. If it runs a little rich, you can rejet it. But if you like getting beat,then go with the 500. That formula is a purely hypothetical way to figure what a motor needs. But you take any carb and rate it a a certain CFM, and it'll flow a completely different figure on another motor. What it flows is based on a certain pressure differential different bore/stroke/cam combos, create different pressure differentials in operation. Same thing happens when heads are flow tested at different pressure differentials, the end results vary ( cfm ratings)

 

[D.Hearne]

Kyle--- go ahead and buy the 500, then drive over here to Opelousas, and I'll let you bolt on a 650 Holley and let you experience the difference, first hand.

 

[kyle67]

Didn't the 84-85 GT Mustangs that were still carbed come with Holleys from the factory? what did they come with? I could probably go with a little more than that, because my motor is a lot more powerful,....right?

 

[kyle67]

D., If I drive to Opelousas, I'm gonnna have to come home with that 9 inch......

 

[D.Hearne]

The 83-85's had a Ford, designed emissions 600 cfm Holley.

 

[kyle67]

If I by that and drive it over, will you jet it for me so I don't spit gas outta my pipes?

 

[D.Hearne]

You might want to bring both 9"'s back I've got a Versailles 9" and a 57-59 Ford 9" takin up space in my shop.

 

[D.Hearne]

Sure, run it over. Rejetting only takes a few minutes. I've got a whole set of Holley jets that my kid brought back from the parts house ( I sent him after 1 or 2 jet sizes, he came back with the whole assortment LOL)

 

[D.Hearne]

I'm even open to swaps on the Versailles 9. I need a good std bore 5.0 roller block. Then again you might want the 351C I'm fixin to bolt back together for your car too

 

[kyle67]

sweet, I just have always had a bad exhaust smell that gets on me when I drive the car, that makes me scared to make it run rich. I have ordered a body plug kit, dynamat and bought a roll of visqueen to attempt to stop the mysterious fumes....

 

[kyle67]

all I have is a worn out 289, and some EFI stuff....

 

[D.Hearne]

Even worn out 289's can still net you some cash. Especially if they're std bore and std cranks. It also pays to check your part#'s too see what you actually have, Ford's been known to use up Hi-po parts on regular production motors to get rid of overstock items.

 

[kyle67]

What holley would you go with , rmember I'm not drag racing only street fun. Is the 4160 in a 600 or the street avenger better?

 

[D.Hearne]

The 4160 isn't a performance oriented 600. It's design was for mileage and low emissions. In my opinion the street Avenger 570 or 670 would be a better choice. But these are a little pricey, new ( remember, I'm cheap LOL) I would seek out a used avenger before shelling out money on a new one. Or a harder to find 650 VS Holley with dual feed bowls ( I don't care for single feed Holleys ,except in 2X4 applications, too plain for me, sort of like having a 350 Chevy LOL )

 

[SadbutTrue]

sometimes i wish i lived in louisana...

not often, but for about .34 seconds just there i did... still need to find that rearend...

 

[D.Hearne]

Now, why would you want to live in Lousy-ana? Oh wait, don't answer that, you live in California