Search found 134 matches

by smokie
Sun Feb 18, 2024 5:23 pm
Forum: Engine Tech
Topic: Carb recommendation SBC 383
Replies: 78
Views: 2726

Re: Carb recommendation SBC 383

turbo camino wrote: Sun Feb 18, 2024 4:42 pm They make an annular 850? Downlegs will give you fits in a 1.56" venturi on that combo, not enough signal.
Nope, it has down leg boosters.
by smokie
Sun Feb 18, 2024 4:11 pm
Forum: Engine Tech
Topic: Carb recommendation SBC 383
Replies: 78
Views: 2726

Re: Carb recommendation SBC 383

I'm considering getting a proform 850. Anyone ever used a proform carb? For the price, it's hard to beat.
by smokie
Mon Feb 12, 2024 5:51 pm
Forum: Engine Tech
Topic: Carb recommendation SBC 383
Replies: 78
Views: 2726

Re: Carb recommendation SBC 383

AED got back with me, his recommendation is a 950ho which he says flows 820cfm.i believe he said it was a 750 body in a 850 throttle body. That's a $750 carb. I can get a Brawler 750dp for a little over $400 . My question is, will that almost twice as expensive carb make 30 more horsepower over the ...
by smokie
Mon Feb 12, 2024 5:37 pm
Forum: Engine Tech
Topic: One rod 10 grams heavier on big end
Replies: 22
Views: 1294

Re: One rod 10 grams heavier on big end

Isn't is half the stroke? 3.75/2=1.875. That's shows almost 1/2 pound out of balance.
by smokie
Sat Feb 10, 2024 10:39 pm
Forum: Engine Tech
Topic: Carb recommendation SBC 383
Replies: 78
Views: 2726

Re: Carb recommendation SBC 383

ChopperScott wrote: Sat Feb 10, 2024 8:25 pm I’ve got a Quick Fuel Q-750-AN t that I may be willing to part with.
I can't afford it. They are nice.
by smokie
Sat Feb 10, 2024 9:45 pm
Forum: Engine Tech
Topic: Carb recommendation SBC 383
Replies: 78
Views: 2726

Re: Carb recommendation SBC 383

850 for the 1.75" throttle bores. How much would I be giving up going with a 750? Not a lot on the street. The 850 has a bit more potential but still gets a strong venturi signal with big throttle bores, although of course that's mostly a full throttle thing. I'm seriously considering a profor...
by smokie
Sat Feb 10, 2024 9:26 pm
Forum: Engine Tech
Topic: One rod 10 grams heavier on big end
Replies: 22
Views: 1294

Re: One rod 10 grams heavier on big end

Thanks everyone, I told him to run it.
by smokie
Sat Feb 10, 2024 9:24 pm
Forum: Engine Tech
Topic: Carb recommendation SBC 383
Replies: 78
Views: 2726

Re: Carb recommendation SBC 383

Tom68 wrote: Sat Feb 10, 2024 8:20 pm 850 for the 1.75" throttle bores.
How much would I be giving up going with a 750?
by smokie
Sat Feb 10, 2024 9:22 pm
Forum: Engine Tech
Topic: Carb recommendation SBC 383
Replies: 78
Views: 2726

Re: Carb recommendation SBC 383

Racer97 wrote: Sat Feb 10, 2024 9:18 pm Need more gear and converter if for max drag racing set up.

I agree, but it's street strip
by smokie
Sat Feb 10, 2024 8:11 pm
Forum: Engine Tech
Topic: Carb recommendation SBC 383
Replies: 78
Views: 2726

Carb recommendation SBC 383

I need a little help deciding on a carb. 385 sbc Victor Jr intake 2975 Afr enforcer/proheader dart 200 platinum copies 195cc 2.02-.1.6 valves 10.65-1 Comp cams xr294hr .540"-.560"244-248 @.050" 110 lsa installed on 105 3,500 stall th400 3.73 geared 3,500 lbs 85 SS Monte Carlo street/s...
by smokie
Thu Feb 08, 2024 11:32 pm
Forum: Engine Tech
Topic: One rod 10 grams heavier on big end
Replies: 22
Views: 1294

One rod 10 grams heavier on big end

Someone I know is building a 383. While assembling he managed screwing up the threads on one rod cap screw hole. The rods he's using are scat h beam 6" rods. He found another rod that is one gram lighter overall, but it's 10 grams heavier on the big end. His engine machinist is telling him it w...
by smokie
Sat Jan 20, 2024 3:59 pm
Forum: Engine Tech
Topic: SBC fuel pump recommendation
Replies: 9
Views: 773

Re: SBC fuel pump recommendation

I ran this pump, Carter Muscle Car Mechanical Fuel Pumps M6624, for several years at the track with a 406 shifting at over 6000 rpm. I had adequate fuel pressure crossing the line. I wasn't until I ran a larger engine and a 5000 rpm converter that I started seeing pressure issues across the line. A...
by smokie
Sat Jan 20, 2024 3:56 pm
Forum: Engine Tech
Topic: SBC fuel pump recommendation
Replies: 9
Views: 773

Re: SBC fuel pump recommendation

I asked straub and they said most people used these in their street cars. They said they've only had one go bad and that was because the pin that holds the lever in place let go and it bent the pushrod. I've heard several people say they haven't had any problems with these and the ampco 45 doesn't m...
by smokie
Sat Jan 20, 2024 11:29 am
Forum: Engine Tech
Topic: SBC fuel pump recommendation
Replies: 9
Views: 773

Re: SBC fuel pump recommendation

I'm running a comp cams xr294hr in my 383, I bought an aluminum fuel pump pushrod with ampco 45 bronze on one end and steel tip for the fuel pump fulcrum. I'll probably use the rpm pump, but might try another Carter m6900.
by smokie
Fri Jan 19, 2024 9:37 pm
Forum: Engine Tech
Topic: SBC fuel pump recommendation
Replies: 9
Views: 773

SBC fuel pump recommendation

I've built a SBC 383 and I'm looking for a good mechanical fuel pump. It's a street car that will see some track time, probably around 450+ horsepower, th400 trans, 3500 stall and 3.73 gears. I've been out of hot rodding for about 15 years (at least) and everything has changed. Everything is made in...