sbc 18 degree 406 cui twin carburators

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18 degree sbc
Posts: 2
Joined: Thu Apr 12, 2018 2:54 pm

sbc 18 degree 406 cui twin carburators

#1 Post by 18 degree sbc » Thu Apr 12, 2018 3:25 pm

Hi

i wounder what carburators you should suggest on this combo race engine

4.125 bore
3.80 stroke
sheetmetal intake hoogan for 2 carburators 4150 or 4500 top have both
brodix 18C heads flow 370 cfm int 250 cfm exh 750 lift 2.18 titan intake valve 1.625 exh titanium valve
15.1 comp with my 53 cc chamber
wet sump pan
camshaft 275 in 284 exh dur @0.50 lift 800 in 780 exh
112 lobe sep 109 intake centerline

6 inch rods

vacuum pump

should you have 2 dominator 1050 carbs or 2 4150 750 demon carbs



powerglide with right converter ( dont now yet ) stallspeed

2640lbs full tube car

thinking about 780-790 corrected horsepower with this combo

thanks

Toby
Posts: 5
Joined: Mon Dec 03, 2018 3:56 pm

Re: sbc 18 degree 406 cui twin carburators

#2 Post by Toby » Wed Dec 12, 2018 3:46 pm

I would recommend 2 800 cfm. Here is an example of our Aerosol Billet Carburetors.

Toby Johnson
C & S SPECIALTIES
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Dual Quads.jpg
Last edited by Toby on Wed Jan 09, 2019 12:24 pm, edited 1 time in total.

18 degree sbc
Posts: 2
Joined: Thu Apr 12, 2018 2:54 pm

Re: sbc 18 degree 406 cui twin carburators

#3 Post by 18 degree sbc » Fri Dec 21, 2018 6:22 pm

i have this 2 from a 358 sbc prostock truck
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Toby
Posts: 5
Joined: Mon Dec 03, 2018 3:56 pm

Re: sbc 18 degree 406 cui twin carburators

#4 Post by Toby » Wed Jan 09, 2019 9:40 am

Sorry just getting back, the holiday's and all. What size carbs?
Last edited by Toby on Wed Jan 09, 2019 12:24 pm, edited 1 time in total.

Toby
Posts: 5
Joined: Mon Dec 03, 2018 3:56 pm

Re: sbc 18 degree 406 cui twin carburators

#5 Post by Toby » Wed Jan 09, 2019 9:43 am

I am sorry I was thinking pro stock motor. Probably making close to 900hp.

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