Don Terrill’s Speed-Talk

I would say that widening the ssr is a common move, but i was wondering if that would add to the thumble?

Does anyone have experience measuring tumble with this type of floor shape? Thanks,



-juhana

Because no one wants to admit that they use more than 92% valve to throat percentage on intake.. Type 1 vw head paired with a dual port manifold work in progress.. Screenshot_2023-12-29-21-56-52-74_92460851df6f172a4592fca41cc2d2e6.jpg IMG20231229163806.jpg -juhana I have recieved something like tha...

My problem, I think it's on a more delicate area, and probably there's nothing that can be done to improve it, the ducts are pretty much stock, but the previous owner enlarged the throat area in the seat, so the seat is like straight and then 45 degrees, the seat is flush to the throat, straight, I...

Why isn’t anyone looking at runner to throat percentage Because no one wants to admit that they use more than 92% valve to throat percentage on intake.. Type 1 vw head paired with a dual port manifold work in progress.. Screenshot_2023-12-29-21-56-52-74_92460851df6f172a4592fca41cc2d2e6.jpg IMG20231...

Thanks for the answers. I picked up the heads today and they look like this;



-juhana

Why isn’t anyone looking at runner to throat percentage Because no one wants to admit that they use more than 92% valve to throat percentage on intake.. Type 1 vw head paired with a dual port manifold work in progress.. Screenshot_2023-12-29-21-56-52-74_92460851df6f172a4592fca41cc2d2e6.jpg IMG20231...

Here a lower package is in the fitting. The manifold needs work and maybe a spacer, its just been cleaned.



-juhana

I have one pair on shipping that i picked up online. The seller said they were off the -68 mustang. I see markings 302 and V2 in the picture and possible cast in recessed spring pockets? Screenshot_2023-12-28-15-30-34-02_6012fa4d4ddec268fc5c7112cbb265e7.jpg I can of course take more pictures when th...

I have sprayed more fluid when i didnt believe the results of it keeping suspended with the airflow

My shop vac has two filters, i last used it yesterday and it hasnt exploded yet.



-juhana

Im trying to think of what youre leaving out and maybe it has something to do with how the port flows with different manifolds?

Did we see the fuel vaporize before it entered the cylinder? So could we try to put more emphasis on flow instead of mixture motion?



-juhana

I use a mix of AnreiB-Fluid and alcohol, but i found the density of Dykem in its safety data sheet; 32375.pdf LPG 0.525 to 0.580 20%-30% Butyl Acetate 0.882 20%-30% Ethanol 0.789 30%-40% = 0.746 if i calculated correctly, the specific gravity is not much heavier than the fuel. I use acetone to clean...

I got to try my first single plane manifold using a shop vac :) https://youtu.be/-p5eMrrYY04?feature=shared One vacuum source that is branched into several ports equalizes the velocitys. I dont know what its about but ive seen it before. I think blowing from one source to several branches makes the ...

Chevy 193 Swirl port cylinder heads, 27th add Edelbrock Performer Rpm Quadrajet intake. Bigger ex.

https://youtu.be/MOfMaRBKYzc?feature=shared

Will this be carburetor or efi and is there a hood clearance to consider?



-juhana

What was Edelbrock thinking about cylinders 4 and 5, when they made this Scorpion 2 intake for a sbc? I gave it a clean up and then compared the areas and found that 4 and 5 are 3,346inches long and have an average area of 2,7in2, where as the other ports are somewhat bigger the longer they are. IMG...

Polish the fastest average and or the fastest local area and see if that increases the max flow through MCSA



-juhana