Thread: Tubular VS Redesigned Protech log

just about.

have you dyno'd your car yet? I know a guy with a DE with s4's making 360ish whp at 16psi, you should bet that no problems.

yeah that is my work in progress ...I was just putting some of the stuff on it to get an idea how it is going to come out , I have to order some gaskets , while I am waiting on the water lines ...I just posted the pic to give an Idea how sexy the other manifolds look

I read in a thread that log manifolds cause reversion in ve motors.. not sure if thats true or not but if it is then the other manifold will help

I know full race did a test awhile back comapring the tublar vs. log. The tublar did 50-60hp more on the top end.

Put it this way, my old car with a tublar and O2 mani., did 381hp on 10psi. Oh and this was on DE with stock cams and a T3/T67.

Between the 2 mods, you should gain at least 80-100whp up top.

Tubular really only shows gains in the top end and they make a bit of a larger power band. The larger primary diameters and longer runners allow for the big gains.

Brent

True, but where else does a turbo car need power?

that's some awesome numbers you had there!

^Nice motor.......Did you get the oil filter housing?



^Nice in the bold.

^Dayam! tubular FTW! I'm liking the O2 mani more and more. Dang that is a hot piece



^ x 2............on stock cams.

Gay-Rod (NX$paniard) made 400whp on 14psi. iirc he doesnt have much done to the block minus rods. he DOES have an 02 induction manifold and Q45 tb which seems to make it a hell of a lot easier for the engine to breathe. best way is to get in touch with him and he can let you know how he got there.

I actually pioneered a lot of this setup and found out in fact that the log manifold causes reversion with stock VE cams. But I have VET cams now. They took out 30* of overlap.