Engine/Transmission (1994 - 1998) B-1 and ATS Manifold Install Pictures

[fishjack1]

Fitting downpipe - I would suggest paying the extra money for a complete downpipe...

 

[fishjack1]

While under the truck I snapped a shot of my resonator I installed to stifle the notorious 2300 rpm drone...

 

[fishjack1]

Last pic I promise - Done Deal. Time for a test drive

 

[fishjack1]

JGheen - as far as the turbo mounting studs on the ATS -you simply remove and reuse the stock 10mm studs off the old manifold. I was concerned about the removal of the bolts/studs etc. from the old manifold but they came right out, no problems.

 

[mike r]

How do you like the turbo with the automatic? I'm thinking about one and would like to know about the lagginess of it. Mike

 

[fishjack1]

First impressions from running the new turbo today - too much lag. ?. ?. Once you get in the 8-10psi boost range hold on - it rolls out... I am going to keep "feeling it out" for the next week or so.



EGTs with the stock HX-35 would hit 1500-1600 in a heartbeat now I have a hard time pushing the B-1 to 1250 at about 46psi of boost. My main objective (lower EGTs) was achieved but now its time for more fuel and perhaps less lag.



Maybe some 191 delivery valves will quench my thirst?



Does this ever end?? From back in 1998 when I thought - "well I'll try this TST #5 kit" to now in 2004 - "I may need delivery valves, o-ringed head and a cam" Damn this TDR

 

[mike r]

"I may need delivery valves, o-ringed head and a cam" Damn this TDR

I feel for you brother. Anyway, is the turbo a straight B-1 or one of the other derivatives? I'm curious because of what the recommendations people have with the automatic and the tight converters.

 

[fishjack1]

Mike - this is the regular B-1 not the KSB-1 (Quick Spool) I may end up swapping the housing for a quick spool to see the difference in EGTs and spool up. I'll keep you up to date on my observations.

 

[mike r]

Thanks, I'll be waiting.

 

[fishjack1]

Update on the lag issue...

Well I talked to Kurt about my lag problem with my new B-1 last week and he told me I had other issues, not turbo related. He told me that the B-1 should spool fine at my fueling level and that I probably had a fuel related problem. He went over my existing mods with me on the phone and told me I needed to try an AFC spring kit, and make sure everything was OK with my fueling before going to a smaller housing. I told him to send me the AFC kit and I would give it a try.



Well he was right. Just got finished installing the AFC spring kit (light spring) AND come to find out my governor lever was traveling below my #5 plate, never even making contact with it. Got finished a little while ago and went for a quick test run and WOW what a difference that made. Spool up has improved by 100%.



As a side note: I had some questions about the proper operation of the governor lever tonight. I came inside and made a quick post and the TDR came through as always..... Thanks Lsfarm and JohnE for the help...

 

[Hammer]

My stock manifold had 185,000 miles on it and was in pretty good shape - no cracks and did not shrink that much

I must be looking at a different picture then. Its easy to see just how much shrinkage there was by looking at the picture of the exhaust ports,less manifold. With the amount of exhaust leakage you had I'd be willing to bet it diodn't help the EGT reduction much and had caused some lag time... ... Andy

 

[fishjack1]

Hammer - maybe I should have said "decent shape"

Jack

 

[CATCRACKER]

19deg timing wow!

 

[JGheen]

fishjack1 - Well, how do you like the new set-up? Was it worth all the $$? How much peak boost do you get?

Also, do you remember what threads the stock turbo mounting studs were so I can get the right thread size stud puller?

Great lookin' set-up by the way. If you don't mind me asking, what did the turbo and manifold set you back$$?

 

[fishjack1]

Thanks for the compliment JGheen - Very happy with the set-up now that I have my fueling issues solved. I have a noticeable increase in power (seat of pants) but the main issue, my EGTs are now well under control. I dyno'd a while back (before the new turbo and some other mods) at 326hp and have more plans (fuel) for the truck and will dyno again shortly.



With the new turbo my boost is around 40psi and EGTs are at about 1150. With my stock turbo anything beyond about 35 psi was wasted (I could hit 50 psi with the stock turbo) and my EGTs were in the 1500 - 1550 degree range. I have not ran the truck to it's limit but I would imagine that 45psi would be no problem. At 70mph cruise my boost and EGTs have not changed much still about 700 degrees at about 7 psi.



FYI - The studs that hold the turbo on the manifold are 10mm x 1. 5, same threads as the manifold bolts. Keep in mind that there is an un-threaded area on the studs that you can get vice-grips on and easily remove them...



As far as my investment lets just say it was about four months worth of truck payments Something I have not had in quite some time That's my best way to justify bombs.

 

[JGheen]

Man, I am just really confused about this whole bigger turbo but same boost thing. I am running my HX-35 @ 38-40 psi max w/ a 14cm2 turbine and just wondering, in so many ways, how a bigger turbo(HX-40 or B-1) would be making the same boost as the stock 35 can. I would think the bigger the turbo, the more air that can be stuffed into the same intercooler, intake manifold and port volume but at a higher pressure, hence more boost. How did you set your wastegate up to get only 40 psi? Are you just breaking in the new turbo at that boost or are you scared of blowing a head gasket with anything higher?

 

[fishjack1]

I am by no means a "turbo expert" but from what I understand the flow of the stock turbo is very poor above about 30 - 35 psi. It is creating "back pressure" (for lack of a better term). The HX-40 and B-1 series of turbos have much larger outlets than stock and flow much better therefore the boost they build is more "usable". Someone please correct me if I am wrong.



As far as waste-gates go - "what's a waste-gate?" I am not running one and the 40 psi max is what I have seen having not pushed it to the limit yet - kinda worried about my head gasket. I will be addressing that (head gasket) next still researching my best option - o-ring, studded etc. .

 

[mrsmith]

Originally posted by mike r

How do you like the turbo with the automatic? I'm thinking about one and would like to know about the lagginess of it. Mike

I ran a B1 with a tight converter and auto,no problems with spool up with 4. 10 gears and 295/75/16 tires.

 

[CATCRACKER]

i am no turbo expert but i will say that the hx35 is out of it range after 32-35 lbs boost in other words all it is doing is pumping superheated air into the engine. the b1 runs a larger housing so with the same amount of fuel it will not boost as high. the 40lb put out by the b1 is cool air and well within the range of the b1. i will say that with this turbo alone you can make alot of hp you only hold back is you 180hp pump if you have the 215 you would see at least 50hp more and with piers stupid pump 75hp or more. your hold back now is not air only fuel. i am no expert and i maybe wrong but that is my 2cents. i know that guys have made 450-475hp with the stock hx35 but i imagine they had the 215 pump and lots of smoke.

 

[jponder]

Fishjack>Now that you got your new setup, you can go through that big mud bog at Red Creek