putting a bov on my 7.3 - Ford Powerstroke Diesel Forum

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post #1 of 36 Old 08-23-2012, 08:10 AM Thread Starter
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putting a bov on my 7.3

I have been looking in to putting a bov on my truck. I know some of the guys on here are going to say to research the forum i didn't find what i was looking for. Here is why i am looking in to putting one on... i did my pushrods and valve springs gained 2psi. Went and seen what its got at 3/4 throttle 27 lbs of boost 130 mph. When i let out all the pressure hit the tranny really hard. So i need another way of releasing the boost. I know they don't make vacuum.but what about the intake or the air intake. Help is much needed to figure this out. Sorry if any wierdly spelled words did this from my phone. Its got auto correct.


Mike

2000 F-250 crew cab

Stage 2 injectors (single shot's)

Internatonal bellowed up pipes

TS 6 position chip

Custom Tony Wildman tunes

Smith Brother's Push Rods
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post #2 of 36 Old 08-23-2012, 03:18 PM
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what do you mean hit the tranny real hard? describe what your experiencing?

2002 F-250 XLT 4x4 offroad extended cab short bed
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post #3 of 36 Old 08-23-2012, 06:23 PM Thread Starter
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Well i let out of it and it was like the boost released and the pressure put a strain on it i guess you can say. I checked my intake for vacuum strength and it was really weak. Do the bov's require alot of vacuum? There may be slot under high boost but it probably releases pretty quick

2000 F-250 crew cab

Stage 2 injectors (single shot's)

Internatonal bellowed up pipes

TS 6 position chip

Custom Tony Wildman tunes

Smith Brother's Push Rods
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post #4 of 36 Old 08-23-2012, 06:36 PM
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Do you have a stock turbo? With the mods you have a stock turbo will surge and bark when you put the hammer down

'00 F-350 7.3 6637 mod with php tunes.
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post #5 of 36 Old 08-23-2012, 07:45 PM Thread Starter
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Ya its a stock one. I am,makin like 460hp with it. I gotta do somethin i am gonna end up breaking something in the trans.

2000 F-250 crew cab

Stage 2 injectors (single shot's)

Internatonal bellowed up pipes

TS 6 position chip

Custom Tony Wildman tunes

Smith Brother's Push Rods
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post #6 of 36 Old 08-23-2012, 08:07 PM
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yea, that stock turbo hate those stage 2 sticks. time for an upgrade bro.

'00 F-350 7.3 6637 mod with php tunes.
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post #7 of 36 Old 08-23-2012, 08:09 PM
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a g38r is a drop in replacement, 460 hp will destroy a stock turbo

'00 F-350 7.3 6637 mod with php tunes.
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post #8 of 36 Old 08-24-2012, 12:22 AM
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Quote:
Originally Posted by Michael H. View Post
Ya its a stock one. I am,makin like 460hp with it. I gotta do somethin i am gonna end up breaking something in the trans.
What size injectors do you have? Have you dyno'd at 460? unless you have some big stage 2s you are no where near that. I have 180/100 and with a 38r I'd still only be around 450.

The stage 2s will kill the stock turbo very quick. You have no need for a BOV, just get a bigger turbo. Even a van turbo. There is nothing "hitting your tranny" unless you are feeling the tc being locked and slowing the truck. Put a vb and tc in the tranny to help it live. It's not if, it's when you kill it running stage 2s on a stock trans with no upgrades.

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post #9 of 36 Old 08-24-2012, 02:25 AM Thread Starter
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They are 200cc's i believe. Van turbo? How much bigger is that?

2000 F-250 crew cab

Stage 2 injectors (single shot's)

Internatonal bellowed up pipes

TS 6 position chip

Custom Tony Wildman tunes

Smith Brother's Push Rods
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post #10 of 36 Old 08-24-2012, 05:08 AM
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Quote:
Originally Posted by ken6881 View Post
what do you mean hit the tranny real hard? describe what your experiencing?
ya... wtf

Quote:
Originally Posted by Michael H. View Post
Ya its a stock one. I am,makin like 460hp with it. I gotta do somethin i am gonna end up breaking something in the trans.
No your not. Sorry, that dinky stock turbo isn't making anywhere near 460whp.

Quote:
Originally Posted by dentexcoalroller View Post
There is nothing "hitting your tranny" unless you are feeling the tc being locked and slowing the truck. .
My money is on this. When these trucks' tc's are locked, they are basically in direct-drive and every time you touch the throttle, its like engaging the clutch in a manual, and every time you let off, it pulls the clutch off. So it can be rigid.
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