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That depends on how much you increased the boost with the MBC. The DDP will increase boost and decrease spool time...if you are hitting in the ~12 psi boost range now (with a stock AFM), adding the DDP will make you hit fuel cut.

I knew this was where you were going...very nice Nick :bigthumb:

I would, but the Cygnus site is down...the tests for each is under the EFI system section. As for the screw...you are kinda on your own. Edit: Found this: http://born2drv.com/TSRM/Service%20Manual/

One word...yes

:umno: Non-interference motor...the pistons do not go higher than the top of the block. You need to make it very, very clear to the machinist that the RA spec is critical for a MHG on this motor.

Based on what he' said about the CPS matching the picture I'll bet it's like he said...it's the cam gears and not the CPS. I just wanted to make sure the diag block was jumpered (common mistake) before making that concluson.

That's with the diagnostic block jumpered between E1 and TE1? Advanced timing like that will also cause the popping you described.

Why does this NOT surprise me.. Don't get me started on our "all knowing expert" Hollywood personalities. :rant2:

The pop is probably due to idle being a little rich...no biggie...assuming you have the timing set at 10 BDTC with the diag block jumpered per the TRSM. Did you check for codes?

YES! Change the oil ASAP in case it's contaminated with water. It will have the same effect as a BHG allowing coolant into the crank case...the bearings will score...rod knock is next!

If you want to know the differences between the different types of MHG's, look at this: http://www.supramania.com/forums/showpost.php?p=216396&postcount=5 The amount of material does affect compression. A thicker HG than stock will decrease compression...thinner will increase compression...

Nope...just the math above. Since you have rod knock, you will have to have work done to your crank shaft and rods. Make sure your mechanic sets the rod bearing clearances to the tighter side of the TRSM spec. The 7M does not like sloppy bearings...you will just get the knock again.

Then why didn't you say that to begin with :3d_frown: I didn't hit you with sarcasm, but you felt the need to hit me...personal attacks do not help. I try to make my posts perfectly clear...if it sounds basic, well that's better than talking over someone's head. This is not rocket...

Hi...I'm jdub...slayer of Supra HG myths and prophet of Supra enlightenment ;) J/K...but it feels like that sometimes concerning the numbers floating around on HG bolt/stud torque. For ARP hardware, follow the torque spec that ARP supplies with the package...do not over torque! The...

It should look like this:

Cooleze sells a nice set...kinda pricey though Search eBay

Oh God...nooooooo :fart:

Don't need the sarcasm dude :3d_frown: If someone has a MBC installed, one has to assume that it's for increasing boost above stock. A DDP with his mods and no boost controller (boost at stock levels) would not even come close to fuel cut. And this is what you posted: You said that...

If he increased his boost using a MBC (not shims), yes he can "turn it down" by turning the adjustment valve more closed and decreasing the amount of bleed allowed by the MBC.

I would take a look at the CPS...cracked wiring on the CPS wiring or in the harness leading to it.