Rotary Car Club - View Single Post - Over-Rev Disaster?

NoDOHC · 08-25-2009, 10:01 PM

You can cut the diffusers out with a hammer and cold chisel is about 30 seconds. It is a lot of work driving the dowels out, I would just remove the diffusers from the NA sleeves (making them identical to turbo sleeves).

I have never seen a stock rotary fail due to overrevving. I would guess this was carbon that built up in the intake manifold due to the oil injection and then got sucked into the engine at high speeds when the ports opened.

08-25-2009, 10:01 PM	#10
NoDOHC The quest for more torque Join Date: Sep 2008 Location: Sheboygan, Wisconsin Posts: 855 Rep Power: 17	You can cut the diffusers out with a hammer and cold chisel is about 30 seconds. It is a lot of work driving the dowels out, I would just remove the diffusers from the NA sleeves (making them identical to turbo sleeves). I have never seen a stock rotary fail due to overrevving. I would guess this was carbon that built up in the intake manifold due to the oil injection and then got sucked into the engine at high speeds when the ports opened. __________________ 1986 GXL ('87 4-port NA - Haltech E8, LS2 Coils. Defined Autoworks Headers, Dual 2.5" Exhaust (Dual Superflow, dBX mufflers) 1991 Coupe (KYB AGX Shocks, Eibach lowering springs, RB exhaust, Stock and Automatic) Last edited by NoDOHC; 08-25-2009 at 10:04 PM.