Prototype Engine Saga round 2. - ZR-1 Net Registry Forums

Tyler Townsley · 07-02-2015

As some of you know I found a phase II motor from ex5010 at Carlisle several years ago and decided to use it to replace the original motor I had done for Queenie in 2004. The original motor had suffered extensive cyl wash during the time it took me to iron out the wiring and injector problems. I had Geoff do the work and picked up the car. When I unloaded the car I lost oil pressure. It's taken me months of off and on work but I finally figured out the problem.

These engines were virtually hand built and each one had its own engineering changes. Geoff used the pan from the first engine which was a later engine than the ex5010 engine. In between the 2 engines they redesigned the oil pickup on the motors. The pickup was a little over a cm off and it the o ring did not fit correctly and seal the p/u between the block and the p/u. I pulled the pan at least 6 times trying to get it to seal before I decided to check the mating between the pan and block.

It has pressure now but it was a frustrating fix.

Tyler

W i l l · 09-15-2015

Tyler, you are better than Sherlock Holmes. Congratulations on finding the problem!!

Blue Flame Restorations · 09-16-2015

Good work, Tyler!

07-02-2015	#1
Tyler Townsley Join Date: May 2005 Location: Nichols, FL Posts: 611	Prototype Engine Saga round 2. As some of you know I found a phase II motor from ex5010 at Carlisle several years ago and decided to use it to replace the original motor I had done for Queenie in 2004. The original motor had suffered extensive cyl wash during the time it took me to iron out the wiring and injector problems. I had Geoff do the work and picked up the car. When I unloaded the car I lost oil pressure. It's taken me months of off and on work but I finally figured out the problem. These engines were virtually hand built and each one had its own engineering changes. Geoff used the pan from the first engine which was a later engine than the ex5010 engine. In between the 2 engines they redesigned the oil pickup on the motors. The pickup was a little over a cm off and it the o ring did not fit correctly and seal the p/u between the block and the p/u. I pulled the pan at least 6 times trying to get it to seal before I decided to check the mating between the pan and block. It has pressure now but it was a frustrating fix. Tyler

09-15-2015	#2
W i l l Join Date: Jul 2005 Posts: 77	Re: Prototype Engine Saga round 2. Tyler, you are better than Sherlock Holmes. Congratulations on finding the problem!!

09-16-2015	#3
Blue Flame Restorations Join Date: Feb 2010 Location: Pendleton, IN Posts: 3,899	Re: Prototype Engine Saga round 2. Good work, Tyler! __________________ 1988 KOH Prototype EX5023 sold 1990 ZR-1 #444 Convertible 1990 ZR-1 Black #966 1991 ZR-1 Quazar Blue #296 1957 Duntov SS Project