did you check stupid stuff like MAF, header gaskets, O2 bundle?

 

I had a miss on my stock engine and couldn't find it like you. Then I bought a new 383 engine after paying $20.000+, now I'm thinking why I didn't buy a LSX engine!

 

lately im not gonna lie, ive been tempted to sell the extra set of LT1 heads i plan on porting and just buy an LS1.

unfortunately, i have too much fun being the underdog to actually do it.

 

cause my car is only worth 3-4K and i will make way more money parting it out... Plus I learned a long time ago not to make my fun car my daily driver...

MAF is good, no leaks at the header gaskets, and O2's are good.... I swear I have checked everything!!!

 

How about the PCM connectors. I had and issue with a loose/failing connection at one of the sockets in one of my PCM connectors once. It's worth a look, they're pretty easy to take apart and check.

 

what about the ignition control? swaped that with a known good? I would look at the compresion and leakdown numbers first . Maybe a chiped valve . had that happen to me motor ran good cept for in the upper end range .

 

How the hell did you spend $20k on an hydraulic roller LTx build?

 

Did you try another MAF for S&G?

 

I even don't know! Engine built @ Thunderracing and with highest quality parts (AFR, Oliver, Lunati, Diamond ...) but yeah thats the price! The price includes clutch, flywheel, fuel system, Pro5.0 shifter too. After I saw other good places such as Victory Racing and their prices damned!

 

That's insane...

I don't even have $10k into my engine build bottom to top, with my transmission, converter, and ford 9" (granted the ford 9" I got for a steal).

Do you have any numbers to show out of all that money yet?

 

I couldn't understand, I have the invoice, if you mean that. Actually its too much, but when I think there are lots of things that cost a lot. Only Morel lifters are 500$, or ATI Damper 450$, its almost complete engine. Oh and now I'm tired of dealing this +&/^' cam is too big for the street so I'm changing my setup to FI, that means new pistons, new cams, new injectors. But again, I wish I had go with LSX engine !!

 

The owner of the shop said he checked the voltage and readings at the PCM connectors and they were good.

Heads were pulled and looked at, they passed a visual inspection. Ignition control module was replaced... Forgot to write that in the first post too.

 

Hi, I tried to PM but your box is full. Interested in your MSD wires, Opti, and injectors (if your are selling them), please let me know. thanks so much

 

In any of those shops was the ignition ever put on an oscilloscope?

 

i second putting it on a scope .