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ECR LS Heads

General engine tech -- Drag Racing to Circle Track

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CGT
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ECR LS Heads

Post by CGT » Tue Mar 24, 2020 9:37 am

Thought some may be interested in looking at these. They are not real common....not sure what im going to do with them yet. From Childress
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There are basically two types of people. People who accomplish things, and people who claim to have accomplished things. The first group is less crowded.
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Re: ECR LS Heads

Post by hoffman900 » Tue Mar 24, 2020 10:46 am

Are these from the Grand Am / IMSA engines?
-Bob

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Re: ECR LS Heads

Post by CGT » Tue Mar 24, 2020 10:52 am

hoffman900 wrote:
Tue Mar 24, 2020 10:46 am
Are these from the Grand Am / IMSA engines?
I think but I'm not certain, I have little to no information on the heads other than my own measurements.
There are basically two types of people. People who accomplish things, and people who claim to have accomplished things. The first group is less crowded.
Mark Twain

Golf is a good walk spoiled.
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Re: ECR LS Heads

Post by hoffman900 » Tue Mar 24, 2020 11:27 am

CGT wrote:
Tue Mar 24, 2020 10:52 am
hoffman900 wrote:
Tue Mar 24, 2020 10:46 am
Are these from the Grand Am / IMSA engines?
I think but I'm not certain, I have little to no information on the heads other than my own measurements.
There were so many rule changes over the years with bite sizes, restrictors sizes, compression, rpm limits, etc. I would be curious to what you have.
-Bob

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Re: ECR LS Heads

Post by CGT » Tue Mar 24, 2020 11:44 am

hoffman900 wrote:
Tue Mar 24, 2020 11:27 am
There were so many rule changes over the years with bite sizes, restrictors sizes, compression, rpm limits, etc. I would be curious to what you have.
As would I. :lol: . I know Tony Knight has(had) a pair from a previous thread. The sellers on ebay that sell them when they come up don't know shit about them...I've been wanting a set to look at, so when a set popped up I scooped them up. They are very cool to look at and study. My measurements seem to mostly agree with the Knightengines from the thread a year or so ago.


I just thought some may be interested in looking at pics of them or talking about them. They will eventually end up on my LS3 dyno project most likely....but it will take a decent amount of work and changes to run them.. Either way, they were worth what I gave for them.
There are basically two types of people. People who accomplish things, and people who claim to have accomplished things. The first group is less crowded.
Mark Twain

Golf is a good walk spoiled.
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Re: ECR LS Heads

Post by hoffman900 » Tue Mar 24, 2020 12:12 pm

CGT wrote:
Tue Mar 24, 2020 11:44 am
hoffman900 wrote:
Tue Mar 24, 2020 11:27 am
There were so many rule changes over the years with bite sizes, restrictors sizes, compression, rpm limits, etc. I would be curious to what you have.
As would I. :lol: . I know Tony Knight has(had) a pair from a previous thread. The sellers on ebay that sell them when they come up don't know shit about them...I've been wanting a set to look at, so when a set popped up I scooped them up. They are very cool to look at and study. My measurements seem to mostly agree with the Knightengines from the thread a year or so ago.


I just thought some may be interested in looking at pics of them or talking about them. They will eventually end up on my LS3 dyno project most likely....but it will take a decent amount of work and changes to run them.. Either way, they were worth what I gave for them.
For a specific combination, no doubt they're about as good as it gets. I guess Tony would be your best resource on here for them. That was a good thread.
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Re: ECR LS Heads

Post by CGT » Tue Mar 24, 2020 12:17 pm

hoffman900 wrote:
Tue Mar 24, 2020 12:12 pm
For a specific combination, no doubt they're about as good as it gets. I guess Tony would be your best resource on here for them. That was a good thread.
Tony and I have talked. His project with them wasn't complete last time we did. I just thought some may be interested in looking at pics, I don't believe the previous thread had any.
There are basically two types of people. People who accomplish things, and people who claim to have accomplished things. The first group is less crowded.
Mark Twain

Golf is a good walk spoiled.
Mark Twain

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Re: ECR LS Heads

Post by steve316 » Wed Mar 25, 2020 12:18 am

Chad have you had them on a bench yet?

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Re: ECR LS Heads

Post by CGT » Wed Mar 25, 2020 9:23 am

steve316 wrote:
Wed Mar 25, 2020 12:18 am
Chad have you had them on a bench yet?
No, I haven't. Mostly just have done some measuring, admiring, and mocking things up with them. I think they would run really good.

I've mocked them up with a LS3 and a LS7 manifold, neither is quite right but the LS3 would take less work to get on there. Would need a custom piston for what I'd want to do with them. but I was planning on a new set of pistons when I upgrade my shortblock anyway. Biggest obstacle is rockers.. don't know if I like them enough to spend a couple thousand dollars on rockers, and I'm not having any luck finding a take-off set.
There are basically two types of people. People who accomplish things, and people who claim to have accomplished things. The first group is less crowded.
Mark Twain

Golf is a good walk spoiled.
Mark Twain

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