got my 24x kit, I'm a little upset.
#1
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So I get in my kit today and start mocking some parts up. My harness is still being done and the timing cover is at the shop for powdercoating.
Anyway, first thin I notice when I opened the box is the crank sensor is brandname "Standard". OK not bad but not AC Delco. Being that I work in a GM parts dept, this is the brand we get from across the street when the customer doesn't want to pay for a "Genuine GM Part"
OK, whatever!!! so I sit down and prepare for placing the parts on the engine (it's on the stand). The crank reluctor fit nice, good tight fit on the keyway.
Now to the cam reluctor. I already know, after talking to Mike about the dowel pin that drives the opti. Mine can't be pushed in because of being a custom ground cam and the pin is correct length for opti drive and will have to cut it. So I want to just mock it up.
HUH, WHAT THE ####??? it doesn't fit on the dowel. Really??? $565 and I have to drill the hole bigger????
So I break out the dial calipers and start measuring. Dowel pin = .250" ( like it should be.) Measure the reluctor...= .243"
Just my experience so far but apparently many have had good success and as I plan on doing as well. But I don't feel I should have to be drilling on a CNC'd piece that' supposed to fit and getting aftermarket parts when GM parts are recommended, priced and paid for.
So far, not too impressed. But hopefully by the time I get it all bolted on and together, things start to work out the way it should.
Anyway, first thin I notice when I opened the box is the crank sensor is brandname "Standard". OK not bad but not AC Delco. Being that I work in a GM parts dept, this is the brand we get from across the street when the customer doesn't want to pay for a "Genuine GM Part"
OK, whatever!!! so I sit down and prepare for placing the parts on the engine (it's on the stand). The crank reluctor fit nice, good tight fit on the keyway.
Now to the cam reluctor. I already know, after talking to Mike about the dowel pin that drives the opti. Mine can't be pushed in because of being a custom ground cam and the pin is correct length for opti drive and will have to cut it. So I want to just mock it up.
HUH, WHAT THE ####??? it doesn't fit on the dowel. Really??? $565 and I have to drill the hole bigger????
So I break out the dial calipers and start measuring. Dowel pin = .250" ( like it should be.) Measure the reluctor...= .243"
Just my experience so far but apparently many have had good success and as I plan on doing as well. But I don't feel I should have to be drilling on a CNC'd piece that' supposed to fit and getting aftermarket parts when GM parts are recommended, priced and paid for.
So far, not too impressed. But hopefully by the time I get it all bolted on and together, things start to work out the way it should.
#2
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That stinks, this is the first I've heard of this. Did you give Mike a call? I know that they dont make the reluctors in house, so maybe he can call the manufacturer and square it away.
Your wife will be driving that beast before you know it! You seemed antsy to get it together when you were at the shop!
Your wife will be driving that beast before you know it! You seemed antsy to get it together when you were at the shop!
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#6
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We designed the 24x conversion with a stock GM engine (1994 LT1). The camshaft reluctor fits the GM dowel pin. For some reason, some aftermarket camshafts have a slightly larger OD dowel pin. It is unfortunate that the aftermarket does not keep to the geometries of GM's design. This is the source for frustration for us both. I'm very sorry you had to ream the dowel hole 0.007".
We are seeing more and more sensors manufactured in the same facility and simply put in different packaging. In this case, the Standard sensor is an AC Delco sensor (it is also an Airtex sensor). If we could afford the manufacturer's minimum requirement, EFI Connection's name would be on the box or bag. What you didn't receive was an AC Delco box or plastic bag.
We are seeing more and more sensors manufactured in the same facility and simply put in different packaging. In this case, the Standard sensor is an AC Delco sensor (it is also an Airtex sensor). If we could afford the manufacturer's minimum requirement, EFI Connection's name would be on the box or bag. What you didn't receive was an AC Delco box or plastic bag.
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#8
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I didn't know you guys had cam position sensors too that's pretty slick.
We have some pretty cool stuff in the works related to the camshaft signal.
#9
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We designed the 24x conversion with a stock GM engine (1994 LT1). The camshaft reluctor fits the GM dowel pin. For some reason, some aftermarket camshafts have a slightly larger OD dowel pin. It is unfortunate that the aftermarket does not keep to the geometries of GM's design. This is the source for frustration for us both. I'm very sorry you had to ream the dowel hole 0.007". Nice sarcasm!!!
We are seeing more and more sensors manufactured in the same facility and simply put in different packaging. In this case, the Standard sensor is an AC Delco sensor (it is also an Airtex sensor). If we could afford the manufacturer's minimum requirement, EFI Connection's name would be on the box or bag. What you didn't receive was an AC Delco box or plastic bag.
We are seeing more and more sensors manufactured in the same facility and simply put in different packaging. In this case, the Standard sensor is an AC Delco sensor (it is also an Airtex sensor). If we could afford the manufacturer's minimum requirement, EFI Connection's name would be on the box or bag. What you didn't receive was an AC Delco box or plastic bag.
But nevertheless, Many hobbiests / younger guys don't have the tools I have and gathered over the years to figure this out. They would have been at a loss and probably alot more pissed than me if they were leaning over the front of their car and had to figure this out. Most would have just grabbed a drill and a bit and commenced to drilling. Very, very few would have started mic'ing drill bits and have a drill press to drill straight and consistant.
Either way, it's a good kit and I'm looking forward to using it. But when I throw alot of money at something, I want it to be right. This has been a 13 month long, very meticulous build and it's in it final stages.
Last edited by SAPPER; 04-10-2013 at 08:17 AM.
#10
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Hmmm. I measured the pin on my "94's" original cam and my old hot cam, (yes I still have them), BINGO, .250"
But nevertheless, Many hobbiests / younger guys don't have the tools I have and gathered over the years to figure this out. They would have been at a loss and probably alot more pissed than me if they were leaning over the front of their car and had to figure this out. Most would have just grabbed a drill and a bit and commenced to drilling. Very, very few would have started mic'ing drill bits and have a drill press to drill straight and consistant.
Either way, it's a good kit and I'm looking forward to using it. But when I throw alot of money at something, I want it to be right. This has been a 13 month long, very meticulous build and it's in it final stages.
But nevertheless, Many hobbiests / younger guys don't have the tools I have and gathered over the years to figure this out. They would have been at a loss and probably alot more pissed than me if they were leaning over the front of their car and had to figure this out. Most would have just grabbed a drill and a bit and commenced to drilling. Very, very few would have started mic'ing drill bits and have a drill press to drill straight and consistant.
Either way, it's a good kit and I'm looking forward to using it. But when I throw alot of money at something, I want it to be right. This has been a 13 month long, very meticulous build and it's in it final stages.
#11
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But nevertheless, Many hobbiests / younger guys don't have the tools I have and gathered over the years to figure this out. They would have been at a loss and probably alot more pissed than me if they were leaning over the front of their car and had to figure this out.
#12
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Now that I'm thinking about it, we had no trouble with the camshaft reluctor installation (the dowel pin hole) with the stock 1996 LT1 rebuild that is currently for sale on ebay. Must be an aftermarket cam only thing. We will look into it.
#13
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I'm not saying it's your fault at all. But it's something some should be aware of. That's the idea of forums...to discuss and give heads up of personal experiences.
Trial and error, R&D, and fixes along the way. This way any future customers will have something to look at if they run in this issue and will know what to to to fix the problem.
I initially used a .250 bit and it was still very tight. It would have went on but it would have taken a tap and not what I want to deal with if I have to remove it. So I went up to a 17/64ths bit. I should have used my 6.5mm bit and it would have been a little bit tighter but it's good enough.
Trial and error, R&D, and fixes along the way. This way any future customers will have something to look at if they run in this issue and will know what to to to fix the problem.
I initially used a .250 bit and it was still very tight. It would have went on but it would have taken a tap and not what I want to deal with if I have to remove it. So I went up to a 17/64ths bit. I should have used my 6.5mm bit and it would have been a little bit tighter but it's good enough.
#20
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Thanks ram air. I will be ordering mine within a week, this isnt what I wanted to start reading. I was wondering if there were tolerances and at what point have i drilled too much.