TNBrett
Full Access Member
So as I’ve mentioned a couple of times, I’m going to be doing head gaskets and studs before too long. I typically don’t like to have things torn apart any longer than I need to, and I was thinking about having the heads from my trucks original N/A motor reworked before I tear it down. The engine now is a ‘93 factory turbo with unknown but presumably higher mileage.
Are there any differences between the N/A and IDIT heads?
On the N/A heads, there’s an exhaust valve or two on each with some play, so I’m assuming they will need guides. I think it’s safe to assume that the IDIT heads will probably need them too.
As a positive for the N/A heads, the precombustion chambers look to have very minor cracking, at least compared to some pictures I’ve seen. On the other hand though, it looks to me like both of the N/A heads had been off and had some work done to them. One head looks to have had new valves installed, and it looks like someone went wild with a center punch staking the precombustion chambers in place. It doesn’t however look like they were machined at all. The other head looks to have the original valves still in it, but there are obvious marks on the chambers from machining.
What do you guys think?
Also, does anyone have a recommendation for a machine shop familiar with these heads. In the Nashville area would be great, but I’m not afraid to stick them on a pallet and ship them.
Are there any differences between the N/A and IDIT heads?
On the N/A heads, there’s an exhaust valve or two on each with some play, so I’m assuming they will need guides. I think it’s safe to assume that the IDIT heads will probably need them too.
As a positive for the N/A heads, the precombustion chambers look to have very minor cracking, at least compared to some pictures I’ve seen. On the other hand though, it looks to me like both of the N/A heads had been off and had some work done to them. One head looks to have had new valves installed, and it looks like someone went wild with a center punch staking the precombustion chambers in place. It doesn’t however look like they were machined at all. The other head looks to have the original valves still in it, but there are obvious marks on the chambers from machining.
What do you guys think?
Also, does anyone have a recommendation for a machine shop familiar with these heads. In the Nashville area would be great, but I’m not afraid to stick them on a pallet and ship them.
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