[BADDTA]

Does anyone know if there is an ARP head stud kit for this combo?I called KRE and they don’t have one. Thanks

Brian

[steve25]

Measure what you need and call ARP.

[slowbird]

Originally Posted by BADDTA

Does anyone know if there is an ARP head stud kit for this combo?I called KRE and they don’t have one. Thanks

Brian

KRE has built many engines with HP heads and their MR-1A blocks, they must have something???

[Scott Stoneburg]

Originally Posted by steve25

Measure what you need and call ARP.

This...they may not have a kit but will be able to get the studs you need.

[Gary H]

Wouldn't it be the same as Edelbrock round ports stud wise?

[mgarblik]

Originally Posted by Gary H

Wouldn't it be the same as Edelbrock round ports stud wise?

The IA 2 aluminum blocks have a very thick deck and very deep tapped holes for the studs. To get full benefit of the deep drilled deck, the studs could have an extra 1/2" to 3/4" of coarse threads on that end of the studs. Also, most studs for aluminum blocks have a bull nose end on the coarse threads that rest in the aluminum at the bottom of the holes. Not sure if the MR 1 aluminum blocks are made that way as I have not seen one in person. If the HP level of the build is going to be 500-600, I doubt the extra stud length is an issue. If a high HP build I would take the time to measure and optimize the stud length to take advantage of the extra threads. ARP has a large variety of studs in the 1/2" diameter. You need to provide them with: overall length, fine thread length, shank length and coarse thread length. Then choose the studs that are closest. They will be somewhat more expensive than buying a "Kit" from Jegs of course.

[steve25]

If your running shaft type rocker arms they need to be inplace when you take your needed length measurements which includes the concideration that you may need special reduced OD nuts.

[BADDTA]

Originally Posted by mgarblik

The IA 2 aluminum blocks have a very thick deck and very deep tapped holes for the studs. To get full benefit of the deep drilled deck, the studs could have an extra 1/2" to 3/4" of coarse threads on that end of the studs. Also, most studs for aluminum blocks have a bull nose end on the coarse threads that rest in the aluminum at the bottom of the holes. Not sure if the MR 1 aluminum blocks are made that way as I have not seen one in person. If the HP level of the build is going to be 500-600, I doubt the extra stud length is an issue. If a high HP build I would take the time to measure and optimize the stud length to take advantage of the extra threads. ARP has a large variety of studs in the 1/2" diameter. You need to provide them with: overall length, fine thread length, shank length and coarse thread length. Then choose the studs that are closest. They will be somewhat more expensive than buying a "Kit" from Jegs of course.

Thanks Mike. This is gonna be a 1500 hp build (nitrous). You need an extra 1.125” of thread length in an IAII aluminum block. That’s not including the ball end. I’ve got it all figured out. Was just asking if someone had something packaged already. Exactly like you said “ it’ll be somewhat more expensive this way”.

Brian

[BADDTA]

Originally Posted by Gary H

Wouldn't it be the same as Edelbrock round ports stud wise?

It’s not. We have the Edelbrock studs for the aluminum block. They are too short. They’ll be for sale shortly.

Brian

[AG]

Originally Posted by BADDTA

It’s not. We have the Edelbrock studs for the aluminum block. They are too short. They’ll be for sale shortly.

Brian

Are they too short because they do not go all the way down in the block threads? The reason I ask is I am building an aluminum block next spring with Eddy RP heads and was planning to use studs. Will the ARP studs work for a 650 Hp motor?

[BADDTA]

Originally Posted by AG

Are they too short because they do not go all the way down in the block threads? The reason I ask is I am building an aluminum block next spring with Eddy RP heads and was planning to use studs. Will the ARP studs work for a 650 Hp motor?

No, they go all the way down. The HP heads are taller than E heads. PM me if you would like to buy ours AG. Yes they will work fir you motor. Thanks

Brian

[JD]

What size bore are you going with on this build?

[BADDTA]

Originally Posted by JD

What size bore are you going with on this build?

4.350

Brian

[Darren 639]

PM sent

[JD]

Originally Posted by BADDTA

4.350

Brian

Are you planning on filling the block any to add cylinder wall support? I am planning on building something similar but just not sure how well the aluminum block will support cylinder pressure with the nitrous at that bore size.

[BADDTA]

Originally Posted by JD

Are you planning on filling the block any to add cylinder wall support? I am planning on building something similar but just not sure how well the aluminum block will support cylinder pressure with the nitrous at that bore size.

No. We have the bottom end built already. Changing the heads midstream is what has slowed us down a bit tho.

Brian