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Discussion Starter · #1 ·
After calling many engine rebuild shops, turns out a lot of shops are not taking any work due to back orders. And the ones that are available have a decent amount of negative review. I called modern muscle and mmx and their builders don’t have 6.1 forged cranks. I’m just looking for a 5.7 rebuild not stroker. I called manley and they did not recommend their forged crankshaft for boosted hemi. I was shocked. He said it’s not recommended for 20+ up. Told him I was going 12-15psi. He then backtracked. After tear down I’m thinking to tackle this myself. Cylinder bores look great. Don’t want to over overbore. Of course I’ll check all clearances and ring gap. Any tips on parts for stock bore and stroke for boosted application. Of course I’m on a budget but if I’m going to do it, want it done right. Thanks if anything.
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Discussion Starter · #3 ·
I could not find a single builder considering delays and parts backordered. Hpp would not get back to me. I’ve finally found a builder who plans on doing as you mentioned .005 over. Full Manley kit. ARP studs for mains. I do have the 46re modified from Martin saine which was at the maximum 700hp. I originally didn’t anticipate going past 7psi. Was not really impressed with the power, but the 2600 stall(recommended) and 3.92 gears don’t really help. I do need it as a daily driver. I’m just debating whether to stay at 7 or creep up to 10 or as maybe 15lbs. It is getting quite expensive and while have a rebuilt diff with trutrac posi I don’t want to have more down time on repairs.(no slicks). Obviously arp studs and cometic head gaskets would be ideal. Any thoughts on felpro mls head gaskets and arp head bolts whether 10 or 15psi? The heads look like in great shape. I just realized about possible dropping valve seats(if it’s a common thing with boosted applications? I planned on changing seals and springs myself(save $ on labor). Aside from flashlight what would be the best approach beside new cylinder head, to avoid a dropped valve seat destroying the rebuilt motor. Again heads look great, never overheated, always ram mopar coolant. I don’t want to send the heads for a full rebuild($800) if it doesn’t need it. My tuner recommended srt4 stage 2 injectors and ken bell boost a pump. I’ve read on some builders going for dual fuel pumps(I’m not
Going E85). This is a daily driver and don’t mind taking to track once and a while. Any recommendations is appreciated.
 

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Discussion Starter · #6 · (Edited)
Just spoke with builder. He’ll be using monlar’s forged crank(Manley only available for stroker) using Manley rods and DSS pistons. Never heard of DSS. Read a lot of good reviews and minor questionable. Out of curiosity, should I go with 15lbs would cometic be the only choice? As for head studs Ive read conflicting issues about unable to remove heads while motor is in vehicle since head sliding up hits firewall. That was for a challenger I believe. Don’t know if that’s the same with rams. Lastly, as mentioned I did have gears bearings rebuilt last year along with trutrac. Do you think the rear axles will hold up with 15lbs? Just trying to see what the limitations considering I’ve pretty much h rebuilt everything.
 
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