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Yes, currently Im exchanging emails with American Powertrain. They are offering two setups - one is safe for 500hp and 550tq, other is twin disc system for 500+hp. Horsepower rated to the wheels. My other question is about adverted power and power on wheels. Does my engine setup will reach...

Hello guys! What are reliable clutch options for street use with Tremec gearbox. Engine will be 440/512 stroker, Eddy rpm heads, KB Hyper pistons. On paper it should reach 500+ hp and same torque. My goal is to get softer pedal than original that can handle all power. What are you using on...

im sorry, forgot about this thread. Soon I will ride to local transmision workshop. When I called, they said it will cost about 1800euros for full rebuild without converter. I tihink its fair price. P.S Is this a A904 gearbox? Picture added

After close lookup, exhaust/intake stem's, off course, are worn-off, but not critically. What's your experience with oversize stem valves? For both intake/exhaust it would be .372'+

It was so hard to find a time for 440, but when parts arrived I cant resist not to do something. :) First, cleaned up heads whit glass beads. Always change your freeze plugs. Before blasting, they looked in nice shape. Why those numbers are hided? And find some stuff in head's cooling...

Yep, Im not located in USA. Thats huge problem. Better would be new. Less headaches. Engine is not clean stock, it has no major updates ( stock heads ), but still it will run faster than stock - I hope. :)

It would be a good option, but I want to keep it stock look.

Looking for a new automatic transmission for 318 engine ( 70' charger ). + converter. What stall I should take? Where I can purchase full kit that will fit directly? any suggestions? Whats your experience buying new transmission? Engine is freshly rebuilt, with 256 int./262 exh. camshaft...

Sooooo.....guides can be changed. Machinist told me that guides can't change, only valves with oversize. Looks like I need to change machinist. LOL

My 70' charger heads needs an oversize exhaust valves. If Im correct, last oversize valve stem diameter is 0.372' / 9.45mm. If its >0.372' then whats the options? Valves from 340 or 360 heads? Make bore for valve guides? Change heads? Help!!

Heads will be disassembled soon. After cleaning will see, how bad are they and what to do next. Looked @Summit for 256/260 - there are only 256/262 ( @.050 213 int./220 exh.) or 256/268 (@.050 212 int./218 exh.). Think 256/262 lunati will be fine for me.

These headers will stay. Ive got CH4B factory intake. Does edlbrock performer will make a huge difference with stock 906 heads? sorry, missed these questions - engine is for 69' charger. car mostly will be for weekends. my goal is to build pump gas 440 engine, with 400-450hp, power brakes...

By 256 cam you mean - 256/262 or 256/268? Sounds like a very good torque.

With STD size eagle rods and KB184, Im expecting quench will be ~ .055' off the block. Block is cleaned up cutting off - .010' From heads - .015' Head gasket .020'

For my compression ( ~9.1:1) this is what Im thinking about.. https://www.summitracing.com/int/parts/cca-k21-224-4/overview/make/chrysler

hello guys! Block is ready. - .020 - kb184 pistons - eagle rods - clevite bearings ( rods&main) - MP oil pump About camshaft I have lots of versions. But what would be best cam for good torque @low rpm? And what would be best rpm converter for 8 3/4 sure grip - 2400 - 2500? Heads will stay...

Need to put lots of effort in prep work. And result is worth it.

With KB184 pistons - CR with head chamber of: 72cc - 10.4 80cc - 9.7 84cc - 9.3 88cc - 8.9 With KB236 72cc - 11.5 80cc - 10.7 84cc - 10.3 88cc - 9.9 My heads are exactly 1.000 high. No doubts they will be machined, but how much i dont know. Im thinking of - 86-85ccm. + head gasket - something...

tourq converter will be in the list after engine rebuild. :) This engine will be swapped in 69' charger with sure grip 8 3/4 (as far as I remember ratio was 3.xx ( tomorrow will check )) But now I need help with compression things. 906 from factory chamber volume is 79 cc’s. My block will be...

My best compression would be max close to 9.8:1 / 10.0:1 :)) Right now I have stock 906 heads. Whats the max comp. these heads (906) can handle and drive safe on streets?