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#21
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Just to make sure, they are not blocking the crossover at the head. Just blocking the crossover where it connects to the timing cover.
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The Following User Says Thank You to Kevspontiacs@aol.com For This Useful Post: | ||
#22
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Great looking engine sir. Lot of coin and attention to detail there.
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#23
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Well, just got off the phone with Jeff. Needed a 1016 and BOP one piece. That have just made a casting run for a High Port crossover that matches the misalignment(9/16) They are in heat treating right now. Have them in about two weeks.
Seems there was enough of a issue to cast the crossover. More water moving is better. |
The Following 2 Users Say Thank You to Dragncar For This Useful Post: | ||
#24
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Didn't mean to highjack this thread, but as usual I have learned something! Glad I am just starting to mock this up hate going backwards!
Thanks! |
#25
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I still don't see how blocking that little by-pass hole does anything. The only thing i see is when the thermostat is closed you have zero flow but that's why it's been posted all you need to do is drill a couple holes in the t-stat and problem solved. Fwiw there have never been any signs of issues with heat with my HP engine, either dyno, strip or street and don't run water from back of head to the crossover. That's just my experience. |
#26
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Can it hurt ? |
#27
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It helps from the possibility of getting air pockets stuck in the back of the head. It keeps everything more even. I run a thermostat also but instead of drilling it its notched twice 180 degrees apart. Crossover is plugged also , HP heads.
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Illinois Outlaw Gassers 6.27@107 9.97@131 |
#28
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Ever since I started using a Lisle radiator funnel to fill my engine(s) whilst they're able to run, so they can burp themselves, i've never had any air pocket issues again, with plugged rear coolant holes, plugged bypass + 3x holes in t/stat. Before, I always had trapped air problems and for the first 3-4 heat cycles i'd run the engine and the eng temp gauge would fluctuate a fair bit until the air worked itself out. Now I just fill, warm up, let cool down, cap on, top up overflow then it's good to go.
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'71 Holden HQ Monaro - 3850lbs race weight, 400c/i - 11.4 @ 120 '66 Pontiac GTO - 389, 4 speed street cruiser Last edited by krisr; 01-16-2020 at 12:37 AM. |
#29
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I want to run a thermostat vs the disc with a hole in it because want the engine to warp up as fast as possible. I have a extra .002 piston to wall because it is hard blocked. Do not want to listen to the pistons rattle any longer than I have to.
What I am thinking is running a 160 deg thermostat with the new KRE crossover then the 2 lines from the back of the heads to the back of the crossover. |
#30
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Ok, Thank you. I see what your doing. Makes sense now. So, you plugged the timing cover to cross over, then ran a line from the back of each head to the cross over on the radiator side of restrictor plate. Is that correct? So now you have flow from the front of each head via the cross over, and flow from the back of each head via the -8 lines. Thanks Charles |
#31
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So the restrictor plate has how many holes? I'm trying to wrap my head around the function of the restrictor plate. It appears your trying to balance flow from the front of the heads, with the flow from the back of the heads to the radiator? Thanks Charles |
#32
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The Following User Says Thank You to janderson For This Useful Post: | ||
#33
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Restrictor is sized to the diameter of the coolant lines from rear of head.
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The Following User Says Thank You to janderson For This Useful Post: | ||
#34
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Quote:
http://www.precisionautomotivespecia...Manifolds.html
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The Following User Says Thank You to janderson For This Useful Post: | ||
#35
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#36
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Ok, Just wanted to say Thank you for taking the time to help. I appreciate it.. Thanks also Dragncar, sorry I high jacked your thread. Thanks also 535 Talldeck. Charles |
The Following User Says Thank You to chuckies76ta For This Useful Post: | ||
#37
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The new crossover should help KRE sell more stuff. High Port heads, not so much just the crossover. I bet there are more than just a few people who did not want to deal with plugging it all up and bought E heads. My HPs outflow the 340-350 std port E heads by 20cfm on the same size bore and the E heads ports are taller and wider. Jeff called today to straighten out a order and I asked him about it and he told me the HP has a more efficient port, moves more air faster and is going to make more tq and HP. There have been some really nice running std port E head pump gas combos out there. It will be very interesting to see how my engine stacks up. |
#38
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Ya, Nice that there making a crossover for the HP heads. I'm in the process of doing an IA2 now with the E-heads from Dave at SD. Gonna try for 750 hp. That will be lots for now.
Charles |
#39
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Looks like they are available now
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Illinois Outlaw Gassers 6.27@107 9.97@131 |
#40
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