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Old 04-16-2018, 11:28 AM   #1
TheSilverBullet
 
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24v head performance

Going to be building a head for my p pump 24v. Looking for advice on a street driven application. Im thinking Im going to lightly port match the exhaust side myself.

Id also like to use exhaust valves on the intake. Im reading you need to machine new seats in for this. Would the oversized seats be less prone to cracking?

Also Id like to do bronze valve guides. Trying to get a price together and see if I want to do it myself and have a local machine shop help me or just pull the trigger on like the d and j stage 1 head.
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99 3500 black Laramie~Infinitive Performance Farrel Diesel Service Goerend Transmissions

90 w250 "brownie" straight 6 standard transmission


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Originally Posted by dvst8r View Post
Dying is always a way bigger concern than egt's...
 
Old 04-16-2018, 12:14 PM   #2
wwentzler

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What kind of power are you planning to make? And what is the planned turbo setup?
 
Old 04-16-2018, 07:38 PM   #3
TheSilverBullet
 
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63sxe over S475
6x13 vco
Farrel 215 pump
Colt stg. 4 cam
Was originally shooting for 750. Loooking for 900
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99 3500 black Laramie~Infinitive Performance Farrel Diesel Service Goerend Transmissions

90 w250 "brownie" straight 6 standard transmission


Quote:
Originally Posted by dvst8r View Post
Dying is always a way bigger concern than egt's...
 
Old 04-16-2018, 07:40 PM   #4
95cummins5.9
 
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Quote:
Originally Posted by TheSilverBullet View Post
63sxe over S475
6x13 vco
Farrel 215 pump
Colt stg. 4 cam
Was originally shooting for 750. Loooking for 900
Intake valves on the exhaust or the other way around like the first post? Either way sounds like it would bottleneck.
 
Old 04-16-2018, 07:45 PM   #5
TheSilverBullet
 
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Originally Posted by 95cummins5.9 View Post
Intake valves on the exhaust or the other way around like the first post? Either way sounds like it would bottleneck.
I was reading that somewhere thd intake had 35* seat and the exhaust had 45* seat so theyd run all exhaust valves. Just gotta do a lot of reading sounds like Ill probably just be doing the posting myself.
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99 3500 black Laramie~Infinitive Performance Farrel Diesel Service Goerend Transmissions

90 w250 "brownie" straight 6 standard transmission


Quote:
Originally Posted by dvst8r View Post
Dying is always a way bigger concern than egt's...
 
Old 04-16-2018, 07:49 PM   #6
Rich dzl

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Send it to nyes in Muncie IN
 
Old 04-16-2018, 07:51 PM   #7
95cummins5.9
 
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Quote:
Originally Posted by TheSilverBullet View Post
I was reading that somewhere thd intake had 35* seat and the exhaust had 45* seat so theyd run all exhaust valves. Just gotta do a lot of reading sounds like Ill probably just be doing the posting myself.
You can have whatever angle seat cut on the head and valves. You could back cut the valves too. Typically the more angles on the seat makes it last a lot less too.
 
Old 04-16-2018, 07:53 PM   #8
95cummins5.9
 
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Quote:
Originally Posted by TheSilverBullet View Post
I was reading that somewhere thd intake had 35* seat and the exhaust had 45* seat so they’d run all exhaust valves. Just gotta do a lot of reading sounds like I’ll probably just be doing the posting myself.
I was thinking 12v when I said the bottleneck comment forgot about the 4 valve head. Sorry.
 
Old 04-16-2018, 07:55 PM   #9
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Yeah we ran 48* on my first 12v head. I thought you could cut any angle you want maybe there was another reason I missed lol.
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99 3500 black Laramie~Infinitive Performance Farrel Diesel Service Goerend Transmissions

90 w250 "brownie" straight 6 standard transmission


Quote:
Originally Posted by dvst8r View Post
Dying is always a way bigger concern than egt's...
 
Old 04-16-2018, 07:59 PM   #10
95cummins5.9
 
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Quote:
Originally Posted by TheSilverBullet View Post
Yeah we ran 48* on my first 12v head. I thought you could cut any angle you want maybe there was another reason I missed lol.
Seat contact probably. Burn seat/valves.
 
Old 04-17-2018, 06:26 AM   #11
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Personally I wouldnt do anything to the head. Realistically with those compounds you have very little to gain and a fair amount to lose.
 
Old 04-17-2018, 08:26 AM   #12
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Personally I wouldnt do anything to the head. Realistically with those compounds you have very little to gain and a fair amount to lose.
Ive been thinking that also. I tend to over do everything with these. Im thinking just gasket match the exhaust side and a good valve job.
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99 3500 black Laramie~Infinitive Performance Farrel Diesel Service Goerend Transmissions

90 w250 "brownie" straight 6 standard transmission


Quote:
Originally Posted by dvst8r View Post
Dying is always a way bigger concern than egt's...
 
Old 04-17-2018, 09:04 AM   #13
wwentzler

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Quote:
Originally Posted by TheSilverBullet View Post
Ive been thinking that also. I tend to over do everything with these. Im thinking just gasket match the exhaust side and a good valve job.
Its your build, but i'm not even sure i would do that. You won't gain anything at all, but you'll lose response time, maybe by a totally unoticable amount, but a loss nonetheless.
 
Old 04-17-2018, 09:15 AM   #14
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Proper bowl work is not going to kill response time
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Old 04-17-2018, 09:17 AM   #15
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Or a good valve job.
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Jacob, 97 rclb
 
Old 04-17-2018, 09:22 AM   #16
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Proper bowl work is not going to kill response time
Can you walk me through the process of gasket matching a bowl? That's new to me.
 
Old 04-17-2018, 10:07 AM   #17
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Can you walk me through the process of gasket matching a bowl? That's new to me.
Never said that. Enjoy your stock head jackass!
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Old 04-17-2018, 12:25 PM   #18
94 12valve
 
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If your wanting to do anything to the head a good valve job, bowl blend and smoothing out the exhaust works wonders. Also you way want a better primary charger for your 900 RWHP goal
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06 Dodge CR CTS2
 
Old 04-17-2018, 06:11 PM   #19
Rich dzl

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Stock heads for stock trucks . Head flow matters and loss of Turbulence With bowl/or valve pocket work is the goal on a street head .. gasket matching isn't the only issue on a head ..

Last edited by Rich dzl; 04-17-2018 at 06:17 PM.
 
Old 04-17-2018, 07:00 PM   #20
RacinDuallie
 
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Quote:
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Its your build, but i'm not even sure i would do that. You won't gain anything at all, but you'll lose response time, maybe by a totally unoticable amount, but a loss nonetheless.
Lmfao.
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