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 Post subject: New Engine Build
PostPosted: Fri Jan 26, 2018 12:57 pm 
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Joined: Wed Jan 24, 2018 1:46 pm
Posts: 15
Gent's,

for my current engine project I'm working on my shoping list.
I have:

351C stock bore block
CHI 2V Heads
Edelbrock Air Gap Intake
670er Holley
MSD Ignition 6AL
Harland Sharp Roller Rockers
TCI Rattler Balancer
Hedman Headers & 2,5 FlowMaster
FMX Tranny

The intention is a nice street engine, with a good low to mid RPM Power.

Have got anyone expiriance with the Howards Rattler Cam (CL238025-09)
Lift: .565 / .565, Duration @ .050: 227 / 235, Centerline: 103, LSA 109

Thanks


Last edited by porschekiller on Sun Feb 11, 2018 5:18 am, edited 1 time in total.

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 Post subject: Re: New Engine Build
PostPosted: Fri Jan 26, 2018 2:00 pm 
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Joined: Mon Oct 29, 2012 9:05 am
Posts: 2417
You don’t need a tighter LSA with 2V heads and the duration split isn’t as necessary with CHI pieces. That .050” duration is also a little on the high side for low-mid power focus.

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Last edited by blykins on Fri Jan 26, 2018 2:01 pm, edited 1 time in total.

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 Post subject: Re: New Engine Build
PostPosted: Fri Jan 26, 2018 2:00 pm 
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Joined: Mon Oct 29, 2012 9:05 am
Posts: 2417
Oh, thanks for joining!

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 Post subject: Re: New Engine Build
PostPosted: Fri Jan 26, 2018 2:23 pm 
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Joined: Wed Jan 24, 2018 1:46 pm
Posts: 15
Hi Brent,

thanks for you expertise and for your welcome!
I was looking for cam with 220/230 cam with an LSA below 110 with a high lift for the heads.
Would you go to 112 ore even more LSA?
I'm not that bad if the engine have got power and the typical sound of a race cam.
From all what I know a wider LSA makes the engine lazy and boring.
The limit is the torque converter (stock) and the tranny.
I forgot to mentioned I got Harland rockers too.

What would you recommand.


Last edited by porschekiller on Sun Feb 11, 2018 5:19 am, edited 2 times in total.

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 Post subject: Re: New Engine Build
PostPosted: Fri Jan 26, 2018 3:17 pm 
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Joined: Mon Oct 29, 2012 9:05 am
Posts: 2417
Are you running power brakes?

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Brent Lykins, Lykins Motorsports
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 Post subject: Re: New Engine Build
PostPosted: Fri Jan 26, 2018 3:24 pm 
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Joined: Wed Jan 24, 2018 1:46 pm
Posts: 15
Yes I do!
Do you mind for the vacuum?
Is a vacuum pump a solution for a street application?


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 Post subject: Re: New Engine Build
PostPosted: Fri Jan 26, 2018 3:36 pm 
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Joined: Mon Oct 29, 2012 9:05 am
Posts: 2417
A vacuum pump is not needed with a careful selection of lobes.

Where would you like the hp peak to be?

I can provide a custom billet core hydraulic roller for $399, custom ground for your engine. It would take into account vacuum, compression ratio, hp and tq curves, head flow, etc.

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brent@lykinsmotorsports.com


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 Post subject: Re: New Engine Build
PostPosted: Fri Jan 26, 2018 4:24 pm 
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Joined: Wed Jan 24, 2018 1:46 pm
Posts: 15
Well HP is not as important as powerband and torque.
I do not run my engine frequently on high rpm.
Most of the time it runs arround 3.000 rpm or less.
Would be grate to have a cam which works from idle to - 5.500 rpm:
Taking into account that the max. power should be arround 4.000 to 5.000 rpm.

Is a Hydr. FT complety old school and out of scope ?


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 Post subject: Re: New Engine Build
PostPosted: Fri Jan 26, 2018 4:28 pm 
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Joined: Mon Oct 29, 2012 9:05 am
Posts: 2417
No, it’s not. Much cheaper and only con is that you have to do a break-in, where the roller is a start and go.

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brent@lykinsmotorsports.com


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 Post subject: Re: New Engine Build
PostPosted: Fri Jan 26, 2018 4:56 pm 
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Joined: Wed Jan 24, 2018 1:46 pm
Posts: 15
Well, the point is, that I just have ISKY 805 springs on the heads. No matter to change them but if I can keep it, why not.
I have some double springs also in the shelf but have no idea about the spec.

Will your customized roller work with all lifters available on the market?
If I go for a roller I would intent to go for the linked bar lifters.


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