Would this camshaft work well with this setup?
Thread Starter
Le Mans Master
Joined: Mar 2001
Posts: 9,464
Likes: 1
From: Modesto CA
Would this camshaft work well with this setup?
Setup:
-355cid SBC (Original 87 L98 Block/Crank/Rods; 1 piece rear main/roller)
-Pro Topline 180cc Aluminum Heads
-9.5:1 Hyper Pistons
-SuperRam Intake (Plenum/Baseplate/Runners)
-1.5:1/1.6:1 Roller Rocker Arms (Intake/Exhaust)
-Ported Stock Throttle Body
-Hooker #2149 Supercomp Headers with Dual 2½" Exhaust with an X-pipe
-Yank Stealth 2600 Torque Converter
And this cam
http://store.summitracing.com/partde...2D08%2D302%2D8
I see that they make one that has a 114º LSA with a tad more lift...but for torque wouldn't I want the 112º LSA?
My goal would be to make around 375rwhp/500rwtq...
:cheers:
-355cid SBC (Original 87 L98 Block/Crank/Rods; 1 piece rear main/roller)
-Pro Topline 180cc Aluminum Heads
-9.5:1 Hyper Pistons
-SuperRam Intake (Plenum/Baseplate/Runners)
-1.5:1/1.6:1 Roller Rocker Arms (Intake/Exhaust)
-Ported Stock Throttle Body
-Hooker #2149 Supercomp Headers with Dual 2½" Exhaust with an X-pipe
-Yank Stealth 2600 Torque Converter
And this cam
http://store.summitracing.com/partde...2D08%2D302%2D8
I see that they make one that has a 114º LSA with a tad more lift...but for torque wouldn't I want the 112º LSA?
My goal would be to make around 375rwhp/500rwtq...
:cheers:
Team Owner
Joined: Sep 2001
Posts: 62,153
Likes: 1,731
From: Athens AL
C7 of the Year - Unmodified Finalist 2021
C4 of Year Finalist (performance mods) 2019
Re: Would this camshaft work well with this setup? (TIMSPEED)
Well it will work, but Id be surprised if you made 375rwhp and 500rwtq with a 210/220 cam, id want more intake duration.
Race Director
Joined: Jan 2002
Posts: 12,263
Likes: 86
From: O'Fallon Missouri
Re: Would this camshaft work well with this setup? (TIMSPEED)
My goal would be to make around 375rwhp/500rwtq...
Race Director
Joined: Feb 1999
Posts: 12,772
Likes: 17
From: Indianapolis IN
Re: Would this camshaft work well with this setup? (STL94LT1)
Just for reference, Unfortunately, my 406 hit 350RWHP and 375 RWTQ withqa .225.233 cam.
My heads probably cost me 40HP or so and a bigger cam would give me a bit more still yet !
Im in the process of changing the heads and cam.
My heads probably cost me 40HP or so and a bigger cam would give me a bit more still yet !
Im in the process of changing the heads and cam.
Instructor
Joined: Mar 2002
Posts: 239
Likes: 0
From: Fredericksburg VA
Re: Would this camshaft work well with this setup? (TIMSPEED)
That would not be a good cam for a Superrammed engine. With some port preparation you should be able to reach 375rwhp/375rwtq. A Superram cam looks more like 230/220 with 1.6/1.5, not 210/220 with 1.5/1.6. Look for hydraulic roller intake lobes with near 155deg duration at 0.200" tappet lift in order to get great torque and good power with the Superram.
Also you are down on compression ratio unless you plan on undercamming the engine for some reason. Mill the heads such that you would end up at about 10.8-11.0 CR with a future 383 shortblock rebuild.
Also you are down on compression ratio unless you plan on undercamming the engine for some reason. Mill the heads such that you would end up at about 10.8-11.0 CR with a future 383 shortblock rebuild.
Le Mans Master
Joined: Jan 2003
Posts: 8,596
Likes: 19
From: Portland Oregon
Re: Would this camshaft work well with this setup? (TIMSPEED)
375 RWHP and 500RWTQ, not with your present setup and a 210'ish cam. You will need more compression and more cam, more head work in the neighborhood of 195 or 200cc and ported SR or a Mini-ram intake. What size is your ported TB? I would think a 52mm is needed for your power range you are looking for.
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Re: Would this camshaft work well with this setup? (TIMSPEED)
The superram runs out of steam at ~5800 (unless heavily ported) and with your lower compression and smaller displacement anything with a duration above 224 could be counterproductive. Now that LPE has the 219 on sale that is the best bang for your buck with your combo, it is tried and true...I built very similar combo on a Z28 a year of two ago (355/super ram/219 cam/T5 manual) and put 369HP to the rollers.
:seeya
:seeya