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383 Solid Cam MFG that's not a huge lift #2474715
03/31/18 02:14 AM
03/31/18 02:14 AM
Joined: Apr 2006
Posts: 1,012
Central US
grancuda Offline OP
super stock
grancuda  Offline OP
super stock

Joined: Apr 2006
Posts: 1,012
Central US
Looking for a solid lift cam that's really similar to my XE274H in lift (.325/.327) but everything I am finding is much larger & ends up being .550+ with a 1:5 rockers. I have flat tops w/no valve reliefs so I don't have a lot of room.


1967 Barracuda Formula S 383
1967 Chevy C10 Short Stepper
1980 Macho Power Wagon LWB 318
2021 Toyota Supra
Re: 383 Solid Cam MFG that's not a huge lift [Re: grancuda] #2474725
03/31/18 02:49 AM
03/31/18 02:49 AM
Joined: Aug 2011
Posts: 2,885
Pattison Texas
CSK Offline
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CSK  Offline
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Pattison Texas
the lift is not so much what causes piston to valve clearance problems, cam timing & long duration is the main culprit.


1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5

Re: 383 Solid Cam MFG that's not a huge lift [Re: CSK] #2474743
03/31/18 03:39 AM
03/31/18 03:39 AM
Joined: Aug 2003
Posts: 43,355
Bend,OR USA
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Cab_Burge Offline
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Bend,OR USA
Originally Posted By csk
the lift is not so much what causes piston to valve clearance problems, cam timing & long duration is the main culprit.
iagree up
I had solid roller cams that where a lot bigger than the solid flat tappet cams I use to use that fit better in the same motors with more lift and duration shock
it is all about how far open the valves are near T.D.C. work
A new modern designed fast action cam lobe will open and close the valves a lot quicker than a older one of the same specs. will work shruggy


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: 383 Solid Cam MFG that's not a huge lift [Re: grancuda] #2474747
03/31/18 04:06 AM
03/31/18 04:06 AM
Joined: Sep 2014
Posts: 181
Maryland
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twayne24365 Offline
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twayne24365  Offline
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Joined: Sep 2014
Posts: 181
Maryland
Mopar 528 cam is fairly close to that, it will clear a piston with no valve notches.
Dads old 383 used that cam with stock shortblock and heads, ran mid 12s as well and was very streetable!

Re: 383 Solid Cam MFG that's not a huge lift [Re: grancuda] #2474748
03/31/18 04:09 AM
03/31/18 04:09 AM
Joined: Sep 2014
Posts: 181
Maryland
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twayne24365 Offline
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twayne24365  Offline
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Maryland
Here’s a clip how that cam sounds, it was a original ‘65 383 with the .528 cam, Street dominator intake, 850 Holley, 1 3/4 headers through a tti 2.5” exhaust
https://youtu.be/dUpjotXRncI

Re: 383 Solid Cam MFG that's not a huge lift [Re: grancuda] #2474811
03/31/18 11:29 AM
03/31/18 11:29 AM
Joined: Jun 2008
Posts: 3,916
usa
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lewtot184 Offline
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usa
comp cams 282/.495 magnum solid. I have one laying around that I stuck in a block to measure. with crane 1.5 ductiles and .022" lash it measured around .505" at the valve. obviously the 1.5's were closer to a true 1.6. I think this would be a nice 383 street/strip cam. how much advance that is ground into the cam will effect piston to valve clearance some. nice thing about the solid is no lifter pump-up, and this may give a little more room to work with.

Re: 383 Solid Cam MFG that's not a huge lift [Re: grancuda] #2475104
03/31/18 10:49 PM
03/31/18 10:49 PM
Joined: Apr 2006
Posts: 1,012
Central US
grancuda Offline OP
super stock
grancuda  Offline OP
super stock

Joined: Apr 2006
Posts: 1,012
Central US
Little more info, what I've got right now is

Cam - Comp XE274H
274/286 duration
230/236 @ 0.50 duration
.488/.491 lift(advertised) .510/.523 lift(actual w/1.6:1 crane ductile rockers)
.325/.327 lobe lift
LS of 110*
Intake CL 106*
3 bolt timing gear

Installed @ 0 & I checked with dial indicator & it checked out as spot on.

Block has been decked .0125.

I have 0.085 piston to valve clearance.

Looking for a similar set-up, looking to take it to 6,500 rpm.

I know with a solid there is lash introduced which will increase the lobe size slightly I can get away with.

Not going roller, just a simple solid & want as much lift as I can but it's already in the car & I don't want to pull a head to check my clearances. Just trying to do it with the info I already know on the car.

I didn't know if there were some not so mainstream cam mfgs that would be good to look into for this set-up. The comp XE is really noisy for a hyd cam so I may as well have something that is good on the top end since I now have adjustable rockers.


1967 Barracuda Formula S 383
1967 Chevy C10 Short Stepper
1980 Macho Power Wagon LWB 318
2021 Toyota Supra
Re: 383 Solid Cam MFG that's not a huge lift [Re: grancuda] #2475194
04/01/18 07:33 AM
04/01/18 07:33 AM
Joined: Jan 2003
Posts: 3,575
The Netherlands
BigBlockMopar Offline
master
BigBlockMopar  Offline
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Joined: Jan 2003
Posts: 3,575
The Netherlands
How about keep the cam and just put solid lifters on it?
Or, to prevent another cam break-in, convert your hydr. lifters to solids?

Re: 383 Solid Cam MFG that's not a huge lift [Re: grancuda] #2475218
04/01/18 10:42 AM
04/01/18 10:42 AM
Joined: Jun 2008
Posts: 3,916
usa
L
lewtot184 Offline
master
lewtot184  Offline
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Joined: Jun 2008
Posts: 3,916
usa
Originally Posted By grancuda
Little more info, what I've got right now is

Cam - Comp XE274H
274/286 duration
230/236 @ 0.50 duration
.488/.491 lift(advertised) .510/.523 lift(actual w/1.6:1 crane ductile rockers)
.325/.327 lobe lift
LS of 110*
Intake CL 106*
3 bolt timing gear

Installed @ 0 & I checked with dial indicator & it checked out as spot on.

Block has been decked .0125.

I have 0.085 piston to valve clearance.

Looking for a similar set-up, looking to take it to 6,500 rpm.

I know with a solid there is lash introduced which will increase the lobe size slightly I can get away with.

Not going roller, just a simple solid & want as much lift as I can but it's already in the car & I don't want to pull a head to check my clearances. Just trying to do it with the info I already know on the car.

I didn't know if there were some not so mainstream cam mfgs that would be good to look into for this set-up. The comp XE is really noisy for a hyd cam so I may as well have something that is good on the top end since I now have adjustable rockers.

a solid may give some area under the curve but won't have tappet pump up issues. I wouldn't do .085" piston to valve with a hydraulic tappet at high rpm. that xe274 is no where near a 6500rpm cam.

Re: 383 Solid Cam MFG that's not a huge lift [Re: grancuda] #2475232
04/01/18 11:27 AM
04/01/18 11:27 AM
Joined: Dec 2006
Posts: 413
northeast ohio
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mkdart Offline
mopar
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Joined: Dec 2006
Posts: 413
northeast ohio
Look through the Comp catalog
there is a couple solids in the magnum
and extreme energy lines that would work.

Mike

022.JPG
Re: 383 Solid Cam MFG that's not a huge lift [Re: grancuda] #2475263
04/01/18 12:21 PM
04/01/18 12:21 PM
Joined: Jun 2008
Posts: 3,916
usa
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lewtot184 Offline
master
lewtot184  Offline
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Joined: Jun 2008
Posts: 3,916
usa
comp cams has something they call "nostalgia solids". they are lower lift similar to the old muscle car cams. Dwayne porter, aka fast68plymouth, is a member and comp cams dealer. he can put you something together.

Re: 383 Solid Cam MFG that's not a huge lift [Re: grancuda] #2475390
04/01/18 02:46 PM
04/01/18 02:46 PM
Joined: Mar 2008
Posts: 883
Affton MO
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qwkmopardan Offline
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qwkmopardan  Offline
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Joined: Mar 2008
Posts: 883
Affton MO
Racer brown ST-22. 242* at .050 and .509 lift. Great little camshaft.







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