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Old 05-11-2019, 03:48 PM   #21
nad427

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Sure glad you started this thread Vall. This is going to be a fun one to watch happen.
And hey, an old Chevy is still a Chevy right?



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Old 05-11-2019, 05:01 PM   #22
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Sure glad you started this thread Vall. This is going to be a fun one to watch happen.
And hey, an old Chevy is still a Chevy right?
Of course your logic is spot on Dan! I really enjoyed building the Falcon, and liked it to drive too. But in the end it was still a BBC powered Ford, and I am a Chevy guy!

We had our big spring opener car show today, and was talking with a friend who said he's putting a 383 stroker in his '71 Camaro. He had a nice 350 already, and when I asked about it he told me a sad tale. He was jacking it under the crossmember and it slid off the jack! The balancer landed hard on the jack and bent the crank! His insurance paid for a new crank and engine rebuild, but he decided to buy a bigger engine with the money and some more money.
I asked about buying his old 2.02" camel hump heads and he said sure! So once his new engine is here, he's going to let me know the price. Sounded like it will be cheap, so I wont have big bucks tied up in it.
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Old 05-11-2019, 05:16 PM   #23
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Of course your logic is spot on Dan! I really enjoyed building the Falcon, and liked it to drive too. But in the end it was still a BBC powered Ford, and I am a Chevy guy!

We had our big spring opener car show today, and was talking with a friend who said he's putting a 383 stroker in his '71 Camaro. He had a nice 350 already, and when I asked about it he told me a sad tale. He was jacking it under the crossmember and it slid off the jack! The balancer landed hard on the jack and bent the crank! His insurance paid for a new crank and engine rebuild, but he decided to buy a bigger engine with the money and some more money.
I asked about buying his old 2.02" camel hump heads and he said sure! So once his new engine is here, he's going to let me know the price. Sounded like it will be cheap, so I wont have big bucks tied up in it.
Those heads have 64cc chambers correct? Since the shortblock you have in mind probably has low compression those heads should help with that some.

Also,
I know you want a roller in the motor, but if you change your mind I have an ISKY Z-30 cam on my shelf. Brand new and never in a motor. Willing to cut you a good deal if interested.

Isky Racing Cams 201030 - Isky Hi-Rev Series Solid Flat Tappet Camshafts
$163.99 at Summit


Camshaft, Mechanical Flat Tappet, Advertised Duration 290/290, Lift .480/.480, Chevy Small Block, Each
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Old 05-13-2019, 11:38 AM   #24
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Thanks Dan! I'm a huge fan of Isky cams, and that's a really good one! But having a roller block, and lifters, I'd be silly to not try to use the components I have and stay with a roller cam.
I'm looking at several cams, and not wanting to go too radical right now. But it's tough to find hydraulic roller cams that aren't either too radical, or too docile! I talked with Howards rep about their Rattler cam line, but even the lowest spec one is still .525" lift, and I'd like to stay down near .500" as I'm unsure how much lift the stock camel hump heads can take without spring bind? They may well take the .525", just don't know?
I looked at a factory Chevrolet Performance camshaft that's rated .497-.500" lift, and durations around 283 degrees, but the LSA is 112, and I'd prefer something down around 109.
The Comp Thumpr cams have lower lift, but the LSA is way too narrow at 107, and duration too long, so they just make noise and wont perform as well as I'd like. Have to keep searching cam makers to see if I can find what I want.
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Old 05-13-2019, 04:45 PM   #25
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Thanks Dan! I'm a huge fan of Isky cams, and that's a really good one! But having a roller block, and lifters, I'd be silly to not try to use the components I have and stay with a roller cam.
I'm looking at several cams, and not wanting to go too radical right now. But it's tough to find hydraulic roller cams that aren't either too radical, or too docile! I talked with Howards rep about their Rattler cam line, but even the lowest spec one is still .525" lift, and I'd like to stay down near .500" as I'm unsure how much lift the stock camel hump heads can take without spring bind? They may well take the .525", just don't know?
I looked at a factory Chevrolet Performance camshaft that's rated .497-.500" lift, and durations around 283 degrees, but the LSA is 112, and I'd prefer something down around 109.
The Comp Thumpr cams have lower lift, but the LSA is way too narrow at 107, and duration too long, so they just make noise and wont perform as well as I'd like. Have to keep searching cam makers to see if I can find what I want.
I picked out and bought that Z-30 mostly because of the lower lift. On the street I don't really want a tall lobe, just doesn't make sense to me. I like a little bit lower lift, and a longer duration in street motors. I usually prefer a long duration mixed with a semi-wide LSA myself. Seems to help with some torque right off a shift. You can get away with all kinds of stuff with a clutch over an auto. Every hotrod I've ever had has had a clutch, so making a good cam work (even though not recommended) is easy. Your 700R is going to take a little more thinking to get just the right combo though.

In your case, I know you've been wanting to run a roller for a while now. I understand, and wish you luck finding just the right one.

Dragsix here is a huge fan of Schneider cams. I ended buying one of their grinds myself with a lower lift and a pretty long dur. Can't wait to try it in a BB I'm slowly putting together. The guy at Schneider is a good and knowledgeable guy, and they're right here in Cal too. You might give them a call. http://schneidercams.com/
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Old 05-13-2019, 07:57 PM   #26
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I spent some more time searching today, and came up with a Comp Cams roller cam that looks pretty close to what I think I want.
Here's the specs:

Comp Cams 11-432-8 Xtreme Energy Retrofit Camshaft Hyd. Roller Big Block Chevy

Cam Style: Hydraulic roller tappet

Basic Operating RPM Range: 1,900-5,600

Intake Duration at 050 inch Lift: 230

Exhaust Duration at 050 inch Lift: 236

Duration at 050 inch Lift: 230 int./236 exh.

Advertised Intake Duration: 282

Advertised Exhaust Duration: 288

Advertised Duration: 282 int./288 exh.

Intake Valve Lift with Factory Rocker Arm Ratio: 0.510 in.

Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.510 in.

Valve Lift with Factory Rocker Arm Ratio: 0.510 int./0.510 exh.

Lobe Separation (degrees): 110


A lot of the hotter cams have extreme lift, and LSA's around 106-107, which is too close for the street for my tastes. I like the 110 LSA as it's a good medium between the RV cams that are 112-113 LSA, and those strip cams.
The duration is long enough, but not so much that it will be spewing raw gas out the tailpipe at lower rpm's. And it wont need a high stall converter either. The 700R4 has a low 1st gear, so it should work well off the line with this cam. I wont run out and order it yet, but it is in the final run for my choice.
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