Technical Anyone wanna throw in their 2 cents on sbc377 cam options?

Hi guys.
I have a 377sbc (destroked 400) with flat top Pistons (dual valve reliefs), 190cc aluminum heads, 1.6 roller rockers, Edelbrock performer RPM intake, Edelbrock 750cfm carb, ****** headers.
If I'm leaving anything out, please ask.

This will be more street than strip, but I still want it to get up and go...and have a mean sounding idle.

Any help is greatly appreciated.



UPDATE:
I found a Lunati cam with an operating range of 1800-6200 with 227/233 (268/276 Adv) duration and 489/504 lift. I feel that, paired with a 2200-2600 stall should provide me with what I'm looking for.

 

I think your leaving out the question.

 

Looking at your profile page, I'm guessing this is for the Mercury? That's usually a cruiser/slo-rider type car, while a 377 is far from that in what they're built for. If it's for the Merc, a mild 350/350 is what most would suggest. What is the "intended" purpose? And Tyler, Texas; I'm a TJC 84 graduate of the Radiologic Technologist Program and trained at what was then called Medical Center Hospital; now it's the lead hospital in the "East Texas Hospital Foundation"? I lived out on Hwy 64 East. Wish I could go back to that time. I am Butch/56sedandelivery.

 

True. I must have skipped that in my post as it was in the ***le. I need help choosing the best cam.

 

Nice to meet you, Butch. I'm Crash, and I grew up here. Moved away, but got ****ed back in.


It's actually for my firebird, but i trust the people here, and thought I could get some valuable input. That, and I haven't found any decent firebird forums. The 350 in the Merc was easier to plan out for its build.

 

Also need the following -
1. Car weight.
2. Transmission type (gear ratios).
3. Rear axle ratio.
4. Rear tire diameter.

Mike

 

Car weighs approximately 3500lbs
Transmission is th350. I have no problem adding stall converter and shift kit, but it's currently stock.
Rear axle it 3.73
Rear tires are 26.8"

 

You'll e cruising in the low 3Ks range.
Intake is good to 6500 on a 350, you'll get less rpm out of it at 377. Still somewhere over 125 mph.

Around a 292 cam with 2800 stall would be my guess of you have the compression to back it up.

 

I have been leaning towards the Edelbrock RPM cam 7102. How well does everyone think that would pair with my setup?

 

Have a real deal cam grinder/engine builder cut you one to the exact driving (street strip, s o m e drag & mostly highway interstate or pure 10 mile radius ricky racer) habit you are going to do. Be honest with yourself.......a roller in the budget. What would Sammy Satire do?

 

I'd guess a hyd roller in the lower 500's lift wise and duration @50 around low 230's...I've had really good luck with Bullet racing cams

 

Another off the shelf guess...it worked in a 355 and a 406...so your in there somewhere....haha crane 518/536 282/288...

 

I have a .555 max lift with 1.5 rockers, so approximately .523 with current rockers.

 

Engine builders use them everyday because they Work--not ***y but a 230 at 050 480 lift hyd would be excellent and Cheap--Herberts has them on the shelf for $139 cam and lifters --in that CI in that situation they are Perfect! Leave the fancy stuff to others--spend $139 and have exactly what has worked for ages!! It will sound fantastic and melt rubber until you let up on the pedal--great vacuum etc
377 is usually built as high winding raise hell engine but in your case it is just a 350 with a NICE overbore--Trust me--the custom stuff is just over paying for your combo. I build and dyno engines every single day --cams are sticks with knots on them --keep to the basic principles and they all work pretty darn well. Hyd rollers are the best if you have a factory roller block and can use stock CHEAP roller lifters otherwise you pay out the Ying Yang for retro rollers --just ain't worth it in a budget build--
BTW if you do retro make sure they are Morels NOT Johnsons--Johnsons rollers stick the plungers all the time and create havoc--all brands you buy are one of those two in disguise .

 

Mr Crash,,Please go to the top of the Introduction page and read Ryans guidelines for the HAMB. we do NOT do muscle cars here...nice try to slip that in...

 

Really ? It's an engine question.
Need a hug? Coffee maybe?

 

OP never said what it was in, someone else asked.

 

I agree 100% with 'dusterdave' and add one thing he left out: get rid of the 1.6 rockers and get some 1.5's. I wouldn't do a 'roller', keep it all basic old school mechanical. One thing that is hurting you is the short connecting rod (5.5"), you put any kind of big cam with your cars' weight and it'll be a pig at low end. 'dusterdave' is speaking of the 286H cam, I'd even consider smaller like the 298H with .466 lift.

 

You will get a hundred different answers about cams on any blog/thread you put up, I have the same combo except for the heads (69 Z-28 2.02) and I'm running a 4 speed in my 57 Chevy. This cam works great for me. Ad is from Summit

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Hug.. coffee... I'm personally holding out for a hot ****erscotch enema....

 

Call Comp Cams .

 

Sicko- that's gonna make a mess

 

350/350 Chevy cam....450/460 with 320 duration...great street / strip cam

 

My rods are 7.75"

 

I spent most of yesterday and all of last night (insomnia is sometimes helpful) reading up on everything and going through hundreds of cams.

I found a Lunati cam with an operating range of 1800-6200 with 227/233 (268/276 Adv) duration and 489/504 lift. I feel that (paired with a 2200-2600 stall) should provide me with what I'm looking for.

To those I've offended by my engine being in a muscle car, I apologize....though I got more response to this post than any regarding my Merc.

 

well, yea but 3.73s with a 26" tire? This question smells like performance...Now if you need advice on which gl***pack will rap the best on your 6 cyl. moredoor...

 

get a poser, uh I mean thumper cam.

What you are describing is just your basic claimer motor like the short track guys around here used to build when 400 blocks were still plentiful around here. Your bore to stroke ratio lends itself better to revving then to cruising. I could suggest a cam but you wouldn't listen and the real "experts" would shoot it down anyway. Call your favorite cam manufacturer and tell him what you got and what you want it to do and let them suggest a cam for you.

 

Better check that again.

 

5.565 stock shortest rods in the small block lineup stock. I don't think I have ever heard of anyone putting a 7" rod in an SBC, 6" maybe and a 7.75 is a stretch no pun intended.





Uh that's a pushrod not a rod this is a rod: