I have a set of 292 turbo heads they have stainless valves three angle valve job ported and polised angle sparkplugs and three spring valves wanting to know I have a four bolt stock 350 what cam do I

Asked by May 29, 2015 at 11:03 PM about the 1989 Chevrolet S-10 STD Standard Cab SB

Question type: Car Customization

Need to run or do I have to find a cam with
matching springs I have a 700r trans all
rebuilt kevlar bands monster kit and a 3000
stall converter or do I run a 350 turbo ?

6 Answers

26,505

need more info....standard carb?.duel plane low intake? gears, how tall are the tires, header size. THE GUIDE CUT !! .AND MOST IMPORTANT- WHAT DO YOU WANT IT TO DO..PULL HARD OR RPM??

I have a holley single plane and 750 carter purchasing a Richmond 373 posi and these heads have lots of work they were on a 283 nitros motor the tires are 235/55r15 in rear fronts are 195/65r14 headers are headmen hears 1 1/4 because is a s10 1989 for clearance I want a lopy sound with power and go hyway miles that why I figured gi with this beffy 700r trans

26,505

OK...I THINK YOU HAVE THE POWER PACK HEADS...ANY WAY THE 283 PUNCHED OUT TO A 292 WITH 10 TO 1 COMP IS/WAS THE 1 0F 2 FASTEST MOTERS IVE EVER RUN AND IVE RUN A FEW..NOW I RUN 8.90S ON THE STREET WITH A BIG BLOCK OK A 496CI..13.5 TO 1 BUT HAVE EVERTHING SET UP JUST RIGHT TO WHERE I CAN RUN 92..IF I DONT GET ON IT... ****CALL UP HERBERT CAMS AND ASK THEM FOR A 30-30 GRIND FOR THE 350..THEY WILL ADJUST FOR YOUR COMPRESSION..AND RUN A SOID GRIND OR YOU WISH YOU HAD DOWN THE ROAD...WITH TODAYS ROLLER ROCKERS AND STUD GIRDLES...YOU CAN GET AWAY FROM ADJUSTING THEM ALL THE TIME...WHEN YOU DO ITS EASY EOIC TO ADJ...

26,505

PS..WHEN YOUR DONE ILL SEND YOU THE DIST.CURVE ..ALSO TRY TO FIND OUT IF THE HEADS HAVE BEEN MILLED???/OR CHECK YOUR EXH VALE CLEARANCE WITH SOME CLAY AND SEE WHAT YOU HAVE..TIME TO HAVE SOME FUN AND ITS REALLY EASY AND INEXPENSIVE TO DO THESE THINGS..

1,565

It depends what you will do with this S-10? Drag race I guess? Quick rev's are desirible then. A 30-30 grind is good and a high rev cam. Roller rockers & roller lifters will help. I like Crane Cams. Consult them, tell them what you have, engine, compression, valve spring lbs. per sq. in., car & weight, tires, etc. It might be better to match a new cam with a recomended kit. Springs, roller lifters, push rods,& guide plates, roller rockers, poly locks, etc.

26,505

hi james.. everyone has the favorites... you added - car weight,spring pressure yes all important... i said herbert because chet herbert...now passed .was the go to guy for the small blocks.now his son doug is..chet also made the first roller cams..but this is not the reason for my reply.. im adding a link >https://www.lunatipower.com/Category.aspx?id=58......................... in closing to chevysbguy..run the 700r.. your compression is the key here....heres an idea...Product Description These cams produce excellent power in mild to higher performance street and strip applications when moderate engine modifications have been made with proper gearing. Solid Flat Tappet Cam. Excellent street/strip cam which will work as daily driver, very responsive. Needs 2400 RPM stall converter, head- ers, 10:1 compression ratio and 3.55+ or gearing. Fair idle. Advertised Duration (Int/Exh): 272/282 Duration @ .050 (Int/Exh): 238/248 Gross Valve Lift (Int/Exh): .485/.503 LSA/ICL: 112/108 Valve Lash (Int/Exh): Hyd/Hyd RPM Range: 2000-6500 Includes: Cam & Lifters (#70992-16) Part Number: 30120523LK Previous Part Number: 401A3LK

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