Good street 383 stroker kit for L98 !!! - LS1TECH - Camaro and Firebird Forum Discussion



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Good street 383 stroker kit for L98 !!!

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Old 08-06-2017, 01:43 AM   #1
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Default Good street 383 stroker kit for L98 !!!

im gonna be getting either a vette or a trans am with the L98 and im gonna be planning on stroking it out to a 383 ... my budget is 2 to 3 grand .. i need help choosing the correct parts and such so please send some links.. also id prefer to be around 400 to the wheels ..
thanks
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Old 08-06-2017, 11:54 PM   #2
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Default Sbc 383

Hi Joe, the thread BELOW "speedmaster 383" IS WHAT you STATE.

The cost of the rotating assembly was $1850.00 ish.

THUS, what is your purpose ?

Lance
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Old 08-07-2017, 12:27 PM   #3
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Hi Joe, the thread BELOW "speedmaster 383" IS WHAT you STATE.

The cost of the rotating assembly was $1850.00 ish.

THUS, what is your purpose ?

Lance
My purpose is 400 to the wheels.... im planning on pulling a motor and building it ... I have a total of 6-6500 K to spend ... in total.. meaning i can find a car for about 3500 to 4 grand to build off of and 2 - 3 grand in parts. im doing the work myself . Originally i was thinking the LT1 motor or the L98 .. i came down to either stroking out an L98 or porting heads and putting a cam in an LT1 but i need a MINIMUM of 400 to the wheels.... i honestly dont know what to do
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Old 08-08-2017, 07:16 AM   #4
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For your budget and 400hp, I would just find a car with a decent 350 and throw some money at the L98. Mine put down 400 with AFR heads, cam and an Air Gap with a 750 carb. Take the stroker kit money and invest in good heads!

Last edited by pancherj; 08-08-2017 at 07:17 AM. Reason: Poor Spelling!
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Old 08-08-2017, 11:48 AM   #5
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I hope yo find a perfect car. Because to plan on buying a car, then building the motor. Sounds like a Dream IMO. Your'e gonna need things like- Radiator, suspension, Tranny, stall, rear, exhaust. Whatever the car itself needs. If a 3rdgen it need Subframe connectors. You should start by buying a car you like. Getting it running 100%properly. Maintaining it. Then after its looking and running good. Then think about performance upgrades. You're plan really makes no sense. Because chances are, if you're buying a 2-4K car. It's gonna need alot of work. What I mentioned earlier. Prob some body work, paint, interior. The list is endless. Just buy a car. Start with that.
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Old 08-08-2017, 04:13 PM   #6
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Originally Posted by pancherj View Post
For your budget and 400hp, I would just find a car with a decent 350 and throw some money at the L98. Mine put down 400 with AFR heads, cam and an Air Gap with a 750 carb. Take the stroker kit money and invest in good heads!
could u send me links to a set of heads,cam and carb swap for the L98 that would work good together ? Thanks
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Old 08-08-2017, 06:29 PM   #7
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I had old AFR 190 heads and a thin head gasket (10.5:1 compression) a 236/242 roller cam on a 109LSA, air gap intake, mighty demon 750, super comp headers. Peak power at 6500 and shift at 7000. Also used 4.10 gears in the stock rear and a 4000 converter in a relatively stock 700R4. [email protected] at sea level.

For the cam, get in touch with Mike Jones at Jones racing cams. Best in the business!!
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Old 08-08-2017, 08:32 PM   #8
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Quote:
Originally Posted by pancherj View Post
I had old AFR 190 heads and a thin head gasket (10.5:1 compression) a 236/242 roller cam on a 109LSA, air gap intake, mighty demon 750, super comp headers. Peak power at 6500 and shift at 7000. Also used 4.10 gears in the stock rear and a 4000 converter in a relatively stock 700R4. [email protected] at sea level.

For the cam, get in touch with Mike Jones at Jones racing cams. Best in the business!!
I usually associate L98 with TPI. Take the TPI off and what is left? A SBC.
400 rwhp on a TPI takes a lot of money. Better off putting a carb intake
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Old 08-08-2017, 10:43 PM   #9
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Quote:
Originally Posted by pancherj View Post
I had old AFR 190 heads and a thin head gasket (10.5:1 compression) a 236/242 roller cam on a 109LSA, air gap intake, mighty demon 750, super comp headers. Peak power at 6500 and shift at 7000. Also used 4.10 gears in the stock rear and a 4000 converter in a relatively stock 700R4. [email protected] at sea level.

For the cam, get in touch with Mike Jones at Jones racing cams. Best in the business!!
Could i use these parts with the stock L98 intake? or would i need to port or use an LT1 intake...?
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Old 08-09-2017, 07:31 AM   #10
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TPI intake will strangle it..but you could use it. I would go carburetor or Miniram setup. Mine made about the same power with the Miniram and the carb.
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Old 08-13-2017, 12:26 PM   #11
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Default TPI Large Runners

Hi Joe, I too KNOW the OEM TPI intake runners are VERY small, great Torque/low HP.

I have purchased OVER SIZE Intake Runners for TPI manifolds. (some porting required)

When you fit these you will more than meet you goal, cost is lower.

Lance, BTW I will order these for your needs if you ask ?
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Old 08-13-2017, 03:40 PM   #12
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Holley Stealth Ram (HSR) is the way to go for you're needs. AFR 195's would be perfect with the right cam.. All this has been done 100.000.000 times on Thirdgen.org. A bizillion L98 builds there. Go there for some tried n true recipes for you're build.
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Old 09-03-2017, 09:41 AM   #13
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You'll want a cam with a little more lsa then mine but here's my 91 firebird motor. My short block is different but for what you're doing I'd just get an eagle kit with cast crank, I beams, and hyper pistons. My cam is an comp xe274h flat tappet afr 195 eliminators with 75 cc Chambers. Performer rpm intake and 780 cfm carb. You'll probably want something like a stealth ram. Any way my compression is like 9.3 to one and the car has gone 11.42 @ 118mph
Just a good base line for what you want. Good heads and can go a long ways.
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