383 stroker swap. any help/walkthroughs muchly appreciated!

[foxrider251]

hey guys as the title says im gonna be swapping in a 383 stroker into my kon. im gonna reuse my vortec heads on the 383 block and try to keep it as simple as possible. any tips or hints would be very helpful as im getting ready to begin this project soonish

 

[retorq]

Step 1. Remove old engine
Step 2. Remove heads from engine
Step 3. Install old heads on new engine
Step 4. Install new engine.

 

[foxrider251]

yes thanks ive got that far on my own lol what im puzzled about is the fuel delivery? i dont think that stock spider assembly will put out enough when a guy starts laying into the throttle. it might be okay in the lower rpms

 

[ezdaar]

could slip a nitrous plate in to comp the fuel as needed.

 

[foxrider251]

this might be a stupid question but whats a nitrous plate?

 

[SunlitComet]

i would inspect your head and get them cleaned up before reusing them. and as i said in "a second thread" of yours on the same subject the fuel system will work just fine but a retuning of the pcm to accommodate the 383 will help to. it would still work with out a retune tho.

 

[Ceejkay]

yeah the spider will be fine. but get those heads checked.

 

[ezdaar]

Have the pushrod holes elongated and screw in studs installed while the heads are off.

 

[retorq]

While you are at it have a real cam and matching valve springs installed too. /

 

[SunlitComet]

head modifications are not needed unless you intended to seriously modify the cam profile instead of just boring and stroking. you can have some comp cams camshafts that are computer compatible that can even accommodate roller tip rockers 1.52 rockers with no need to modify heads at all. just elogating holes and adding scew in studs by themselves now is just a waist of money. you will not need it and with even the minor changes i mentioned above it is not required.