Will this 502 fit my truck

[Supercharged111]

You make 3, skunks.

 

[run96k3500]

I went with a factory engine, with the warranty..Love it

Factory 454? What size Whipple is that? 2.3L?


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[Flying Skunks]

No , factory GM 502 . And yes it's a 2.3 with the larger pulley ..Love it

 

[Supercharged111]

No , factory GM 502 . And yes it's a 2.3 with the larger pulley ..Love it

You mean smaller pulley? I have a 3" on mine, but am planning to go down to a 2.75" after I get some shorty headers and 3" headpipes. As it is it pulls my camper and trailer in OD, so not in a huge rush for that just yet.

 

[Flying Skunks]

You make 3, skunks.

?
3 people have replaced the 454 with a 502 ?

 

[Supercharged111]

?
3 people have replaced the 454 with a 502 ?

Maybe? I was referring to there being 3 Whippled Vortec 454s on this site. There was another but he took his blower off. . . to put on his other truck. So I guess that makes 4.

 

[Flying Skunks]

I only tow in OD ..it really like it around 85mph , and only pulls .03lbs of boost climbing the hills in SC . I had a small (2.75") pulley on it , but went Larger for all the trips I just finished. Just finished a 6300 mile trip towing my trailer

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[Supercharged111]

So you lowered the boost? Seems backwards unless you're trying to lower IATs? Sweet setup. I've actually always towed in OD even before the blower. For some reason, the truck was willing to do it most of the time. Now with the blower there's pretty much no downshifting at all and I can tow at 80 instead of 65. I no longer envy diesel torque, just their fuel range. Certainly not their repair bills. I love seeing these old trucks do more than haul a load of dirt in the bed.

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[Flying Skunks]

Yeah , I wish we had a larger tank . My Suburban has a 32 gallon tank , wish my Tow Pig did . I generally run the larger pulley on long trips , keepingvtemos down . Then change back when I get home . That way I do not want to push the right pedal to much ..lol

 

[L29Sub]

Grab a set of Vortec intake manifold gaskets and drop two bolts in them on the heads. That'll give you a good idea of match. Or not. If you plan to use your stock FI, the valve covers must be low profile. Any valve cover will fit into the truck. These are big covers. Covering adjustable roller rockers. These valve covers will not work on 96-99 Vortec with stock FI.

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