Holley Street Avenger System for ZZ4
03-03-2002, 01:56 PM
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Car: 1986 IROC-Z
Holley Street Avenger System for ZZ4
I'm putting together a tenative plan for my IROC engine swap this summer. There's a good chance that I'll be going with a ZZ4. I was looking at Holley's "Street Avenger System" for Chevrolet crate engines... seems like they have everything that I would need to complete the engine. Would it be a good idea to get everything Holley? There's probably stuff out there that's better than what they offer, but it just seems easier when everything I need to get is laid out in front of me.
Holley Street Avenger System
Holley Street Avenger System
03-07-2002, 09:04 AM
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Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
How much of the "system" are you talking about?
The ZZ4 engine comes with intake & distributor, good pieces. You certainly aren't talking about their heads, are you? Or cam?
I assume you are thinking of converting from TPI to carb (although that isn't necessary - a Big Mouth, siamesed runner, ported plenum ZZ4 TPI can be a mean combo). About all you'll need convert to carb with the ZZ4 is a carb - get a Demon 650 or 750, better than the Holley. Do you already have headers? They sell Hookers. SLP would probably be better, though.
The Avenger system assumes you have a 350 that you want to improve. You're looking at an improved 350 that you want to complete. I don't think the Avenger system has much to offer you. If you were just getting the ZZ4 shortblock, that might be a different story.
(A '67 SS-396 with 11k miles? Really? Wow!)
The ZZ4 engine comes with intake & distributor, good pieces. You certainly aren't talking about their heads, are you? Or cam?
I assume you are thinking of converting from TPI to carb (although that isn't necessary - a Big Mouth, siamesed runner, ported plenum ZZ4 TPI can be a mean combo). About all you'll need convert to carb with the ZZ4 is a carb - get a Demon 650 or 750, better than the Holley. Do you already have headers? They sell Hookers. SLP would probably be better, though.
The Avenger system assumes you have a 350 that you want to improve. You're looking at an improved 350 that you want to complete. I don't think the Avenger system has much to offer you. If you were just getting the ZZ4 shortblock, that might be a different story.
(A '67 SS-396 with 11k miles? Really? Wow!)
03-07-2002, 02:47 PM
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Car: 1986 IROC-Z
Thanks for clearing that up, five7kid. I'm pretty much set on going carb, so I'll probably take a look at the Demon carbs like you suggested. I am still not sure if I want to go with Hooker or SLP headers, but I'm leaning towards the SLPs.
Yep, the '67 has real low mileage. Wouldn't be too valuable to a true collector though... it's got performance parts for drag racing. The thing used to run in the mid 10s back in the 70s...
Yep, the '67 has real low mileage. Wouldn't be too valuable to a true collector though... it's got performance parts for drag racing. The thing used to run in the mid 10s back in the 70s...
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